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menu__list-item--collapsed"><div class=menu__list-item-collapsible><a class="categoryLink_byQd menu__link menu__link--sublist menu__link--sublist-caret" role=button aria-expanded=false href=/zh-CN/docs/row-format/><span title=行格式 class=categoryLinkLabel_W154>行格式</span></a></div><li class="theme-doc-sidebar-item-category theme-doc-sidebar-item-category-level-1 menu__list-item menu__list-item--collapsed"><div class=menu__list-item-collapsible><a class="categoryLink_byQd menu__link menu__link--sublist menu__link--sublist-caret" role=button aria-expanded=false href=/zh-CN/docs/json/><span title="Fory JSON" class=categoryLinkLabel_W154>Fory JSON</span></a></div><li class="theme-doc-sidebar-item-category theme-doc-sidebar-item-category-level-1 menu__list-item menu__list-item--collapsed"><div class=menu__list-item-collapsible><a class="categoryLink_byQd menu__link menu__link--sublist menu__link--sublist-caret" role=button aria-expanded=false href=/zh-CN/docs/compiler/><span title="Fory IDL 与编译器" class=categoryLinkLabel_W154>Fory IDL 与编译器</span></a></div><li class="theme-doc-sidebar-item-category theme-doc-sidebar-item-category-level-1 menu__list-item menu__list-item--collapsed"><div class=menu__list-item-collapsible><a class="categoryLink_byQd menu__link menu__link--sublist menu__link--sublist-caret" role=button aria-expanded=false href=/zh-CN/docs/grpc/><span title="Fory gRPC" class=categoryLinkLabel_W154>Fory gRPC</span></a></div><li class="theme-doc-sidebar-item-category theme-doc-sidebar-item-category-level-1 menu__list-item menu__list-item--collapsed"><div class=menu__list-item-collapsible><a class="categoryLink_byQd menu__link menu__link--sublist menu__link--sublist-caret" role=button aria-expanded=false href=/zh-CN/docs/development/><span title=开发 class=categoryLinkLabel_W154>开发</span></a></div></ul></nav></div></div></aside><main class=docMainContainer_TBSr><div class="container padding-top--md padding-bottom--lg"><div class=row><div class="col docItemCol_VOVn"><div class=docItemContainer_Djhp><article><nav class="theme-doc-breadcrumbs breadcrumbsContainer_Z_bl" aria-label=页面路径><ul class=breadcrumbs><li class=breadcrumbs__item><a aria-label=主页面 class=breadcrumbs__link href=/zh-CN/><svg viewBox="0 0 24 24" class=breadcrumbHomeIcon_YNFT><path d="M10 19v-5h4v5c0 .55.45 1 1 1h3c.55 0 1-.45 1-1v-7h1.7c.46 0 .68-.57.33-.87L12.67 3.6c-.38-.34-.96-.34-1.34 0l-8.36 7.53c-.34.3-.13.87.33.87H5v7c0 .55.45 1 1 1h3c.55 0 1-.45 1-1z" fill=currentColor /></svg></a><li class=breadcrumbs__item><span class=breadcrumbs__link>对象序列化</span><li class=breadcrumbs__item><a class=breadcrumbs__link href=/zh-CN/docs/object-serialization/cpp/><span>C++</span></a><li class="breadcrumbs__item breadcrumbs__item--active"><span class=breadcrumbs__link>基础序列化</span></ul></nav><span class="theme-doc-version-badge badge badge--secondary">版本：1.6.0</span><div class="tocCollapsible_ETCw theme-doc-toc-mobile tocMobile_ITEo"><button type=button class="clean-btn tocCollapsibleButton_TO0P">本页总览</button></div><div class="theme-doc-markdown markdown"><header><h1>基础序列化</h1></header><p>本文介绍 Fory C++ 默认 xlang 模式下的基本对象图序列化和核心序列化 API。</p> |
| <h2 class="anchor anchorTargetStickyNavbar_Vzrq" id=对象图序列化>对象图序列化<a href=#对象图序列化 class=hash-link aria-label=对象图序列化的直接链接 title=对象图序列化的直接链接 translate=no></a></h2> |
| <p>Apache Fory™ 可自动序列化复杂对象图，并保留对象之间的结构和关系。<code>FORY_STRUCT</code> 宏在编译期生成高效序列化代码，从而消除反射开销。</p> |
| <p><strong>主要能力：</strong></p> |
| <ul> |
| <li class="">任意深度的嵌套结构体序列化</li> |
| <li class="">集合类型（vector、set、map）</li> |
| <li class="">使用 <code>std::optional<T></code> 的可选字段</li> |
| <li class="">智能指针（<code>std::shared_ptr</code>、<code>std::unique_ptr</code>）</li> |
| <li class="">自动处理原始类型和字符串</li> |
| <li class="">使用变长整数的高效二进制编码</li> |
| </ul> |
| <div class="language-cpp codeBlockContainer_Ckt0 theme-code-block" style=--prism-color:#393A34;--prism-background-color:#f6f8fa><div class=codeBlockContent_QJqH><pre tabindex=0 class="prism-code language-cpp codeBlock_bY9V thin-scrollbar" style=color:#393A34;background-color:#f6f8fa><code class=codeBlockLines_e6Vv><div class=token-line style=color:#393A34><span class="token macro property directive-hash" style=color:#36acaa>#</span><span class="token macro property directive keyword" style=color:#00009f>include</span><span class="token macro property" style=color:#36acaa> </span><span class="token macro property string" style=color:#e3116c>"fory/serialization/fory.h"</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"></span><span class="token macro property directive-hash" style=color:#36acaa>#</span><span class="token macro property directive keyword" style=color:#00009f>include</span><span class="token macro property" style=color:#36acaa> </span><span class="token macro property string" style=color:#e3116c><vector></span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"></span><span class="token macro property directive-hash" style=color:#36acaa>#</span><span class="token macro property directive keyword" style=color:#00009f>include</span><span class="token macro property" style=color:#36acaa> </span><span class="token macro property string" style=color:#e3116c><map></span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain" style=display:inline-block></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"></span><span class="token keyword" style=color:#00009f>using</span><span class="token plain"> </span><span class="token keyword" style=color:#00009f>namespace</span><span class="token plain"> fory</span><span class="token double-colon punctuation" style=color:#393A34>::</span><span class="token plain">serialization</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain" style=display:inline-block></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"></span><span class="token comment" style=color:#999988;font-style:italic>// Define structs</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"></span><span class="token keyword" style=color:#00009f>struct</span><span class="token plain"> </span><span class="token class-name">Address</span><span class="token plain"> </span><span class="token punctuation" style=color:#393A34>{</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> std</span><span class="token double-colon punctuation" style=color:#393A34>::</span><span class="token plain">string street</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> std</span><span class="token double-colon punctuation" style=color:#393A34>::</span><span class="token plain">string city</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> std</span><span class="token double-colon punctuation" style=color:#393A34>::</span><span class="token plain">string country</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain" style=display:inline-block></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token keyword" style=color:#00009f>bool</span><span class="token plain"> </span><span class="token keyword" style=color:#00009f>operator</span><span class="token operator" style=color:#393A34>==</span><span class="token punctuation" style=color:#393A34>(</span><span class="token keyword" style=color:#00009f>const</span><span class="token plain"> Address </span><span class="token operator" style=color:#393A34>&</span><span class="token plain">other</span><span class="token punctuation" style=color:#393A34>)</span><span class="token plain"> </span><span class="token keyword" style=color:#00009f>const</span><span class="token plain"> </span><span class="token punctuation" style=color:#393A34>{</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token keyword" style=color:#00009f>return</span><span class="token plain"> street </span><span class="token operator" style=color:#393A34>==</span><span class="token plain"> other</span><span class="token punctuation" style=color:#393A34>.</span><span class="token plain">street </span><span class="token operator" style=color:#393A34>&&</span><span class="token plain"> city </span><span class="token operator" style=color:#393A34>==</span><span class="token plain"> other</span><span class="token punctuation" style=color:#393A34>.</span><span class="token plain">city </span><span class="token operator" style=color:#393A34>&&</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> country </span><span class="token operator" style=color:#393A34>==</span><span class="token plain"> other</span><span class="token punctuation" style=color:#393A34>.</span><span class="token plain">country</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token punctuation" style=color:#393A34>}</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"></span><span class="token punctuation" style=color:#393A34>}</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"></span><span class="token function" style=color:#d73a49>FORY_STRUCT</span><span class="token punctuation" style=color:#393A34>(</span><span class="token plain">Address</span><span class="token punctuation" style=color:#393A34>,</span><span class="token plain"> street</span><span class="token punctuation" style=color:#393A34>,</span><span class="token plain"> city</span><span class="token punctuation" style=color:#393A34>,</span><span class="token plain"> country</span><span class="token punctuation" style=color:#393A34>)</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain" style=display:inline-block></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"></span><span class="token keyword" style=color:#00009f>struct</span><span class="token plain"> </span><span class="token class-name">Person</span><span class="token plain"> </span><span class="token punctuation" style=color:#393A34>{</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> std</span><span class="token double-colon punctuation" style=color:#393A34>::</span><span class="token plain">string name</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token keyword" style=color:#00009f>int32_t</span><span class="token plain"> age</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> Address address</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> std</span><span class="token double-colon punctuation" style=color:#393A34>::</span><span class="token plain">vector</span><span class="token operator" style=color:#393A34><</span><span class="token plain">std</span><span class="token double-colon punctuation" style=color:#393A34>::</span><span class="token plain">string</span><span class="token operator" style=color:#393A34>></span><span class="token plain"> hobbies</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> std</span><span class="token double-colon punctuation" style=color:#393A34>::</span><span class="token plain">map</span><span class="token operator" style=color:#393A34><</span><span class="token plain">std</span><span class="token double-colon punctuation" style=color:#393A34>::</span><span class="token plain">string</span><span class="token punctuation" style=color:#393A34>,</span><span class="token plain"> std</span><span class="token double-colon punctuation" style=color:#393A34>::</span><span class="token plain">string</span><span class="token operator" style=color:#393A34>></span><span class="token plain"> metadata</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain" style=display:inline-block></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token keyword" style=color:#00009f>bool</span><span class="token plain"> </span><span class="token keyword" style=color:#00009f>operator</span><span class="token operator" style=color:#393A34>==</span><span class="token punctuation" style=color:#393A34>(</span><span class="token keyword" style=color:#00009f>const</span><span class="token plain"> Person </span><span class="token operator" style=color:#393A34>&</span><span class="token plain">other</span><span class="token punctuation" style=color:#393A34>)</span><span class="token plain"> </span><span class="token keyword" style=color:#00009f>const</span><span class="token plain"> </span><span class="token punctuation" style=color:#393A34>{</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token keyword" style=color:#00009f>return</span><span class="token plain"> name </span><span class="token operator" style=color:#393A34>==</span><span class="token plain"> other</span><span class="token punctuation" style=color:#393A34>.</span><span class="token plain">name </span><span class="token operator" style=color:#393A34>&&</span><span class="token plain"> age </span><span class="token operator" style=color:#393A34>==</span><span class="token plain"> other</span><span class="token punctuation" style=color:#393A34>.</span><span class="token plain">age </span><span class="token operator" style=color:#393A34>&&</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> address </span><span class="token operator" style=color:#393A34>==</span><span class="token plain"> other</span><span class="token punctuation" style=color:#393A34>.</span><span class="token plain">address </span><span class="token operator" style=color:#393A34>&&</span><span class="token plain"> hobbies </span><span class="token operator" style=color:#393A34>==</span><span class="token plain"> other</span><span class="token punctuation" style=color:#393A34>.</span><span class="token plain">hobbies </span><span class="token operator" style=color:#393A34>&&</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> metadata </span><span class="token operator" style=color:#393A34>==</span><span class="token plain"> other</span><span class="token punctuation" style=color:#393A34>.</span><span class="token plain">metadata</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token punctuation" style=color:#393A34>}</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"></span><span class="token punctuation" style=color:#393A34>}</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"></span><span class="token function" style=color:#d73a49>FORY_STRUCT</span><span class="token punctuation" style=color:#393A34>(</span><span class="token plain">Person</span><span class="token punctuation" style=color:#393A34>,</span><span class="token plain"> name</span><span class="token punctuation" style=color:#393A34>,</span><span class="token plain"> age</span><span class="token punctuation" style=color:#393A34>,</span><span class="token plain"> address</span><span class="token punctuation" style=color:#393A34>,</span><span class="token plain"> hobbies</span><span class="token punctuation" style=color:#393A34>,</span><span class="token plain"> metadata</span><span class="token punctuation" style=color:#393A34>)</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain" style=display:inline-block></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"></span><span class="token keyword" style=color:#00009f>int</span><span class="token plain"> </span><span class="token function" style=color:#d73a49>main</span><span class="token punctuation" style=color:#393A34>(</span><span class="token punctuation" style=color:#393A34>)</span><span class="token plain"> </span><span class="token punctuation" style=color:#393A34>{</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token keyword" style=color:#00009f>auto</span><span class="token plain"> fory </span><span class="token operator" style=color:#393A34>=</span><span class="token plain"> </span><span class="token class-name">Fory</span><span class="token double-colon punctuation" style=color:#393A34>::</span><span class="token function" style=color:#d73a49>builder</span><span class="token punctuation" style=color:#393A34>(</span><span class="token punctuation" style=color:#393A34>)</span><span class="token punctuation" style=color:#393A34>.</span><span class="token function" style=color:#d73a49>xlang</span><span class="token punctuation" style=color:#393A34>(</span><span class="token boolean" style=color:#36acaa>true</span><span class="token punctuation" style=color:#393A34>)</span><span class="token punctuation" style=color:#393A34>.</span><span class="token function" style=color:#d73a49>build</span><span class="token punctuation" style=color:#393A34>(</span><span class="token punctuation" style=color:#393A34>)</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> fory</span><span class="token punctuation" style=color:#393A34>.</span><span class="token generic-function function" style=color:#d73a49>register_struct</span><span class="token generic-function generic class-name operator" style=color:#393A34><</span><span class="token generic-function generic class-name">Address</span><span class="token generic-function generic class-name operator" style=color:#393A34>></span><span class="token punctuation" style=color:#393A34>(</span><span class="token number" style=color:#36acaa>100</span><span class="token punctuation" style=color:#393A34>)</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> fory</span><span class="token punctuation" style=color:#393A34>.</span><span class="token generic-function function" style=color:#d73a49>register_struct</span><span class="token generic-function generic class-name operator" style=color:#393A34><</span><span class="token generic-function generic class-name">Person</span><span class="token generic-function generic class-name operator" style=color:#393A34>></span><span class="token punctuation" style=color:#393A34>(</span><span class="token number" style=color:#36acaa>200</span><span class="token punctuation" style=color:#393A34>)</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain" style=display:inline-block></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> Person person</span><span class="token punctuation" style=color:#393A34>{</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token string" style=color:#e3116c>"John Doe"</span><span class="token punctuation" style=color:#393A34>,</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token number" style=color:#36acaa>30</span><span class="token punctuation" style=color:#393A34>,</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token punctuation" style=color:#393A34>{</span><span class="token string" style=color:#e3116c>"123 Main St"</span><span class="token punctuation" style=color:#393A34>,</span><span class="token plain"> </span><span class="token string" style=color:#e3116c>"New York"</span><span class="token punctuation" style=color:#393A34>,</span><span class="token plain"> </span><span class="token string" style=color:#e3116c>"USA"</span><span class="token punctuation" style=color:#393A34>}</span><span class="token punctuation" style=color:#393A34>,</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token punctuation" style=color:#393A34>{</span><span class="token string" style=color:#e3116c>"reading"</span><span class="token punctuation" style=color:#393A34>,</span><span class="token plain"> </span><span class="token string" style=color:#e3116c>"coding"</span><span class="token punctuation" style=color:#393A34>}</span><span class="token punctuation" style=color:#393A34>,</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token punctuation" style=color:#393A34>{</span><span class="token punctuation" style=color:#393A34>{</span><span class="token string" style=color:#e3116c>"role"</span><span class="token punctuation" style=color:#393A34>,</span><span class="token plain"> </span><span class="token string" style=color:#e3116c>"developer"</span><span class="token punctuation" style=color:#393A34>}</span><span class="token punctuation" style=color:#393A34>}</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token punctuation" style=color:#393A34>}</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain" style=display:inline-block></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token keyword" style=color:#00009f>auto</span><span class="token plain"> result </span><span class="token operator" style=color:#393A34>=</span><span class="token plain"> fory</span><span class="token punctuation" style=color:#393A34>.</span><span class="token function" style=color:#d73a49>serialize</span><span class="token punctuation" style=color:#393A34>(</span><span class="token plain">person</span><span class="token punctuation" style=color:#393A34>)</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token keyword" style=color:#00009f>auto</span><span class="token plain"> decoded </span><span class="token operator" style=color:#393A34>=</span><span class="token plain"> fory</span><span class="token punctuation" style=color:#393A34>.</span><span class="token generic-function function" style=color:#d73a49>deserialize</span><span class="token generic-function generic class-name operator" style=color:#393A34><</span><span class="token generic-function generic class-name">Person</span><span class="token generic-function generic class-name operator" style=color:#393A34>></span><span class="token punctuation" style=color:#393A34>(</span><span class="token plain">result</span><span class="token punctuation" style=color:#393A34>.</span><span class="token function" style=color:#d73a49>value</span><span class="token punctuation" style=color:#393A34>(</span><span class="token punctuation" style=color:#393A34>)</span><span class="token punctuation" style=color:#393A34>)</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token function" style=color:#d73a49>assert</span><span class="token punctuation" style=color:#393A34>(</span><span class="token plain">person </span><span class="token operator" style=color:#393A34>==</span><span class="token plain"> decoded</span><span class="token punctuation" style=color:#393A34>.</span><span class="token function" style=color:#d73a49>value</span><span class="token punctuation" style=color:#393A34>(</span><span class="token punctuation" style=color:#393A34>)</span><span class="token punctuation" style=color:#393A34>)</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"></span><span class="token punctuation" style=color:#393A34>}</span><br/></div></code></pre></div></div> |
| <h2 class="anchor anchorTargetStickyNavbar_Vzrq" id=序列化-api>序列化 API<a href=#序列化-api class=hash-link aria-label="序列化 API的直接链接" title="序列化 API的直接链接" translate=no></a></h2> |
| <h3 class="anchor anchorTargetStickyNavbar_Vzrq" id=序列化到新-vector>序列化到新 Vector<a href=#序列化到新-vector class=hash-link aria-label="序列化到新 Vector的直接链接" title="序列化到新 Vector的直接链接" translate=no></a></h3> |
| <div class="language-cpp codeBlockContainer_Ckt0 theme-code-block" style=--prism-color:#393A34;--prism-background-color:#f6f8fa><div class=codeBlockContent_QJqH><pre tabindex=0 class="prism-code language-cpp codeBlock_bY9V thin-scrollbar" style=color:#393A34;background-color:#f6f8fa><code class=codeBlockLines_e6Vv><div class=token-line style=color:#393A34><span class="token keyword" style=color:#00009f>auto</span><span class="token plain"> fory </span><span class="token operator" style=color:#393A34>=</span><span class="token plain"> </span><span class="token class-name">Fory</span><span class="token double-colon punctuation" style=color:#393A34>::</span><span class="token function" style=color:#d73a49>builder</span><span class="token punctuation" style=color:#393A34>(</span><span class="token punctuation" style=color:#393A34>)</span><span class="token punctuation" style=color:#393A34>.</span><span class="token function" style=color:#d73a49>xlang</span><span class="token punctuation" style=color:#393A34>(</span><span class="token boolean" style=color:#36acaa>true</span><span class="token punctuation" style=color:#393A34>)</span><span class="token punctuation" style=color:#393A34>.</span><span class="token function" style=color:#d73a49>build</span><span class="token punctuation" style=color:#393A34>(</span><span class="token punctuation" style=color:#393A34>)</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain">fory</span><span class="token punctuation" style=color:#393A34>.</span><span class="token generic-function function" style=color:#d73a49>register_struct</span><span class="token generic-function generic class-name operator" style=color:#393A34><</span><span class="token generic-function generic class-name">MyStruct</span><span class="token generic-function generic class-name operator" style=color:#393A34>></span><span class="token punctuation" style=color:#393A34>(</span><span class="token number" style=color:#36acaa>1</span><span class="token punctuation" style=color:#393A34>)</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain" style=display:inline-block></span><br/></div><div class=token-line style=color:#393A34><span class="token plain">MyStruct obj</span><span class="token punctuation" style=color:#393A34>{</span><span class="token comment" style=color:#999988;font-style:italic>/* ... */</span><span class="token punctuation" style=color:#393A34>}</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain" style=display:inline-block></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"></span><span class="token comment" style=color:#999988;font-style:italic>// Serialize - returns Result<std::vector<uint8_t>, Error></span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"></span><span class="token keyword" style=color:#00009f>auto</span><span class="token plain"> result </span><span class="token operator" style=color:#393A34>=</span><span class="token plain"> fory</span><span class="token punctuation" style=color:#393A34>.</span><span class="token function" style=color:#d73a49>serialize</span><span class="token punctuation" style=color:#393A34>(</span><span class="token plain">obj</span><span class="token punctuation" style=color:#393A34>)</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"></span><span class="token keyword" style=color:#00009f>if</span><span class="token plain"> </span><span class="token punctuation" style=color:#393A34>(</span><span class="token plain">result</span><span class="token punctuation" style=color:#393A34>.</span><span class="token function" style=color:#d73a49>ok</span><span class="token punctuation" style=color:#393A34>(</span><span class="token punctuation" style=color:#393A34>)</span><span class="token punctuation" style=color:#393A34>)</span><span class="token plain"> </span><span class="token punctuation" style=color:#393A34>{</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> std</span><span class="token double-colon punctuation" style=color:#393A34>::</span><span class="token plain">vector</span><span class="token operator" style=color:#393A34><</span><span class="token keyword" style=color:#00009f>uint8_t</span><span class="token operator" style=color:#393A34>></span><span class="token plain"> bytes </span><span class="token operator" style=color:#393A34>=</span><span class="token plain"> std</span><span class="token double-colon punctuation" style=color:#393A34>::</span><span class="token function" style=color:#d73a49>move</span><span class="token punctuation" style=color:#393A34>(</span><span class="token plain">result</span><span class="token punctuation" style=color:#393A34>)</span><span class="token punctuation" style=color:#393A34>.</span><span class="token function" style=color:#d73a49>value</span><span class="token punctuation" style=color:#393A34>(</span><span class="token punctuation" style=color:#393A34>)</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token comment" style=color:#999988;font-style:italic>// Use bytes...</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"></span><span class="token punctuation" style=color:#393A34>}</span><span class="token plain"> </span><span class="token keyword" style=color:#00009f>else</span><span class="token plain"> </span><span class="token punctuation" style=color:#393A34>{</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token comment" style=color:#999988;font-style:italic>// Handle error</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> std</span><span class="token double-colon punctuation" style=color:#393A34>::</span><span class="token plain">cerr </span><span class="token operator" style=color:#393A34><<</span><span class="token plain"> result</span><span class="token punctuation" style=color:#393A34>.</span><span class="token function" style=color:#d73a49>error</span><span class="token punctuation" style=color:#393A34>(</span><span class="token punctuation" style=color:#393A34>)</span><span class="token punctuation" style=color:#393A34>.</span><span class="token function" style=color:#d73a49>to_string</span><span class="token punctuation" style=color:#393A34>(</span><span class="token punctuation" style=color:#393A34>)</span><span class="token plain"> </span><span class="token operator" style=color:#393A34><<</span><span class="token plain"> std</span><span class="token double-colon punctuation" style=color:#393A34>::</span><span class="token plain">endl</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"></span><span class="token punctuation" style=color:#393A34>}</span><br/></div></code></pre></div></div> |
| <h3 class="anchor anchorTargetStickyNavbar_Vzrq" id=序列化到现有缓冲区>序列化到现有缓冲区<a href=#序列化到现有缓冲区 class=hash-link aria-label=序列化到现有缓冲区的直接链接 title=序列化到现有缓冲区的直接链接 translate=no></a></h3> |
| <div class="language-cpp codeBlockContainer_Ckt0 theme-code-block" style=--prism-color:#393A34;--prism-background-color:#f6f8fa><div class=codeBlockContent_QJqH><pre tabindex=0 class="prism-code language-cpp codeBlock_bY9V thin-scrollbar" style=color:#393A34;background-color:#f6f8fa><code class=codeBlockLines_e6Vv><div class=token-line style=color:#393A34><span class="token comment" style=color:#999988;font-style:italic>// Serialize to existing Buffer (fastest path)</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain">Buffer buffer</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"></span><span class="token keyword" style=color:#00009f>auto</span><span class="token plain"> result </span><span class="token operator" style=color:#393A34>=</span><span class="token plain"> fory</span><span class="token punctuation" style=color:#393A34>.</span><span class="token function" style=color:#d73a49>serialize_to</span><span class="token punctuation" style=color:#393A34>(</span><span class="token plain">buffer</span><span class="token punctuation" style=color:#393A34>,</span><span class="token plain"> obj</span><span class="token punctuation" style=color:#393A34>)</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"></span><span class="token keyword" style=color:#00009f>if</span><span class="token plain"> </span><span class="token punctuation" style=color:#393A34>(</span><span class="token plain">result</span><span class="token punctuation" style=color:#393A34>.</span><span class="token function" style=color:#d73a49>ok</span><span class="token punctuation" style=color:#393A34>(</span><span class="token punctuation" style=color:#393A34>)</span><span class="token punctuation" style=color:#393A34>)</span><span class="token plain"> </span><span class="token punctuation" style=color:#393A34>{</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> size_t bytes_written </span><span class="token operator" style=color:#393A34>=</span><span class="token plain"> result</span><span class="token punctuation" style=color:#393A34>.</span><span class="token function" style=color:#d73a49>value</span><span class="token punctuation" style=color:#393A34>(</span><span class="token punctuation" style=color:#393A34>)</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token comment" style=color:#999988;font-style:italic>// buffer now contains serialized data</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"></span><span class="token punctuation" style=color:#393A34>}</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain" style=display:inline-block></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"></span><span class="token comment" style=color:#999988;font-style:italic>// Serialize to existing vector (zero-copy)</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain">std</span><span class="token double-colon punctuation" style=color:#393A34>::</span><span class="token plain">vector</span><span class="token operator" style=color:#393A34><</span><span class="token keyword" style=color:#00009f>uint8_t</span><span class="token operator" style=color:#393A34>></span><span class="token plain"> output</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"></span><span class="token keyword" style=color:#00009f>auto</span><span class="token plain"> result </span><span class="token operator" style=color:#393A34>=</span><span class="token plain"> fory</span><span class="token punctuation" style=color:#393A34>.</span><span class="token function" style=color:#d73a49>serialize_to</span><span class="token punctuation" style=color:#393A34>(</span><span class="token plain">output</span><span class="token punctuation" style=color:#393A34>,</span><span class="token plain"> obj</span><span class="token punctuation" style=color:#393A34>)</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"></span><span class="token keyword" style=color:#00009f>if</span><span class="token plain"> </span><span class="token punctuation" style=color:#393A34>(</span><span class="token plain">result</span><span class="token punctuation" style=color:#393A34>.</span><span class="token function" style=color:#d73a49>ok</span><span class="token punctuation" style=color:#393A34>(</span><span class="token punctuation" style=color:#393A34>)</span><span class="token punctuation" style=color:#393A34>)</span><span class="token plain"> </span><span class="token punctuation" style=color:#393A34>{</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> size_t bytes_written </span><span class="token operator" style=color:#393A34>=</span><span class="token plain"> result</span><span class="token punctuation" style=color:#393A34>.</span><span class="token function" style=color:#d73a49>value</span><span class="token punctuation" style=color:#393A34>(</span><span class="token punctuation" style=color:#393A34>)</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token comment" style=color:#999988;font-style:italic>// output now contains serialized data</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"></span><span class="token punctuation" style=color:#393A34>}</span><br/></div></code></pre></div></div> |
| <h3 class="anchor anchorTargetStickyNavbar_Vzrq" id=从字节数组反序列化>从字节数组反序列化<a href=#从字节数组反序列化 class=hash-link aria-label=从字节数组反序列化的直接链接 title=从字节数组反序列化的直接链接 translate=no></a></h3> |
| <div class="language-cpp codeBlockContainer_Ckt0 theme-code-block" style=--prism-color:#393A34;--prism-background-color:#f6f8fa><div class=codeBlockContent_QJqH><pre tabindex=0 class="prism-code language-cpp codeBlock_bY9V thin-scrollbar" style=color:#393A34;background-color:#f6f8fa><code class=codeBlockLines_e6Vv><div class=token-line style=color:#393A34><span class="token comment" style=color:#999988;font-style:italic>// Deserialize from raw pointer</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"></span><span class="token keyword" style=color:#00009f>auto</span><span class="token plain"> result </span><span class="token operator" style=color:#393A34>=</span><span class="token plain"> fory</span><span class="token punctuation" style=color:#393A34>.</span><span class="token generic-function function" style=color:#d73a49>deserialize</span><span class="token generic-function generic class-name operator" style=color:#393A34><</span><span class="token generic-function generic class-name">MyStruct</span><span class="token generic-function generic class-name operator" style=color:#393A34>></span><span class="token punctuation" style=color:#393A34>(</span><span class="token plain">data_ptr</span><span class="token punctuation" style=color:#393A34>,</span><span class="token plain"> data_size</span><span class="token punctuation" style=color:#393A34>)</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"></span><span class="token keyword" style=color:#00009f>if</span><span class="token plain"> </span><span class="token punctuation" style=color:#393A34>(</span><span class="token plain">result</span><span class="token punctuation" style=color:#393A34>.</span><span class="token function" style=color:#d73a49>ok</span><span class="token punctuation" style=color:#393A34>(</span><span class="token punctuation" style=color:#393A34>)</span><span class="token punctuation" style=color:#393A34>)</span><span class="token plain"> </span><span class="token punctuation" style=color:#393A34>{</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> MyStruct obj </span><span class="token operator" style=color:#393A34>=</span><span class="token plain"> std</span><span class="token double-colon punctuation" style=color:#393A34>::</span><span class="token function" style=color:#d73a49>move</span><span class="token punctuation" style=color:#393A34>(</span><span class="token plain">result</span><span class="token punctuation" style=color:#393A34>)</span><span class="token punctuation" style=color:#393A34>.</span><span class="token function" style=color:#d73a49>value</span><span class="token punctuation" style=color:#393A34>(</span><span class="token punctuation" style=color:#393A34>)</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"></span><span class="token punctuation" style=color:#393A34>}</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain" style=display:inline-block></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"></span><span class="token comment" style=color:#999988;font-style:italic>// Deserialize from vector</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain">std</span><span class="token double-colon punctuation" style=color:#393A34>::</span><span class="token plain">vector</span><span class="token operator" style=color:#393A34><</span><span class="token keyword" style=color:#00009f>uint8_t</span><span class="token operator" style=color:#393A34>></span><span class="token plain"> data </span><span class="token operator" style=color:#393A34>=</span><span class="token plain"> </span><span class="token comment" style=color:#999988;font-style:italic>/* ... */</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"></span><span class="token keyword" style=color:#00009f>auto</span><span class="token plain"> result </span><span class="token operator" style=color:#393A34>=</span><span class="token plain"> fory</span><span class="token punctuation" style=color:#393A34>.</span><span class="token generic-function function" style=color:#d73a49>deserialize</span><span class="token generic-function generic class-name operator" style=color:#393A34><</span><span class="token generic-function generic class-name">MyStruct</span><span class="token generic-function generic class-name operator" style=color:#393A34>></span><span class="token punctuation" style=color:#393A34>(</span><span class="token plain">data</span><span class="token punctuation" style=color:#393A34>)</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain" style=display:inline-block></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"></span><span class="token comment" style=color:#999988;font-style:italic>// Deserialize from Buffer (updates reader_index)</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain">Buffer </span><span class="token function" style=color:#d73a49>buffer</span><span class="token punctuation" style=color:#393A34>(</span><span class="token plain">data</span><span class="token punctuation" style=color:#393A34>)</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"></span><span class="token keyword" style=color:#00009f>auto</span><span class="token plain"> result </span><span class="token operator" style=color:#393A34>=</span><span class="token plain"> fory</span><span class="token punctuation" style=color:#393A34>.</span><span class="token generic-function function" style=color:#d73a49>deserialize</span><span class="token generic-function generic class-name operator" style=color:#393A34><</span><span class="token generic-function generic class-name">MyStruct</span><span class="token generic-function generic class-name operator" style=color:#393A34>></span><span class="token punctuation" style=color:#393A34>(</span><span class="token plain">buffer</span><span class="token punctuation" style=color:#393A34>)</span><span class="token punctuation" style=color:#393A34>;</span><br/></div></code></pre></div></div> |
| <h2 class="anchor anchorTargetStickyNavbar_Vzrq" id=错误处理>错误处理<a href=#错误处理 class=hash-link aria-label=错误处理的直接链接 title=错误处理的直接链接 translate=no></a></h2> |
| <p>Fory 使用 <code>Result<T, Error></code> 类型处理错误：</p> |
| <div class="language-cpp codeBlockContainer_Ckt0 theme-code-block" style=--prism-color:#393A34;--prism-background-color:#f6f8fa><div class=codeBlockContent_QJqH><pre tabindex=0 class="prism-code language-cpp codeBlock_bY9V thin-scrollbar" style=color:#393A34;background-color:#f6f8fa><code class=codeBlockLines_e6Vv><div class=token-line style=color:#393A34><span class="token keyword" style=color:#00009f>auto</span><span class="token plain"> result </span><span class="token operator" style=color:#393A34>=</span><span class="token plain"> fory</span><span class="token punctuation" style=color:#393A34>.</span><span class="token function" style=color:#d73a49>serialize</span><span class="token punctuation" style=color:#393A34>(</span><span class="token plain">obj</span><span class="token punctuation" style=color:#393A34>)</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain" style=display:inline-block></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"></span><span class="token comment" style=color:#999988;font-style:italic>// Check if operation succeeded</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"></span><span class="token keyword" style=color:#00009f>if</span><span class="token plain"> </span><span class="token punctuation" style=color:#393A34>(</span><span class="token plain">result</span><span class="token punctuation" style=color:#393A34>.</span><span class="token function" style=color:#d73a49>ok</span><span class="token punctuation" style=color:#393A34>(</span><span class="token punctuation" style=color:#393A34>)</span><span class="token punctuation" style=color:#393A34>)</span><span class="token plain"> </span><span class="token punctuation" style=color:#393A34>{</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token keyword" style=color:#00009f>auto</span><span class="token plain"> value </span><span class="token operator" style=color:#393A34>=</span><span class="token plain"> std</span><span class="token double-colon punctuation" style=color:#393A34>::</span><span class="token function" style=color:#d73a49>move</span><span class="token punctuation" style=color:#393A34>(</span><span class="token plain">result</span><span class="token punctuation" style=color:#393A34>)</span><span class="token punctuation" style=color:#393A34>.</span><span class="token function" style=color:#d73a49>value</span><span class="token punctuation" style=color:#393A34>(</span><span class="token punctuation" style=color:#393A34>)</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token comment" style=color:#999988;font-style:italic>// Use value...</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"></span><span class="token punctuation" style=color:#393A34>}</span><span class="token plain"> </span><span class="token keyword" style=color:#00009f>else</span><span class="token plain"> </span><span class="token punctuation" style=color:#393A34>{</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> Error error </span><span class="token operator" style=color:#393A34>=</span><span class="token plain"> result</span><span class="token punctuation" style=color:#393A34>.</span><span class="token function" style=color:#d73a49>error</span><span class="token punctuation" style=color:#393A34>(</span><span class="token punctuation" style=color:#393A34>)</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> std</span><span class="token double-colon punctuation" style=color:#393A34>::</span><span class="token plain">cerr </span><span class="token operator" style=color:#393A34><<</span><span class="token plain"> </span><span class="token string" style=color:#e3116c>"Error: "</span><span class="token plain"> </span><span class="token operator" style=color:#393A34><<</span><span class="token plain"> error</span><span class="token punctuation" style=color:#393A34>.</span><span class="token function" style=color:#d73a49>to_string</span><span class="token punctuation" style=color:#393A34>(</span><span class="token punctuation" style=color:#393A34>)</span><span class="token plain"> </span><span class="token operator" style=color:#393A34><<</span><span class="token plain"> std</span><span class="token double-colon punctuation" style=color:#393A34>::</span><span class="token plain">endl</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"></span><span class="token punctuation" style=color:#393A34>}</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain" style=display:inline-block></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"></span><span class="token comment" style=color:#999988;font-style:italic>// Or use FORY_TRY macro for early return</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"></span><span class="token function" style=color:#d73a49>FORY_TRY</span><span class="token punctuation" style=color:#393A34>(</span><span class="token plain">bytes</span><span class="token punctuation" style=color:#393A34>,</span><span class="token plain"> fory</span><span class="token punctuation" style=color:#393A34>.</span><span class="token function" style=color:#d73a49>serialize</span><span class="token punctuation" style=color:#393A34>(</span><span class="token plain">obj</span><span class="token punctuation" style=color:#393A34>)</span><span class="token punctuation" style=color:#393A34>)</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"></span><span class="token comment" style=color:#999988;font-style:italic>// Use bytes directly...</span><br/></div></code></pre></div></div> |
| <p>常见错误类型：</p> |
| <ul> |
| <li class=""><code>Error::type_mismatch</code> - 反序列化期间类型 ID 不匹配</li> |
| <li class=""><code>Error::invalid_data</code> - 数据无效或损坏</li> |
| <li class=""><code>Error::buffer_out_of_bound</code> - 缓冲区溢出或下溢</li> |
| <li class=""><code>Error::type_error</code> - 类型注册错误</li> |
| </ul> |
| <h2 class="anchor anchorTargetStickyNavbar_Vzrq" id=fory_struct-宏>FORY_STRUCT 宏<a href=#fory_struct-宏 class=hash-link aria-label="FORY_STRUCT 宏的直接链接" title="FORY_STRUCT 宏的直接链接" translate=no></a></h2> |
| <p><code>FORY_STRUCT</code> 宏注册用于序列化的类（结构体的用法相同）：</p> |
| <div class="language-cpp codeBlockContainer_Ckt0 theme-code-block" style=--prism-color:#393A34;--prism-background-color:#f6f8fa><div class=codeBlockContent_QJqH><pre tabindex=0 class="prism-code language-cpp codeBlock_bY9V thin-scrollbar" style=color:#393A34;background-color:#f6f8fa><code class=codeBlockLines_e6Vv><div class=token-line style=color:#393A34><span class="token keyword" style=color:#00009f>class</span><span class="token plain"> </span><span class="token class-name">MyStruct</span><span class="token plain"> </span><span class="token punctuation" style=color:#393A34>{</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"></span><span class="token keyword" style=color:#00009f>public</span><span class="token operator" style=color:#393A34>:</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token keyword" style=color:#00009f>int32_t</span><span class="token plain"> x</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> std</span><span class="token double-colon punctuation" style=color:#393A34>::</span><span class="token plain">string y</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> std</span><span class="token double-colon punctuation" style=color:#393A34>::</span><span class="token plain">vector</span><span class="token operator" style=color:#393A34><</span><span class="token keyword" style=color:#00009f>int32_t</span><span class="token operator" style=color:#393A34>></span><span class="token plain"> z</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token function" style=color:#d73a49>FORY_STRUCT</span><span class="token punctuation" style=color:#393A34>(</span><span class="token plain">MyStruct</span><span class="token punctuation" style=color:#393A34>,</span><span class="token plain"> x</span><span class="token punctuation" style=color:#393A34>,</span><span class="token plain"> y</span><span class="token punctuation" style=color:#393A34>,</span><span class="token plain"> z</span><span class="token punctuation" style=color:#393A34>)</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"></span><span class="token punctuation" style=color:#393A34>}</span><span class="token punctuation" style=color:#393A34>;</span><br/></div></code></pre></div></div> |
| <p>将宏放在 <code>public:</code> 区域时支持私有字段：</p> |
| <div class="language-cpp codeBlockContainer_Ckt0 theme-code-block" style=--prism-color:#393A34;--prism-background-color:#f6f8fa><div class=codeBlockContent_QJqH><pre tabindex=0 class="prism-code language-cpp codeBlock_bY9V thin-scrollbar" style=color:#393A34;background-color:#f6f8fa><code class=codeBlockLines_e6Vv><div class=token-line style=color:#393A34><span class="token keyword" style=color:#00009f>class</span><span class="token plain"> </span><span class="token class-name">PrivateUser</span><span class="token plain"> </span><span class="token punctuation" style=color:#393A34>{</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"></span><span class="token keyword" style=color:#00009f>public</span><span class="token operator" style=color:#393A34>:</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token function" style=color:#d73a49>PrivateUser</span><span class="token punctuation" style=color:#393A34>(</span><span class="token keyword" style=color:#00009f>int32_t</span><span class="token plain"> id</span><span class="token punctuation" style=color:#393A34>,</span><span class="token plain"> std</span><span class="token double-colon punctuation" style=color:#393A34>::</span><span class="token plain">string name</span><span class="token punctuation" style=color:#393A34>)</span><span class="token plain"> </span><span class="token operator" style=color:#393A34>:</span><span class="token plain"> </span><span class="token function" style=color:#d73a49>id_</span><span class="token punctuation" style=color:#393A34>(</span><span class="token plain">id</span><span class="token punctuation" style=color:#393A34>)</span><span class="token punctuation" style=color:#393A34>,</span><span class="token plain"> </span><span class="token function" style=color:#d73a49>name_</span><span class="token punctuation" style=color:#393A34>(</span><span class="token plain">std</span><span class="token double-colon punctuation" style=color:#393A34>::</span><span class="token function" style=color:#d73a49>move</span><span class="token punctuation" style=color:#393A34>(</span><span class="token plain">name</span><span class="token punctuation" style=color:#393A34>)</span><span class="token punctuation" style=color:#393A34>)</span><span class="token plain"> </span><span class="token punctuation" style=color:#393A34>{</span><span class="token punctuation" style=color:#393A34>}</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain" style=display:inline-block></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token keyword" style=color:#00009f>bool</span><span class="token plain"> </span><span class="token keyword" style=color:#00009f>operator</span><span class="token operator" style=color:#393A34>==</span><span class="token punctuation" style=color:#393A34>(</span><span class="token keyword" style=color:#00009f>const</span><span class="token plain"> PrivateUser </span><span class="token operator" style=color:#393A34>&</span><span class="token plain">other</span><span class="token punctuation" style=color:#393A34>)</span><span class="token plain"> </span><span class="token keyword" style=color:#00009f>const</span><span class="token plain"> </span><span class="token punctuation" style=color:#393A34>{</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token keyword" style=color:#00009f>return</span><span class="token plain"> id_ </span><span class="token operator" style=color:#393A34>==</span><span class="token plain"> other</span><span class="token punctuation" style=color:#393A34>.</span><span class="token plain">id_ </span><span class="token operator" style=color:#393A34>&&</span><span class="token plain"> name_ </span><span class="token operator" style=color:#393A34>==</span><span class="token plain"> other</span><span class="token punctuation" style=color:#393A34>.</span><span class="token plain">name_</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token punctuation" style=color:#393A34>}</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain" style=display:inline-block></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"></span><span class="token keyword" style=color:#00009f>private</span><span class="token operator" style=color:#393A34>:</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token keyword" style=color:#00009f>int32_t</span><span class="token plain"> id_ </span><span class="token operator" style=color:#393A34>=</span><span class="token plain"> </span><span class="token number" style=color:#36acaa>0</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> std</span><span class="token double-colon punctuation" style=color:#393A34>::</span><span class="token plain">string name_</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain" style=display:inline-block></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"></span><span class="token keyword" style=color:#00009f>public</span><span class="token operator" style=color:#393A34>:</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token function" style=color:#d73a49>FORY_STRUCT</span><span class="token punctuation" style=color:#393A34>(</span><span class="token plain">PrivateUser</span><span class="token punctuation" style=color:#393A34>,</span><span class="token plain"> id_</span><span class="token punctuation" style=color:#393A34>,</span><span class="token plain"> name_</span><span class="token punctuation" style=color:#393A34>)</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"></span><span class="token punctuation" style=color:#393A34>}</span><span class="token punctuation" style=color:#393A34>;</span><br/></div></code></pre></div></div> |
| <h3 class="anchor anchorTargetStickyNavbar_Vzrq" id=访问器属性>访问器属性<a href=#访问器属性 class=hash-link aria-label=访问器属性的直接链接 title=访问器属性的直接链接 translate=no></a></h3> |
| <p>当序列化字段通过访问器方法而非数据成员公开时，请使用 <code>FORY_PROPERTY</code>。这样仍会将类型注册为普通结构体类型：</p> |
| <div class="language-cpp codeBlockContainer_Ckt0 theme-code-block" style=--prism-color:#393A34;--prism-background-color:#f6f8fa><div class=codeBlockContent_QJqH><pre tabindex=0 class="prism-code language-cpp codeBlock_bY9V thin-scrollbar" style=color:#393A34;background-color:#f6f8fa><code class=codeBlockLines_e6Vv><div class=token-line style=color:#393A34><span class="token keyword" style=color:#00009f>struct</span><span class="token plain"> </span><span class="token class-name">AccountImpl</span><span class="token plain"> </span><span class="token punctuation" style=color:#393A34>{</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token keyword" style=color:#00009f>int32_t</span><span class="token plain"> id </span><span class="token operator" style=color:#393A34>=</span><span class="token plain"> </span><span class="token number" style=color:#36acaa>0</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"></span><span class="token punctuation" style=color:#393A34>}</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain" style=display:inline-block></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"></span><span class="token keyword" style=color:#00009f>class</span><span class="token plain"> </span><span class="token class-name">Account</span><span class="token plain"> </span><span class="token punctuation" style=color:#393A34>{</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"></span><span class="token keyword" style=color:#00009f>public</span><span class="token operator" style=color:#393A34>:</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token keyword" style=color:#00009f>explicit</span><span class="token plain"> </span><span class="token function" style=color:#d73a49>Account</span><span class="token punctuation" style=color:#393A34>(</span><span class="token plain">AccountImpl </span><span class="token operator" style=color:#393A34>*</span><span class="token plain">impl</span><span class="token punctuation" style=color:#393A34>)</span><span class="token plain"> </span><span class="token operator" style=color:#393A34>:</span><span class="token plain"> </span><span class="token function" style=color:#d73a49>impl_</span><span class="token punctuation" style=color:#393A34>(</span><span class="token plain">impl</span><span class="token punctuation" style=color:#393A34>)</span><span class="token plain"> </span><span class="token punctuation" style=color:#393A34>{</span><span class="token punctuation" style=color:#393A34>}</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain" style=display:inline-block></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token keyword" style=color:#00009f>const</span><span class="token plain"> </span><span class="token keyword" style=color:#00009f>int32_t</span><span class="token plain"> </span><span class="token operator" style=color:#393A34>&</span><span class="token function" style=color:#d73a49>id</span><span class="token punctuation" style=color:#393A34>(</span><span class="token punctuation" style=color:#393A34>)</span><span class="token plain"> </span><span class="token keyword" style=color:#00009f>const</span><span class="token plain"> </span><span class="token punctuation" style=color:#393A34>{</span><span class="token plain"> </span><span class="token keyword" style=color:#00009f>return</span><span class="token plain"> impl_</span><span class="token operator" style=color:#393A34>-></span><span class="token plain">id</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"> </span><span class="token punctuation" style=color:#393A34>}</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> Account </span><span class="token operator" style=color:#393A34>&</span><span class="token function" style=color:#d73a49>id</span><span class="token punctuation" style=color:#393A34>(</span><span class="token keyword" style=color:#00009f>int32_t</span><span class="token plain"> value</span><span class="token punctuation" style=color:#393A34>)</span><span class="token plain"> </span><span class="token punctuation" style=color:#393A34>{</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> impl_</span><span class="token operator" style=color:#393A34>-></span><span class="token plain">id </span><span class="token operator" style=color:#393A34>=</span><span class="token plain"> value</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token keyword" style=color:#00009f>return</span><span class="token plain"> </span><span class="token operator" style=color:#393A34>*</span><span class="token keyword" style=color:#00009f>this</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token punctuation" style=color:#393A34>}</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain" style=display:inline-block></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"></span><span class="token keyword" style=color:#00009f>private</span><span class="token operator" style=color:#393A34>:</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> AccountImpl </span><span class="token operator" style=color:#393A34>*</span><span class="token plain">impl_ </span><span class="token operator" style=color:#393A34>=</span><span class="token plain"> </span><span class="token keyword" style=color:#00009f>nullptr</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain" style=display:inline-block></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"></span><span class="token keyword" style=color:#00009f>public</span><span class="token operator" style=color:#393A34>:</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token function" style=color:#d73a49>FORY_STRUCT</span><span class="token punctuation" style=color:#393A34>(</span><span class="token plain">Account</span><span class="token punctuation" style=color:#393A34>,</span><span class="token plain"> </span><span class="token function" style=color:#d73a49>FORY_PROPERTY</span><span class="token punctuation" style=color:#393A34>(</span><span class="token plain">id</span><span class="token punctuation" style=color:#393A34>)</span><span class="token punctuation" style=color:#393A34>)</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"></span><span class="token punctuation" style=color:#393A34>}</span><span class="token punctuation" style=color:#393A34>;</span><br/></div></code></pre></div></div> |
| <p><code>FORY_PROPERTY(id)</code> 调用 <code>obj.id()</code> 读取字段，并调用 <code>obj.id(value)</code> 写入字段。字段类型根据移除 cv 限定符和引用后的 const getter 返回类型推断，因此 <code>const int32_t &</code> 会被视为 <code>int32_t</code>。</p> |
| <p>当 getter 和 setter 名称不同时，使用三参数形式：</p> |
| <div class="language-cpp codeBlockContainer_Ckt0 theme-code-block" style=--prism-color:#393A34;--prism-background-color:#f6f8fa><div class=codeBlockContent_QJqH><pre tabindex=0 class="prism-code language-cpp codeBlock_bY9V thin-scrollbar" style=color:#393A34;background-color:#f6f8fa><code class=codeBlockLines_e6Vv><div class=token-line style=color:#393A34><span class="token keyword" style=color:#00009f>class</span><span class="token plain"> </span><span class="token class-name">User</span><span class="token plain"> </span><span class="token punctuation" style=color:#393A34>{</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"></span><span class="token keyword" style=color:#00009f>public</span><span class="token operator" style=color:#393A34>:</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token keyword" style=color:#00009f>const</span><span class="token plain"> </span><span class="token keyword" style=color:#00009f>int32_t</span><span class="token plain"> </span><span class="token operator" style=color:#393A34>&</span><span class="token function" style=color:#d73a49>get_id</span><span class="token punctuation" style=color:#393A34>(</span><span class="token punctuation" style=color:#393A34>)</span><span class="token plain"> </span><span class="token keyword" style=color:#00009f>const</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token keyword" style=color:#00009f>void</span><span class="token plain"> </span><span class="token function" style=color:#d73a49>set_id</span><span class="token punctuation" style=color:#393A34>(</span><span class="token keyword" style=color:#00009f>int32_t</span><span class="token plain"> value</span><span class="token punctuation" style=color:#393A34>)</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain" style=display:inline-block></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token function" style=color:#d73a49>FORY_STRUCT</span><span class="token punctuation" style=color:#393A34>(</span><span class="token plain">User</span><span class="token punctuation" style=color:#393A34>,</span><span class="token plain"> </span><span class="token function" style=color:#d73a49>FORY_PROPERTY</span><span class="token punctuation" style=color:#393A34>(</span><span class="token plain">id</span><span class="token punctuation" style=color:#393A34>,</span><span class="token plain"> get_id</span><span class="token punctuation" style=color:#393A34>,</span><span class="token plain"> set_id</span><span class="token punctuation" style=color:#393A34>)</span><span class="token punctuation" style=color:#393A34>)</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"></span><span class="token punctuation" style=color:#393A34>}</span><span class="token punctuation" style=color:#393A34>;</span><br/></div></code></pre></div></div> |
| <p>字段元数据可作为最后一个参数附加：</p> |
| <div class="language-cpp codeBlockContainer_Ckt0 theme-code-block" style=--prism-color:#393A34;--prism-background-color:#f6f8fa><div class=codeBlockContent_QJqH><pre tabindex=0 class="prism-code language-cpp codeBlock_bY9V thin-scrollbar" style=color:#393A34;background-color:#f6f8fa><code class=codeBlockLines_e6Vv><div class=token-line style=color:#393A34><span class="token function" style=color:#d73a49>FORY_STRUCT</span><span class="token punctuation" style=color:#393A34>(</span><span class="token plain">Account</span><span class="token punctuation" style=color:#393A34>,</span><span class="token plain"> </span><span class="token function" style=color:#d73a49>FORY_PROPERTY</span><span class="token punctuation" style=color:#393A34>(</span><span class="token plain">id</span><span class="token punctuation" style=color:#393A34>,</span><span class="token plain"> fory</span><span class="token double-colon punctuation" style=color:#393A34>::</span><span class="token function" style=color:#d73a49>F</span><span class="token punctuation" style=color:#393A34>(</span><span class="token punctuation" style=color:#393A34>)</span><span class="token punctuation" style=color:#393A34>.</span><span class="token function" style=color:#d73a49>varint</span><span class="token punctuation" style=color:#393A34>(</span><span class="token punctuation" style=color:#393A34>)</span><span class="token punctuation" style=color:#393A34>)</span><span class="token punctuation" style=color:#393A34>)</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"></span><span class="token function" style=color:#d73a49>FORY_STRUCT</span><span class="token punctuation" style=color:#393A34>(</span><span class="token plain">User</span><span class="token punctuation" style=color:#393A34>,</span><span class="token plain"> </span><span class="token function" style=color:#d73a49>FORY_PROPERTY</span><span class="token punctuation" style=color:#393A34>(</span><span class="token plain">id</span><span class="token punctuation" style=color:#393A34>,</span><span class="token plain"> get_id</span><span class="token punctuation" style=color:#393A34>,</span><span class="token plain"> set_id</span><span class="token punctuation" style=color:#393A34>,</span><span class="token plain"> fory</span><span class="token double-colon punctuation" style=color:#393A34>::</span><span class="token function" style=color:#d73a49>F</span><span class="token punctuation" style=color:#393A34>(</span><span class="token number" style=color:#36acaa>1</span><span class="token punctuation" style=color:#393A34>)</span><span class="token punctuation" style=color:#393A34>.</span><span class="token function" style=color:#d73a49>varint</span><span class="token punctuation" style=color:#393A34>(</span><span class="token punctuation" style=color:#393A34>)</span><span class="token punctuation" style=color:#393A34>)</span><span class="token punctuation" style=color:#393A34>)</span><span class="token punctuation" style=color:#393A34>;</span><br/></div></code></pre></div></div> |
| <p>在命名空间作用域声明 <code>FORY_STRUCT</code> 时，访问器方法必须为 public。对于私有 PIMPL 访问器或私有数据成员，请将 <code>FORY_STRUCT</code> 放在类内部的 <code>public:</code> 区域。</p> |
| <p>该宏会：</p> |
| <ol> |
| <li class="">生成编译期字段元数据</li> |
| <li class="">为序列化启用成员或 ADL（参数依赖查找）发现</li> |
| <li class="">通过模板特化创建高效序列化代码</li> |
| </ol> |
| <p><strong>要求：</strong></p> |
| <ul> |
| <li class="">必须在类定义内部（结构体用法相同）或命名空间作用域声明</li> |
| <li class="">在类内部使用时，必须放在所有字段声明之后</li> |
| <li class="">在类内部使用时，宏必须放在 <code>public:</code> 区域</li> |
| <li class="">列出的所有字段都必须是可序列化类型</li> |
| <li class="">宏中的字段顺序不重要</li> |
| </ul> |
| <h2 class="anchor anchorTargetStickyNavbar_Vzrq" id=外部第三方类型>外部/第三方类型<a href=#外部第三方类型 class=hash-link aria-label=外部/第三方类型的直接链接 title=外部/第三方类型的直接链接 translate=no></a></h2> |
| <p>无法修改第三方类型时，请在命名空间作用域使用 <code>FORY_STRUCT</code>。这种方式仅适用于公共数据成员或公共访问器方法。</p> |
| <div class="language-cpp codeBlockContainer_Ckt0 theme-code-block" style=--prism-color:#393A34;--prism-background-color:#f6f8fa><div class=codeBlockContent_QJqH><pre tabindex=0 class="prism-code language-cpp codeBlock_bY9V thin-scrollbar" style=color:#393A34;background-color:#f6f8fa><code class=codeBlockLines_e6Vv><div class=token-line style=color:#393A34><span class="token keyword" style=color:#00009f>namespace</span><span class="token plain"> thirdparty </span><span class="token punctuation" style=color:#393A34>{</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"></span><span class="token keyword" style=color:#00009f>struct</span><span class="token plain"> </span><span class="token class-name">Foo</span><span class="token plain"> </span><span class="token punctuation" style=color:#393A34>{</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token keyword" style=color:#00009f>int32_t</span><span class="token plain"> id</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> std</span><span class="token double-colon punctuation" style=color:#393A34>::</span><span class="token plain">string name</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"></span><span class="token punctuation" style=color:#393A34>}</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain" style=display:inline-block></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"></span><span class="token function" style=color:#d73a49>FORY_STRUCT</span><span class="token punctuation" style=color:#393A34>(</span><span class="token plain">Foo</span><span class="token punctuation" style=color:#393A34>,</span><span class="token plain"> id</span><span class="token punctuation" style=color:#393A34>,</span><span class="token plain"> name</span><span class="token punctuation" style=color:#393A34>)</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"></span><span class="token punctuation" style=color:#393A34>}</span><span class="token plain"> </span><span class="token comment" style=color:#999988;font-style:italic>// namespace thirdparty</span><br/></div></code></pre></div></div> |
| <p><strong>限制：</strong></p> |
| <ul> |
| <li class="">必须在与类型相同的命名空间中、命名空间作用域声明</li> |
| <li class="">仅支持公共数据成员或访问器方法</li> |
| </ul> |
| <h2 class="anchor anchorTargetStickyNavbar_Vzrq" id=继承字段>继承字段<a href=#继承字段 class=hash-link aria-label=继承字段的直接链接 title=继承字段的直接链接 translate=no></a></h2> |
| <p>要在派生类型中包含基类字段，请使用 <code>FORY_BASE(Base)</code> 并将其放入 <code>FORY_STRUCT</code>。基类必须定义自己的 <code>FORY_STRUCT</code>，以便引用其字段。</p> |
| <div class="language-cpp codeBlockContainer_Ckt0 theme-code-block" style=--prism-color:#393A34;--prism-background-color:#f6f8fa><div class=codeBlockContent_QJqH><pre tabindex=0 class="prism-code language-cpp codeBlock_bY9V thin-scrollbar" style=color:#393A34;background-color:#f6f8fa><code class=codeBlockLines_e6Vv><div class=token-line style=color:#393A34><span class="token keyword" style=color:#00009f>struct</span><span class="token plain"> </span><span class="token class-name">Base</span><span class="token plain"> </span><span class="token punctuation" style=color:#393A34>{</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token keyword" style=color:#00009f>int32_t</span><span class="token plain"> a</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token function" style=color:#d73a49>FORY_STRUCT</span><span class="token punctuation" style=color:#393A34>(</span><span class="token plain">Base</span><span class="token punctuation" style=color:#393A34>,</span><span class="token plain"> a</span><span class="token punctuation" style=color:#393A34>)</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"></span><span class="token punctuation" style=color:#393A34>}</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain" style=display:inline-block></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"></span><span class="token keyword" style=color:#00009f>struct</span><span class="token plain"> </span><span class="token class-name">Derived</span><span class="token plain"> </span><span class="token operator" style=color:#393A34>:</span><span class="token plain"> </span><span class="token base-clause class-name">Base</span><span class="token plain"> </span><span class="token punctuation" style=color:#393A34>{</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token keyword" style=color:#00009f>int32_t</span><span class="token plain"> b</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token function" style=color:#d73a49>FORY_STRUCT</span><span class="token punctuation" style=color:#393A34>(</span><span class="token plain">Derived</span><span class="token punctuation" style=color:#393A34>,</span><span class="token plain"> </span><span class="token function" style=color:#d73a49>FORY_BASE</span><span class="token punctuation" style=color:#393A34>(</span><span class="token plain">Base</span><span class="token punctuation" style=color:#393A34>)</span><span class="token punctuation" style=color:#393A34>,</span><span class="token plain"> b</span><span class="token punctuation" style=color:#393A34>)</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"></span><span class="token punctuation" style=color:#393A34>}</span><span class="token punctuation" style=color:#393A34>;</span><br/></div></code></pre></div></div> |
| <p><strong>注意：</strong></p> |
| <ul> |
| <li class="">基类字段在派生类字段之前序列化。</li> |
| <li class="">仅支持派生类型可见的字段。</li> |
| </ul> |
| <h2 class="anchor anchorTargetStickyNavbar_Vzrq" id=嵌套结构体>嵌套结构体<a href=#嵌套结构体 class=hash-link aria-label=嵌套结构体的直接链接 title=嵌套结构体的直接链接 translate=no></a></h2> |
| <p>完全支持嵌套结构体：</p> |
| <div class="language-cpp codeBlockContainer_Ckt0 theme-code-block" style=--prism-color:#393A34;--prism-background-color:#f6f8fa><div class=codeBlockContent_QJqH><pre tabindex=0 class="prism-code language-cpp codeBlock_bY9V thin-scrollbar" style=color:#393A34;background-color:#f6f8fa><code class=codeBlockLines_e6Vv><div class=token-line style=color:#393A34><span class="token keyword" style=color:#00009f>struct</span><span class="token plain"> </span><span class="token class-name">Inner</span><span class="token plain"> </span><span class="token punctuation" style=color:#393A34>{</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token keyword" style=color:#00009f>int32_t</span><span class="token plain"> value</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token function" style=color:#d73a49>FORY_STRUCT</span><span class="token punctuation" style=color:#393A34>(</span><span class="token plain">Inner</span><span class="token punctuation" style=color:#393A34>,</span><span class="token plain"> value</span><span class="token punctuation" style=color:#393A34>)</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"></span><span class="token punctuation" style=color:#393A34>}</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain" style=display:inline-block></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"></span><span class="token keyword" style=color:#00009f>struct</span><span class="token plain"> </span><span class="token class-name">Outer</span><span class="token plain"> </span><span class="token punctuation" style=color:#393A34>{</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> Inner inner</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> std</span><span class="token double-colon punctuation" style=color:#393A34>::</span><span class="token plain">string label</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token function" style=color:#d73a49>FORY_STRUCT</span><span class="token punctuation" style=color:#393A34>(</span><span class="token plain">Outer</span><span class="token punctuation" style=color:#393A34>,</span><span class="token plain"> inner</span><span class="token punctuation" style=color:#393A34>,</span><span class="token plain"> label</span><span class="token punctuation" style=color:#393A34>)</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"></span><span class="token punctuation" style=color:#393A34>}</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain" style=display:inline-block></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"></span><span class="token comment" style=color:#999988;font-style:italic>// Both must be registered</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain">fory</span><span class="token punctuation" style=color:#393A34>.</span><span class="token generic-function function" style=color:#d73a49>register_struct</span><span class="token generic-function generic class-name operator" style=color:#393A34><</span><span class="token generic-function generic class-name">Inner</span><span class="token generic-function generic class-name operator" style=color:#393A34>></span><span class="token punctuation" style=color:#393A34>(</span><span class="token number" style=color:#36acaa>1</span><span class="token punctuation" style=color:#393A34>)</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain">fory</span><span class="token punctuation" style=color:#393A34>.</span><span class="token generic-function function" style=color:#d73a49>register_struct</span><span class="token generic-function generic class-name operator" style=color:#393A34><</span><span class="token generic-function generic class-name">Outer</span><span class="token generic-function generic class-name operator" style=color:#393A34>></span><span class="token punctuation" style=color:#393A34>(</span><span class="token number" style=color:#36acaa>2</span><span class="token punctuation" style=color:#393A34>)</span><span class="token punctuation" style=color:#393A34>;</span><br/></div></code></pre></div></div> |
| <h2 class="anchor anchorTargetStickyNavbar_Vzrq" id=性能技巧>性能技巧<a href=#性能技巧 class=hash-link aria-label=性能技巧的直接链接 title=性能技巧的直接链接 translate=no></a></h2> |
| <ul> |
| <li class=""><strong>复用缓冲区</strong>：对预分配缓冲区使用 <code>serialize_to(buffer, obj)</code></li> |
| <li class=""><strong>预先注册</strong>：在序列化开始前注册所有类型</li> |
| <li class=""><strong>单线程</strong>：可行时使用 <code>build()</code>，而非 <code>build_thread_safe()</code></li> |
| <li class=""><strong>禁用跟踪</strong>：不需要引用时使用 <code>track_ref(false)</code></li> |
| <li class=""><strong>紧凑编码</strong>：使用变长编码提高空间效率</li> |
| </ul> |
| <h2 class="anchor anchorTargetStickyNavbar_Vzrq" id=cross-language-interoperability>跨语言互操作<a href=#cross-language-interoperability class=hash-link aria-label=跨语言互操作的直接链接 title=跨语言互操作的直接链接 translate=no></a></h2> |
| <p>所有受支持的 Fory 实现都共用默认 xlang 格式。以下内容说明它的跨语言类型映射、类型标识和互操作要求。</p> |
| <p>本文说明如何在 C++ 与其他语言之间使用 Fory 跨语言序列化。</p> |
| <h3 class="anchor anchorTargetStickyNavbar_Vzrq" id=概述>概述<a href=#概述 class=hash-link aria-label=概述的直接链接 title=概述的直接链接 translate=no></a></h3> |
| <p>Apache Fory™ 支持 C++、Java、Python、Go、Rust、JavaScript/TypeScript、C#、Swift、Dart、Scala 和 Kotlin 之间的无缝数据交换。跨语言模式确保所有受支持语言之间的二进制兼容性。</p> |
| <h3 class="anchor anchorTargetStickyNavbar_Vzrq" id=xlang-配置>Xlang 配置<a href=#xlang-配置 class=hash-link aria-label="Xlang 配置的直接链接" title="Xlang 配置的直接链接" translate=no></a></h3> |
| <p>C++ 默认使用跨语言模式，兼容 Schema 演进也是该模式的默认设置。跨语言示例中应显式设置模式：</p> |
| <div class="language-cpp codeBlockContainer_Ckt0 theme-code-block" style=--prism-color:#393A34;--prism-background-color:#f6f8fa><div class=codeBlockContent_QJqH><pre tabindex=0 class="prism-code language-cpp codeBlock_bY9V thin-scrollbar" style=color:#393A34;background-color:#f6f8fa><code class=codeBlockLines_e6Vv><div class=token-line style=color:#393A34><span class="token macro property directive-hash" style=color:#36acaa>#</span><span class="token macro property directive keyword" style=color:#00009f>include</span><span class="token macro property" style=color:#36acaa> </span><span class="token macro property string" style=color:#e3116c>"fory/serialization/fory.h"</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain" style=display:inline-block></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"></span><span class="token keyword" style=color:#00009f>using</span><span class="token plain"> </span><span class="token keyword" style=color:#00009f>namespace</span><span class="token plain"> fory</span><span class="token double-colon punctuation" style=color:#393A34>::</span><span class="token plain">serialization</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain" style=display:inline-block></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"></span><span class="token keyword" style=color:#00009f>auto</span><span class="token plain"> fory </span><span class="token operator" style=color:#393A34>=</span><span class="token plain"> </span><span class="token class-name">Fory</span><span class="token double-colon punctuation" style=color:#393A34>::</span><span class="token function" style=color:#d73a49>builder</span><span class="token punctuation" style=color:#393A34>(</span><span class="token punctuation" style=color:#393A34>)</span><span class="token punctuation" style=color:#393A34>.</span><span class="token function" style=color:#d73a49>xlang</span><span class="token punctuation" style=color:#393A34>(</span><span class="token boolean" style=color:#36acaa>true</span><span class="token punctuation" style=color:#393A34>)</span><span class="token punctuation" style=color:#393A34>.</span><span class="token function" style=color:#d73a49>build</span><span class="token punctuation" style=color:#393A34>(</span><span class="token punctuation" style=color:#393A34>)</span><span class="token punctuation" style=color:#393A34>;</span><br/></div></code></pre></div></div> |
| <h3 class="anchor anchorTargetStickyNavbar_Vzrq" id=跨语言示例>跨语言示例<a href=#跨语言示例 class=hash-link aria-label=跨语言示例的直接链接 title=跨语言示例的直接链接 translate=no></a></h3> |
| <h4 class="anchor anchorTargetStickyNavbar_Vzrq" id=c-生产端>C++ 生产端<a href=#c-生产端 class=hash-link aria-label="C++ 生产端的直接链接" title="C++ 生产端的直接链接" translate=no></a></h4> |
| <div class="language-cpp codeBlockContainer_Ckt0 theme-code-block" style=--prism-color:#393A34;--prism-background-color:#f6f8fa><div class=codeBlockContent_QJqH><pre tabindex=0 class="prism-code language-cpp codeBlock_bY9V thin-scrollbar" style=color:#393A34;background-color:#f6f8fa><code class=codeBlockLines_e6Vv><div class=token-line style=color:#393A34><span class="token macro property directive-hash" style=color:#36acaa>#</span><span class="token macro property directive keyword" style=color:#00009f>include</span><span class="token macro property" style=color:#36acaa> </span><span class="token macro property string" style=color:#e3116c>"fory/serialization/fory.h"</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"></span><span class="token macro property directive-hash" style=color:#36acaa>#</span><span class="token macro property directive keyword" style=color:#00009f>include</span><span class="token macro property" style=color:#36acaa> </span><span class="token macro property string" style=color:#e3116c><fstream></span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain" style=display:inline-block></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"></span><span class="token keyword" style=color:#00009f>using</span><span class="token plain"> </span><span class="token keyword" style=color:#00009f>namespace</span><span class="token plain"> fory</span><span class="token double-colon punctuation" style=color:#393A34>::</span><span class="token plain">serialization</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain" style=display:inline-block></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"></span><span class="token keyword" style=color:#00009f>struct</span><span class="token plain"> </span><span class="token class-name">Message</span><span class="token plain"> </span><span class="token punctuation" style=color:#393A34>{</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> std</span><span class="token double-colon punctuation" style=color:#393A34>::</span><span class="token plain">string topic</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token keyword" style=color:#00009f>int64_t</span><span class="token plain"> timestamp</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> std</span><span class="token double-colon punctuation" style=color:#393A34>::</span><span class="token plain">map</span><span class="token operator" style=color:#393A34><</span><span class="token plain">std</span><span class="token double-colon punctuation" style=color:#393A34>::</span><span class="token plain">string</span><span class="token punctuation" style=color:#393A34>,</span><span class="token plain"> std</span><span class="token double-colon punctuation" style=color:#393A34>::</span><span class="token plain">string</span><span class="token operator" style=color:#393A34>></span><span class="token plain"> headers</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> std</span><span class="token double-colon punctuation" style=color:#393A34>::</span><span class="token plain">vector</span><span class="token operator" style=color:#393A34><</span><span class="token keyword" style=color:#00009f>uint8_t</span><span class="token operator" style=color:#393A34>></span><span class="token plain"> payload</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain" style=display:inline-block></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token keyword" style=color:#00009f>bool</span><span class="token plain"> </span><span class="token keyword" style=color:#00009f>operator</span><span class="token operator" style=color:#393A34>==</span><span class="token punctuation" style=color:#393A34>(</span><span class="token keyword" style=color:#00009f>const</span><span class="token plain"> Message </span><span class="token operator" style=color:#393A34>&</span><span class="token plain">other</span><span class="token punctuation" style=color:#393A34>)</span><span class="token plain"> </span><span class="token keyword" style=color:#00009f>const</span><span class="token plain"> </span><span class="token punctuation" style=color:#393A34>{</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token keyword" style=color:#00009f>return</span><span class="token plain"> topic </span><span class="token operator" style=color:#393A34>==</span><span class="token plain"> other</span><span class="token punctuation" style=color:#393A34>.</span><span class="token plain">topic </span><span class="token operator" style=color:#393A34>&&</span><span class="token plain"> timestamp </span><span class="token operator" style=color:#393A34>==</span><span class="token plain"> other</span><span class="token punctuation" style=color:#393A34>.</span><span class="token plain">timestamp </span><span class="token operator" style=color:#393A34>&&</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> headers </span><span class="token operator" style=color:#393A34>==</span><span class="token plain"> other</span><span class="token punctuation" style=color:#393A34>.</span><span class="token plain">headers </span><span class="token operator" style=color:#393A34>&&</span><span class="token plain"> payload </span><span class="token operator" style=color:#393A34>==</span><span class="token plain"> other</span><span class="token punctuation" style=color:#393A34>.</span><span class="token plain">payload</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token punctuation" style=color:#393A34>}</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"></span><span class="token punctuation" style=color:#393A34>}</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"></span><span class="token function" style=color:#d73a49>FORY_STRUCT</span><span class="token punctuation" style=color:#393A34>(</span><span class="token plain">Message</span><span class="token punctuation" style=color:#393A34>,</span><span class="token plain"> topic</span><span class="token punctuation" style=color:#393A34>,</span><span class="token plain"> timestamp</span><span class="token punctuation" style=color:#393A34>,</span><span class="token plain"> headers</span><span class="token punctuation" style=color:#393A34>,</span><span class="token plain"> payload</span><span class="token punctuation" style=color:#393A34>)</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain" style=display:inline-block></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"></span><span class="token keyword" style=color:#00009f>int</span><span class="token plain"> </span><span class="token function" style=color:#d73a49>main</span><span class="token punctuation" style=color:#393A34>(</span><span class="token punctuation" style=color:#393A34>)</span><span class="token plain"> </span><span class="token punctuation" style=color:#393A34>{</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token keyword" style=color:#00009f>auto</span><span class="token plain"> fory </span><span class="token operator" style=color:#393A34>=</span><span class="token plain"> </span><span class="token class-name">Fory</span><span class="token double-colon punctuation" style=color:#393A34>::</span><span class="token function" style=color:#d73a49>builder</span><span class="token punctuation" style=color:#393A34>(</span><span class="token punctuation" style=color:#393A34>)</span><span class="token punctuation" style=color:#393A34>.</span><span class="token function" style=color:#d73a49>xlang</span><span class="token punctuation" style=color:#393A34>(</span><span class="token boolean" style=color:#36acaa>true</span><span class="token punctuation" style=color:#393A34>)</span><span class="token punctuation" style=color:#393A34>.</span><span class="token function" style=color:#d73a49>build</span><span class="token punctuation" style=color:#393A34>(</span><span class="token punctuation" style=color:#393A34>)</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> fory</span><span class="token punctuation" style=color:#393A34>.</span><span class="token generic-function function" style=color:#d73a49>register_struct</span><span class="token generic-function generic class-name operator" style=color:#393A34><</span><span class="token generic-function generic class-name">Message</span><span class="token generic-function generic class-name operator" style=color:#393A34>></span><span class="token punctuation" style=color:#393A34>(</span><span class="token number" style=color:#36acaa>100</span><span class="token punctuation" style=color:#393A34>)</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain" style=display:inline-block></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> Message msg</span><span class="token punctuation" style=color:#393A34>{</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token string" style=color:#e3116c>"events.user"</span><span class="token punctuation" style=color:#393A34>,</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token number" style=color:#36acaa>1699999999000</span><span class="token punctuation" style=color:#393A34>,</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token punctuation" style=color:#393A34>{</span><span class="token punctuation" style=color:#393A34>{</span><span class="token string" style=color:#e3116c>"content-type"</span><span class="token punctuation" style=color:#393A34>,</span><span class="token plain"> </span><span class="token string" style=color:#e3116c>"application/json"</span><span class="token punctuation" style=color:#393A34>}</span><span class="token punctuation" style=color:#393A34>}</span><span class="token punctuation" style=color:#393A34>,</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token punctuation" style=color:#393A34>{</span><span class="token char">'h'</span><span class="token punctuation" style=color:#393A34>,</span><span class="token plain"> </span><span class="token char">'e'</span><span class="token punctuation" style=color:#393A34>,</span><span class="token plain"> </span><span class="token char">'l'</span><span class="token punctuation" style=color:#393A34>,</span><span class="token plain"> </span><span class="token char">'l'</span><span class="token punctuation" style=color:#393A34>,</span><span class="token plain"> </span><span class="token char">'o'</span><span class="token punctuation" style=color:#393A34>}</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token punctuation" style=color:#393A34>}</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain" style=display:inline-block></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token keyword" style=color:#00009f>auto</span><span class="token plain"> result </span><span class="token operator" style=color:#393A34>=</span><span class="token plain"> fory</span><span class="token punctuation" style=color:#393A34>.</span><span class="token function" style=color:#d73a49>serialize</span><span class="token punctuation" style=color:#393A34>(</span><span class="token plain">msg</span><span class="token punctuation" style=color:#393A34>)</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token keyword" style=color:#00009f>if</span><span class="token plain"> </span><span class="token punctuation" style=color:#393A34>(</span><span class="token plain">result</span><span class="token punctuation" style=color:#393A34>.</span><span class="token function" style=color:#d73a49>ok</span><span class="token punctuation" style=color:#393A34>(</span><span class="token punctuation" style=color:#393A34>)</span><span class="token punctuation" style=color:#393A34>)</span><span class="token plain"> </span><span class="token punctuation" style=color:#393A34>{</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token keyword" style=color:#00009f>auto</span><span class="token plain"> bytes </span><span class="token operator" style=color:#393A34>=</span><span class="token plain"> std</span><span class="token double-colon punctuation" style=color:#393A34>::</span><span class="token function" style=color:#d73a49>move</span><span class="token punctuation" style=color:#393A34>(</span><span class="token plain">result</span><span class="token punctuation" style=color:#393A34>)</span><span class="token punctuation" style=color:#393A34>.</span><span class="token function" style=color:#d73a49>value</span><span class="token punctuation" style=color:#393A34>(</span><span class="token punctuation" style=color:#393A34>)</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token comment" style=color:#999988;font-style:italic>// write to file, send over network, etc.</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> std</span><span class="token double-colon punctuation" style=color:#393A34>::</span><span class="token plain">ofstream </span><span class="token function" style=color:#d73a49>file</span><span class="token punctuation" style=color:#393A34>(</span><span class="token string" style=color:#e3116c>"message.bin"</span><span class="token punctuation" style=color:#393A34>,</span><span class="token plain"> std</span><span class="token double-colon punctuation" style=color:#393A34>::</span><span class="token plain">ios</span><span class="token double-colon punctuation" style=color:#393A34>::</span><span class="token plain">binary</span><span class="token punctuation" style=color:#393A34>)</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> file</span><span class="token punctuation" style=color:#393A34>.</span><span class="token function" style=color:#d73a49>write</span><span class="token punctuation" style=color:#393A34>(</span><span class="token generic-function function" style=color:#d73a49>reinterpret_cast</span><span class="token generic-function generic class-name operator" style=color:#393A34><</span><span class="token generic-function generic class-name keyword" style=color:#00009f>const</span><span class="token generic-function generic class-name"> </span><span class="token generic-function generic class-name keyword" style=color:#00009f>char</span><span class="token generic-function generic class-name operator" style=color:#393A34>*</span><span class="token generic-function generic class-name operator" style=color:#393A34>></span><span class="token punctuation" style=color:#393A34>(</span><span class="token plain">bytes</span><span class="token punctuation" style=color:#393A34>.</span><span class="token function" style=color:#d73a49>data</span><span class="token punctuation" style=color:#393A34>(</span><span class="token punctuation" style=color:#393A34>)</span><span class="token punctuation" style=color:#393A34>)</span><span class="token punctuation" style=color:#393A34>,</span><span class="token plain"> bytes</span><span class="token punctuation" style=color:#393A34>.</span><span class="token function" style=color:#d73a49>size</span><span class="token punctuation" style=color:#393A34>(</span><span class="token punctuation" style=color:#393A34>)</span><span class="token punctuation" style=color:#393A34>)</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token punctuation" style=color:#393A34>}</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token keyword" style=color:#00009f>return</span><span class="token plain"> </span><span class="token number" style=color:#36acaa>0</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"></span><span class="token punctuation" style=color:#393A34>}</span><br/></div></code></pre></div></div> |
| <h4 class="anchor anchorTargetStickyNavbar_Vzrq" id=java-消费端>Java 消费端<a href=#java-消费端 class=hash-link aria-label="Java 消费端的直接链接" title="Java 消费端的直接链接" translate=no></a></h4> |
| <div class="language-java codeBlockContainer_Ckt0 theme-code-block" style=--prism-color:#393A34;--prism-background-color:#f6f8fa><div class=codeBlockContent_QJqH><pre tabindex=0 class="prism-code language-java codeBlock_bY9V thin-scrollbar" style=color:#393A34;background-color:#f6f8fa><code class=codeBlockLines_e6Vv><div class=token-line style=color:#393A34><span class="token keyword" style=color:#00009f>import</span><span class="token plain"> </span><span class="token import namespace" style=opacity:0.7>org</span><span class="token import namespace punctuation" style=opacity:0.7;color:#393A34>.</span><span class="token import namespace" style=opacity:0.7>apache</span><span class="token import namespace punctuation" style=opacity:0.7;color:#393A34>.</span><span class="token import namespace" style=opacity:0.7>fory</span><span class="token import namespace punctuation" style=opacity:0.7;color:#393A34>.</span><span class="token import class-name">Fory</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain" style=display:inline-block></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"></span><span class="token keyword" style=color:#00009f>public</span><span class="token plain"> </span><span class="token keyword" style=color:#00009f>class</span><span class="token plain"> </span><span class="token class-name">Message</span><span class="token plain"> </span><span class="token punctuation" style=color:#393A34>{</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token keyword" style=color:#00009f>public</span><span class="token plain"> </span><span class="token class-name">String</span><span class="token plain"> topic</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token keyword" style=color:#00009f>public</span><span class="token plain"> </span><span class="token keyword" style=color:#00009f>long</span><span class="token plain"> timestamp</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token keyword" style=color:#00009f>public</span><span class="token plain"> </span><span class="token class-name">Map</span><span class="token generics punctuation" style=color:#393A34><</span><span class="token generics class-name">String</span><span class="token generics punctuation" style=color:#393A34>,</span><span class="token generics"> </span><span class="token generics class-name">String</span><span class="token generics punctuation" style=color:#393A34>></span><span class="token plain"> headers</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token keyword" style=color:#00009f>public</span><span class="token plain"> </span><span class="token keyword" style=color:#00009f>byte</span><span class="token punctuation" style=color:#393A34>[</span><span class="token punctuation" style=color:#393A34>]</span><span class="token plain"> payload</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"></span><span class="token punctuation" style=color:#393A34>}</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain" style=display:inline-block></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"></span><span class="token keyword" style=color:#00009f>public</span><span class="token plain"> </span><span class="token keyword" style=color:#00009f>class</span><span class="token plain"> </span><span class="token class-name">Consumer</span><span class="token plain"> </span><span class="token punctuation" style=color:#393A34>{</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token keyword" style=color:#00009f>public</span><span class="token plain"> </span><span class="token keyword" style=color:#00009f>static</span><span class="token plain"> </span><span class="token keyword" style=color:#00009f>void</span><span class="token plain"> </span><span class="token function" style=color:#d73a49>main</span><span class="token punctuation" style=color:#393A34>(</span><span class="token class-name">String</span><span class="token punctuation" style=color:#393A34>[</span><span class="token punctuation" style=color:#393A34>]</span><span class="token plain"> args</span><span class="token punctuation" style=color:#393A34>)</span><span class="token plain"> </span><span class="token keyword" style=color:#00009f>throws</span><span class="token plain"> </span><span class="token class-name">Exception</span><span class="token plain"> </span><span class="token punctuation" style=color:#393A34>{</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token class-name">Fory</span><span class="token plain"> fory </span><span class="token operator" style=color:#393A34>=</span><span class="token plain"> </span><span class="token class-name">Fory</span><span class="token punctuation" style=color:#393A34>.</span><span class="token function" style=color:#d73a49>builder</span><span class="token punctuation" style=color:#393A34>(</span><span class="token punctuation" style=color:#393A34>)</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token punctuation" style=color:#393A34>.</span><span class="token function" style=color:#d73a49>withXlang</span><span class="token punctuation" style=color:#393A34>(</span><span class="token boolean" style=color:#36acaa>true</span><span class="token punctuation" style=color:#393A34>)</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token punctuation" style=color:#393A34>.</span><span class="token function" style=color:#d73a49>build</span><span class="token punctuation" style=color:#393A34>(</span><span class="token punctuation" style=color:#393A34>)</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> fory</span><span class="token punctuation" style=color:#393A34>.</span><span class="token function" style=color:#d73a49>register</span><span class="token punctuation" style=color:#393A34>(</span><span class="token class-name">Message</span><span class="token punctuation" style=color:#393A34>.</span><span class="token keyword" style=color:#00009f>class</span><span class="token punctuation" style=color:#393A34>,</span><span class="token plain"> </span><span class="token number" style=color:#36acaa>100</span><span class="token punctuation" style=color:#393A34>)</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"> </span><span class="token comment" style=color:#999988;font-style:italic>// Same ID as C++</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain" style=display:inline-block></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token keyword" style=color:#00009f>byte</span><span class="token punctuation" style=color:#393A34>[</span><span class="token punctuation" style=color:#393A34>]</span><span class="token plain"> bytes </span><span class="token operator" style=color:#393A34>=</span><span class="token plain"> </span><span class="token class-name">Files</span><span class="token punctuation" style=color:#393A34>.</span><span class="token function" style=color:#d73a49>readAllBytes</span><span class="token punctuation" style=color:#393A34>(</span><span class="token class-name">Path</span><span class="token punctuation" style=color:#393A34>.</span><span class="token function" style=color:#d73a49>of</span><span class="token punctuation" style=color:#393A34>(</span><span class="token string" style=color:#e3116c>"message.bin"</span><span class="token punctuation" style=color:#393A34>)</span><span class="token punctuation" style=color:#393A34>)</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token class-name">Message</span><span class="token plain"> msg </span><span class="token operator" style=color:#393A34>=</span><span class="token plain"> </span><span class="token punctuation" style=color:#393A34>(</span><span class="token class-name">Message</span><span class="token punctuation" style=color:#393A34>)</span><span class="token plain"> fory</span><span class="token punctuation" style=color:#393A34>.</span><span class="token function" style=color:#d73a49>deserialize</span><span class="token punctuation" style=color:#393A34>(</span><span class="token plain">bytes</span><span class="token punctuation" style=color:#393A34>)</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain" style=display:inline-block></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token class-name">System</span><span class="token punctuation" style=color:#393A34>.</span><span class="token plain">out</span><span class="token punctuation" style=color:#393A34>.</span><span class="token function" style=color:#d73a49>println</span><span class="token punctuation" style=color:#393A34>(</span><span class="token string" style=color:#e3116c>"Topic: "</span><span class="token plain"> </span><span class="token operator" style=color:#393A34>+</span><span class="token plain"> msg</span><span class="token punctuation" style=color:#393A34>.</span><span class="token plain">topic</span><span class="token punctuation" style=color:#393A34>)</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token class-name">System</span><span class="token punctuation" style=color:#393A34>.</span><span class="token plain">out</span><span class="token punctuation" style=color:#393A34>.</span><span class="token function" style=color:#d73a49>println</span><span class="token punctuation" style=color:#393A34>(</span><span class="token string" style=color:#e3116c>"Timestamp: "</span><span class="token plain"> </span><span class="token operator" style=color:#393A34>+</span><span class="token plain"> msg</span><span class="token punctuation" style=color:#393A34>.</span><span class="token plain">timestamp</span><span class="token punctuation" style=color:#393A34>)</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token punctuation" style=color:#393A34>}</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"></span><span class="token punctuation" style=color:#393A34>}</span><br/></div></code></pre></div></div> |
| <h4 class="anchor anchorTargetStickyNavbar_Vzrq" id=python-消费端>Python 消费端<a href=#python-消费端 class=hash-link aria-label="Python 消费端的直接链接" title="Python 消费端的直接链接" translate=no></a></h4> |
| <div class="language-python codeBlockContainer_Ckt0 theme-code-block" style=--prism-color:#393A34;--prism-background-color:#f6f8fa><div class=codeBlockContent_QJqH><pre tabindex=0 class="prism-code language-python codeBlock_bY9V thin-scrollbar" style=color:#393A34;background-color:#f6f8fa><code class=codeBlockLines_e6Vv><div class=token-line style=color:#393A34><span class="token keyword" style=color:#00009f>import</span><span class="token plain"> pyfory</span><br/></div><div class=token-line style=color:#393A34><span class="token plain" style=display:inline-block></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"></span><span class="token keyword" style=color:#00009f>class</span><span class="token plain"> </span><span class="token class-name">Message</span><span class="token punctuation" style=color:#393A34>:</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> topic</span><span class="token punctuation" style=color:#393A34>:</span><span class="token plain"> </span><span class="token builtin">str</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> timestamp</span><span class="token punctuation" style=color:#393A34>:</span><span class="token plain"> </span><span class="token builtin">int</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> headers</span><span class="token punctuation" style=color:#393A34>:</span><span class="token plain"> </span><span class="token builtin">dict</span><span class="token punctuation" style=color:#393A34>[</span><span class="token builtin">str</span><span class="token punctuation" style=color:#393A34>,</span><span class="token plain"> </span><span class="token builtin">str</span><span class="token punctuation" style=color:#393A34>]</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> payload</span><span class="token punctuation" style=color:#393A34>:</span><span class="token plain"> </span><span class="token builtin">bytes</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain" style=display:inline-block></span><br/></div><div class=token-line style=color:#393A34><span class="token plain">fory </span><span class="token operator" style=color:#393A34>=</span><span class="token plain"> pyfory</span><span class="token punctuation" style=color:#393A34>.</span><span class="token plain">Fory</span><span class="token punctuation" style=color:#393A34>(</span><span class="token plain">xlang</span><span class="token operator" style=color:#393A34>=</span><span class="token boolean" style=color:#36acaa>True</span><span class="token punctuation" style=color:#393A34>)</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain">fory</span><span class="token punctuation" style=color:#393A34>.</span><span class="token plain">register</span><span class="token punctuation" style=color:#393A34>(</span><span class="token plain">Message</span><span class="token punctuation" style=color:#393A34>,</span><span class="token plain"> type_id</span><span class="token operator" style=color:#393A34>=</span><span class="token number" style=color:#36acaa>100</span><span class="token punctuation" style=color:#393A34>)</span><span class="token plain"> </span><span class="token comment" style=color:#999988;font-style:italic># Same ID as C++</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain" style=display:inline-block></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"></span><span class="token keyword" style=color:#00009f>with</span><span class="token plain"> </span><span class="token builtin">open</span><span class="token punctuation" style=color:#393A34>(</span><span class="token string" style=color:#e3116c>"message.bin"</span><span class="token punctuation" style=color:#393A34>,</span><span class="token plain"> </span><span class="token string" style=color:#e3116c>"rb"</span><span class="token punctuation" style=color:#393A34>)</span><span class="token plain"> </span><span class="token keyword" style=color:#00009f>as</span><span class="token plain"> f</span><span class="token punctuation" style=color:#393A34>:</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> data </span><span class="token operator" style=color:#393A34>=</span><span class="token plain"> f</span><span class="token punctuation" style=color:#393A34>.</span><span class="token plain">read</span><span class="token punctuation" style=color:#393A34>(</span><span class="token punctuation" style=color:#393A34>)</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain" style=display:inline-block></span><br/></div><div class=token-line style=color:#393A34><span class="token plain">msg </span><span class="token operator" style=color:#393A34>=</span><span class="token plain"> fory</span><span class="token punctuation" style=color:#393A34>.</span><span class="token plain">deserialize</span><span class="token punctuation" style=color:#393A34>(</span><span class="token plain">data</span><span class="token punctuation" style=color:#393A34>)</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"></span><span class="token keyword" style=color:#00009f>print</span><span class="token punctuation" style=color:#393A34>(</span><span class="token string-interpolation string" style=color:#e3116c>f"Topic: </span><span class="token string-interpolation interpolation punctuation" style=color:#393A34>{</span><span class="token string-interpolation interpolation">msg</span><span class="token string-interpolation interpolation punctuation" style=color:#393A34>.</span><span class="token string-interpolation interpolation">topic</span><span class="token string-interpolation interpolation punctuation" style=color:#393A34>}</span><span class="token string-interpolation string" style=color:#e3116c>"</span><span class="token punctuation" style=color:#393A34>)</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"></span><span class="token keyword" style=color:#00009f>print</span><span class="token punctuation" style=color:#393A34>(</span><span class="token string-interpolation string" style=color:#e3116c>f"Timestamp: </span><span class="token string-interpolation interpolation punctuation" style=color:#393A34>{</span><span class="token string-interpolation interpolation">msg</span><span class="token string-interpolation interpolation punctuation" style=color:#393A34>.</span><span class="token string-interpolation interpolation">timestamp</span><span class="token string-interpolation interpolation punctuation" style=color:#393A34>}</span><span class="token string-interpolation string" style=color:#e3116c>"</span><span class="token punctuation" style=color:#393A34>)</span><br/></div></code></pre></div></div> |
| <h3 class="anchor anchorTargetStickyNavbar_Vzrq" id=类型映射>类型映射<a href=#类型映射 class=hash-link aria-label=类型映射的直接链接 title=类型映射的直接链接 translate=no></a></h3> |
| <h4 class="anchor anchorTargetStickyNavbar_Vzrq" id=原始类型>原始类型<a href=#原始类型 class=hash-link aria-label=原始类型的直接链接 title=原始类型的直接链接 translate=no></a></h4> |
| <table><thead><tr><th>C++ Type<th>Java Type<th>Python Type<th>Go Type<th>Rust Type<tbody><tr><td><code>bool</code><td><code>boolean</code><td><code>bool</code><td><code>bool</code><td><code>bool</code><tr><td><code>int8_t</code><td><code>byte</code><td><code>int</code><td><code>int8</code><td><code>i8</code><tr><td><code>int16_t</code><td><code>short</code><td><code>int</code><td><code>int16</code><td><code>i16</code><tr><td><code>int32_t</code><td><code>int</code><td><code>int</code><td><code>int32</code><td><code>i32</code><tr><td><code>int64_t</code><td><code>long</code><td><code>int</code><td><code>int64</code><td><code>i64</code><tr><td><code>float</code><td><code>float</code><td><code>float</code><td><code>float32</code><td><code>f32</code><tr><td><code>double</code><td><code>double</code><td><code>float</code><td><code>float64</code><td><code>f64</code><tr><td><code>fory::float16_t</code><td><code>Float16</code><td><code>pyfory.Float16</code><td><code>float16.Float16</code><td><code>Float16</code><tr><td><code>fory::bfloat16_t</code><td><code>BFloat16</code><td><code>pyfory.BFloat16</code><td><code>bfloat16.BFloat16</code><td><code>BFloat16</code></table> |
| <h4 class="anchor anchorTargetStickyNavbar_Vzrq" id=字符串类型>字符串类型<a href=#字符串类型 class=hash-link aria-label=字符串类型的直接链接 title=字符串类型的直接链接 translate=no></a></h4> |
| <table><thead><tr><th>C++ Type<th>Java Type<th>Python Type<th>Go Type<th>Rust Type<tbody><tr><td><code>std::string</code><td><code>String</code><td><code>str</code><td><code>string</code><td><code>String</code></table> |
| <h4 class="anchor anchorTargetStickyNavbar_Vzrq" id=集合类型>集合类型<a href=#集合类型 class=hash-link aria-label=集合类型的直接链接 title=集合类型的直接链接 translate=no></a></h4> |
| <table><thead><tr><th>C++ Type<th>Java Type<th>Python Type<th>Go Type<th>Rust Type<tbody><tr><td><code>std::vector<T></code><td><code>List<T></code><td><code>list</code><td><code>[]T</code><td><code>Vec<T></code><tr><td><code>std::vector<fory::float16_t></code><td><code>Float16List</code><td><code>Float16Array</code><td><code>[]float16.Float16</code><td><code>Vec<Float16></code><tr><td><code>std::vector<fory::bfloat16_t></code><td><code>BFloat16List</code><td><code>BFloat16Array</code><td><code>[]bfloat16.BFloat16</code><td><code>Vec<BFloat16></code><tr><td><code>std::set<T></code><td><code>Set<T></code><td><code>set</code><td><code>map[T]struct{}</code><td><code>HashSet<T></code><tr><td><code>std::map<K,V></code> / <code>std::unordered_map<K,V></code><td><code>Map<K,V></code><td><code>dict</code><td><code>map[K]V</code><td><code>HashMap<K,V></code></table> |
| <h4 class="anchor anchorTargetStickyNavbar_Vzrq" id=列表与稠密数组>列表与稠密数组<a href=#列表与稠密数组 class=hash-link aria-label=列表与稠密数组的直接链接 title=列表与稠密数组的直接链接 translate=no></a></h4> |
| <p>在手写 C++ 结构体中，<code>std::vector<T></code> 默认映射到 Fory <code>list<T></code>。当 Schema 是稠密 <code>array<T></code> 时，请使用字段元数据 DSL 的数组节点。</p> |
| <table><thead><tr><th>Fory Schema<th>C++ 元数据示例<tbody><tr><td><code>list<int32></code><td><code>fory::F(id).list(fory::T::int32())</code><tr><td><code>array<bool></code><td><code>fory::F(id).array(fory::T::bool_())</code><tr><td><code>array<int8></code><td><code>fory::F(id).array(fory::T::int8())</code><tr><td><code>array<int16></code><td><code>fory::F(id).array(fory::T::int16())</code><tr><td><code>array<int32></code><td><code>fory::F(id).array(fory::T::int32())</code><tr><td><code>array<int64></code><td><code>fory::F(id).array(fory::T::int64())</code><tr><td><code>array<uint8></code><td><code>fory::F(id).array(fory::T::uint8())</code><tr><td><code>array<uint16></code><td><code>fory::F(id).array(fory::T::uint16())</code><tr><td><code>array<uint32></code><td><code>fory::F(id).array(fory::T::uint32())</code><tr><td><code>array<uint64></code><td><code>fory::F(id).array(fory::T::uint64())</code><tr><td><code>array<float16></code><td><code>fory::F(id).array(fory::T::float16())</code><tr><td><code>array<bfloat16></code><td><code>fory::F(id).array(fory::T::bfloat16())</code><tr><td><code>array<float32></code><td><code>fory::F(id).array(fory::T::float32())</code><tr><td><code>array<float64></code><td><code>fory::F(id).array(fory::T::float64())</code></table> |
| <h4 class="anchor anchorTargetStickyNavbar_Vzrq" id=时间类型>时间类型<a href=#时间类型 class=hash-link aria-label=时间类型的直接链接 title=时间类型的直接链接 translate=no></a></h4> |
| <table><thead><tr><th>C++ Type<th>Java Type<th>Python Type<th>Go Type<tbody><tr><td><code>fory::Timestamp</code><td><code>Instant</code><td><code>datetime</code><td><code>time.Time</code><tr><td><code>fory::Duration</code><td><code>Duration</code><td><code>timedelta</code><td><code>time.Duration</code><tr><td><code>fory::Date</code><td><code>LocalDate</code><td><code>datetime.date</code><td><code>time.Time</code></table> |
| <h3 class="anchor anchorTargetStickyNavbar_Vzrq" id=字段顺序要求>字段顺序要求<a href=#字段顺序要求 class=hash-link aria-label=字段顺序要求的直接链接 title=字段顺序要求的直接链接 translate=no></a></h3> |
| <p>**重要：**字段按 snake_case 字段名称排序，转换后的名称必须在各语言之间一致。</p> |
| <h4 class="anchor anchorTargetStickyNavbar_Vzrq" id=c>C++<a href=#c class=hash-link aria-label=C++的直接链接 title=C++的直接链接 translate=no></a></h4> |
| <div class="language-cpp codeBlockContainer_Ckt0 theme-code-block" style=--prism-color:#393A34;--prism-background-color:#f6f8fa><div class=codeBlockContent_QJqH><pre tabindex=0 class="prism-code language-cpp codeBlock_bY9V thin-scrollbar" style=color:#393A34;background-color:#f6f8fa><code class=codeBlockLines_e6Vv><div class=token-line style=color:#393A34><span class="token keyword" style=color:#00009f>struct</span><span class="token plain"> </span><span class="token class-name">Person</span><span class="token plain"> </span><span class="token punctuation" style=color:#393A34>{</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> std</span><span class="token double-colon punctuation" style=color:#393A34>::</span><span class="token plain">string name</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"> </span><span class="token comment" style=color:#999988;font-style:italic>// Field 0</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token keyword" style=color:#00009f>int32_t</span><span class="token plain"> age</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"> </span><span class="token comment" style=color:#999988;font-style:italic>// Field 1</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> std</span><span class="token double-colon punctuation" style=color:#393A34>::</span><span class="token plain">string email</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"> </span><span class="token comment" style=color:#999988;font-style:italic>// Field 2</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"></span><span class="token punctuation" style=color:#393A34>}</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"></span><span class="token function" style=color:#d73a49>FORY_STRUCT</span><span class="token punctuation" style=color:#393A34>(</span><span class="token plain">Person</span><span class="token punctuation" style=color:#393A34>,</span><span class="token plain"> name</span><span class="token punctuation" style=color:#393A34>,</span><span class="token plain"> age</span><span class="token punctuation" style=color:#393A34>,</span><span class="token plain"> email</span><span class="token punctuation" style=color:#393A34>)</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"> </span><span class="token comment" style=color:#999988;font-style:italic>// Order matters!</span><br/></div></code></pre></div></div> |
| <h4 class="anchor anchorTargetStickyNavbar_Vzrq" id=java>Java<a href=#java class=hash-link aria-label=Java的直接链接 title=Java的直接链接 translate=no></a></h4> |
| <div class="language-java codeBlockContainer_Ckt0 theme-code-block" style=--prism-color:#393A34;--prism-background-color:#f6f8fa><div class=codeBlockContent_QJqH><pre tabindex=0 class="prism-code language-java codeBlock_bY9V thin-scrollbar" style=color:#393A34;background-color:#f6f8fa><code class=codeBlockLines_e6Vv><div class=token-line style=color:#393A34><span class="token keyword" style=color:#00009f>public</span><span class="token plain"> </span><span class="token keyword" style=color:#00009f>class</span><span class="token plain"> </span><span class="token class-name">Person</span><span class="token plain"> </span><span class="token punctuation" style=color:#393A34>{</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token keyword" style=color:#00009f>public</span><span class="token plain"> </span><span class="token class-name">String</span><span class="token plain"> name</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"> </span><span class="token comment" style=color:#999988;font-style:italic>// Field 0</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token keyword" style=color:#00009f>public</span><span class="token plain"> </span><span class="token keyword" style=color:#00009f>int</span><span class="token plain"> age</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"> </span><span class="token comment" style=color:#999988;font-style:italic>// Field 1</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token keyword" style=color:#00009f>public</span><span class="token plain"> </span><span class="token class-name">String</span><span class="token plain"> email</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"> </span><span class="token comment" style=color:#999988;font-style:italic>// Field 2</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"></span><span class="token punctuation" style=color:#393A34>}</span><br/></div></code></pre></div></div> |
| <h4 class="anchor anchorTargetStickyNavbar_Vzrq" id=python>Python<a href=#python class=hash-link aria-label=Python的直接链接 title=Python的直接链接 translate=no></a></h4> |
| <div class="language-python codeBlockContainer_Ckt0 theme-code-block" style=--prism-color:#393A34;--prism-background-color:#f6f8fa><div class=codeBlockContent_QJqH><pre tabindex=0 class="prism-code language-python codeBlock_bY9V thin-scrollbar" style=color:#393A34;background-color:#f6f8fa><code class=codeBlockLines_e6Vv><div class=token-line style=color:#393A34><span class="token keyword" style=color:#00009f>class</span><span class="token plain"> </span><span class="token class-name">Person</span><span class="token punctuation" style=color:#393A34>:</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> name</span><span class="token punctuation" style=color:#393A34>:</span><span class="token plain"> </span><span class="token builtin">str</span><span class="token plain"> </span><span class="token comment" style=color:#999988;font-style:italic># Field 0</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> age</span><span class="token punctuation" style=color:#393A34>:</span><span class="token plain"> </span><span class="token builtin">int</span><span class="token plain"> </span><span class="token comment" style=color:#999988;font-style:italic># Field 1</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> email</span><span class="token punctuation" style=color:#393A34>:</span><span class="token plain"> </span><span class="token builtin">str</span><span class="token plain"> </span><span class="token comment" style=color:#999988;font-style:italic># Field 2</span><br/></div></code></pre></div></div> |
| <h3 class="anchor anchorTargetStickyNavbar_Vzrq" id=类型-id-一致性>类型 ID 一致性<a href=#类型-id-一致性 class=hash-link aria-label="类型 ID 一致性的直接链接" title="类型 ID 一致性的直接链接" translate=no></a></h3> |
| <p>所有语言都必须使用相同的类型 ID：</p> |
| <div class="language-cpp codeBlockContainer_Ckt0 theme-code-block" style=--prism-color:#393A34;--prism-background-color:#f6f8fa><div class=codeBlockContent_QJqH><pre tabindex=0 class="prism-code language-cpp codeBlock_bY9V thin-scrollbar" style=color:#393A34;background-color:#f6f8fa><code class=codeBlockLines_e6Vv><div class=token-line style=color:#393A34><span class="token comment" style=color:#999988;font-style:italic>// C++</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain">fory</span><span class="token punctuation" style=color:#393A34>.</span><span class="token generic-function function" style=color:#d73a49>register_struct</span><span class="token generic-function generic class-name operator" style=color:#393A34><</span><span class="token generic-function generic class-name">Person</span><span class="token generic-function generic class-name operator" style=color:#393A34>></span><span class="token punctuation" style=color:#393A34>(</span><span class="token number" style=color:#36acaa>100</span><span class="token punctuation" style=color:#393A34>)</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain">fory</span><span class="token punctuation" style=color:#393A34>.</span><span class="token generic-function function" style=color:#d73a49>register_struct</span><span class="token generic-function generic class-name operator" style=color:#393A34><</span><span class="token generic-function generic class-name">Address</span><span class="token generic-function generic class-name operator" style=color:#393A34>></span><span class="token punctuation" style=color:#393A34>(</span><span class="token number" style=color:#36acaa>101</span><span class="token punctuation" style=color:#393A34>)</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain">fory</span><span class="token punctuation" style=color:#393A34>.</span><span class="token generic-function function" style=color:#d73a49>register_struct</span><span class="token generic-function generic class-name operator" style=color:#393A34><</span><span class="token generic-function generic class-name">Order</span><span class="token generic-function generic class-name operator" style=color:#393A34>></span><span class="token punctuation" style=color:#393A34>(</span><span class="token number" style=color:#36acaa>102</span><span class="token punctuation" style=color:#393A34>)</span><span class="token punctuation" style=color:#393A34>;</span><br/></div></code></pre></div></div> |
| <div class="language-java codeBlockContainer_Ckt0 theme-code-block" style=--prism-color:#393A34;--prism-background-color:#f6f8fa><div class=codeBlockContent_QJqH><pre tabindex=0 class="prism-code language-java codeBlock_bY9V thin-scrollbar" style=color:#393A34;background-color:#f6f8fa><code class=codeBlockLines_e6Vv><div class=token-line style=color:#393A34><span class="token comment" style=color:#999988;font-style:italic>// Java</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain">fory</span><span class="token punctuation" style=color:#393A34>.</span><span class="token function" style=color:#d73a49>register</span><span class="token punctuation" style=color:#393A34>(</span><span class="token class-name">Person</span><span class="token punctuation" style=color:#393A34>.</span><span class="token keyword" style=color:#00009f>class</span><span class="token punctuation" style=color:#393A34>,</span><span class="token plain"> </span><span class="token number" style=color:#36acaa>100</span><span class="token punctuation" style=color:#393A34>)</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain">fory</span><span class="token punctuation" style=color:#393A34>.</span><span class="token function" style=color:#d73a49>register</span><span class="token punctuation" style=color:#393A34>(</span><span class="token class-name">Address</span><span class="token punctuation" style=color:#393A34>.</span><span class="token keyword" style=color:#00009f>class</span><span class="token punctuation" style=color:#393A34>,</span><span class="token plain"> </span><span class="token number" style=color:#36acaa>101</span><span class="token punctuation" style=color:#393A34>)</span><span class="token punctuation" style=color:#393A34>;</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain">fory</span><span class="token punctuation" style=color:#393A34>.</span><span class="token function" style=color:#d73a49>register</span><span class="token punctuation" style=color:#393A34>(</span><span class="token class-name">Order</span><span class="token punctuation" style=color:#393A34>.</span><span class="token keyword" style=color:#00009f>class</span><span class="token punctuation" style=color:#393A34>,</span><span class="token plain"> </span><span class="token number" style=color:#36acaa>102</span><span class="token punctuation" style=color:#393A34>)</span><span class="token punctuation" style=color:#393A34>;</span><br/></div></code></pre></div></div> |
| <div class="language-python codeBlockContainer_Ckt0 theme-code-block" style=--prism-color:#393A34;--prism-background-color:#f6f8fa><div class=codeBlockContent_QJqH><pre tabindex=0 class="prism-code language-python codeBlock_bY9V thin-scrollbar" style=color:#393A34;background-color:#f6f8fa><code class=codeBlockLines_e6Vv><div class=token-line style=color:#393A34><span class="token comment" style=color:#999988;font-style:italic># Python</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain">fory</span><span class="token punctuation" style=color:#393A34>.</span><span class="token plain">register</span><span class="token punctuation" style=color:#393A34>(</span><span class="token plain">Person</span><span class="token punctuation" style=color:#393A34>,</span><span class="token plain"> type_id</span><span class="token operator" style=color:#393A34>=</span><span class="token number" style=color:#36acaa>100</span><span class="token punctuation" style=color:#393A34>)</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain">fory</span><span class="token punctuation" style=color:#393A34>.</span><span class="token plain">register</span><span class="token punctuation" style=color:#393A34>(</span><span class="token plain">Address</span><span class="token punctuation" style=color:#393A34>,</span><span class="token plain"> type_id</span><span class="token operator" style=color:#393A34>=</span><span class="token number" style=color:#36acaa>101</span><span class="token punctuation" style=color:#393A34>)</span><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain">fory</span><span class="token punctuation" style=color:#393A34>.</span><span class="token plain">register</span><span class="token punctuation" style=color:#393A34>(</span><span class="token plain">Order</span><span class="token punctuation" style=color:#393A34>,</span><span class="token plain"> type_id</span><span class="token operator" style=color:#393A34>=</span><span class="token number" style=color:#36acaa>102</span><span class="token punctuation" style=color:#393A34>)</span><br/></div></code></pre></div></div> |
| <h3 class="anchor anchorTargetStickyNavbar_Vzrq" id=兼容模式>兼容模式<a href=#兼容模式 class=hash-link aria-label=兼容模式的直接链接 title=兼容模式的直接链接 translate=no></a></h3> |
| <p>跨语言模式默认已使用兼容 Schema 演进。对于可能独立演进的 Schema，请保留该默认设置：</p> |
| <div class="language-cpp codeBlockContainer_Ckt0 theme-code-block" style=--prism-color:#393A34;--prism-background-color:#f6f8fa><div class=codeBlockContent_QJqH><pre tabindex=0 class="prism-code language-cpp codeBlock_bY9V thin-scrollbar" style=color:#393A34;background-color:#f6f8fa><code class=codeBlockLines_e6Vv><div class=token-line style=color:#393A34><span class="token keyword" style=color:#00009f>auto</span><span class="token plain"> fory </span><span class="token operator" style=color:#393A34>=</span><span class="token plain"> </span><span class="token class-name">Fory</span><span class="token double-colon punctuation" style=color:#393A34>::</span><span class="token function" style=color:#d73a49>builder</span><span class="token punctuation" style=color:#393A34>(</span><span class="token punctuation" style=color:#393A34>)</span><span class="token punctuation" style=color:#393A34>.</span><span class="token function" style=color:#d73a49>xlang</span><span class="token punctuation" style=color:#393A34>(</span><span class="token boolean" style=color:#36acaa>true</span><span class="token punctuation" style=color:#393A34>)</span><span class="token punctuation" style=color:#393A34>.</span><span class="token function" style=color:#d73a49>build</span><span class="token punctuation" style=color:#393A34>(</span><span class="token punctuation" style=color:#393A34>)</span><span class="token punctuation" style=color:#393A34>;</span><br/></div></code></pre></div></div> |
| <p>兼容模式允许：</p> |
| <ul> |
| <li class="">添加新字段（带默认值）</li> |
| <li class="">删除未使用的字段</li> |
| <li class="">重排字段</li> |
| </ul> |
| <h3 class="anchor anchorTargetStickyNavbar_Vzrq" id=互操作故障排查>互操作故障排查<a href=#互操作故障排查 class=hash-link aria-label=互操作故障排查的直接链接 title=互操作故障排查的直接链接 translate=no></a></h3> |
| <h4 class="anchor anchorTargetStickyNavbar_Vzrq" id=类型不匹配错误>类型不匹配错误<a href=#类型不匹配错误 class=hash-link aria-label=类型不匹配错误的直接链接 title=类型不匹配错误的直接链接 translate=no></a></h4> |
| <div class="language-text codeBlockContainer_Ckt0 theme-code-block" style=--prism-color:#393A34;--prism-background-color:#f6f8fa><div class=codeBlockContent_QJqH><pre tabindex=0 class="prism-code language-text codeBlock_bY9V thin-scrollbar" style=color:#393A34;background-color:#f6f8fa><code class=codeBlockLines_e6Vv><div class=token-line style=color:#393A34><span class="token plain">Error: Type mismatch: expected 100, got 101</span><br/></div></code></pre></div></div> |
| <p>**解决方案：**确保所有语言的类型 ID 一致。</p> |
| <h4 class="anchor anchorTargetStickyNavbar_Vzrq" id=编码错误>编码错误<a href=#编码错误 class=hash-link aria-label=编码错误的直接链接 title=编码错误的直接链接 translate=no></a></h4> |
| <div class="language-text codeBlockContainer_Ckt0 theme-code-block" style=--prism-color:#393A34;--prism-background-color:#f6f8fa><div class=codeBlockContent_QJqH><pre tabindex=0 class="prism-code language-text codeBlock_bY9V thin-scrollbar" style=color:#393A34;background-color:#f6f8fa><code class=codeBlockLines_e6Vv><div class=token-line style=color:#393A34><span class="token plain">Error: Invalid UTF-8 sequence</span><br/></div></code></pre></div></div> |
| <p>**解决方案：**确保所有语言中的字符串都是有效的 UTF-8。</p> |
| <h3 class="anchor anchorTargetStickyNavbar_Vzrq" id=相关指南>相关指南<a href=#相关指南 class=hash-link aria-label=相关指南的直接链接 title=相关指南的直接链接 translate=no></a></h3> |
| <ul> |
| <li class=""><a class="" href=/zh-CN/docs/object-serialization/cpp/configuration>配置</a> - 构建器选项</li> |
| <li class=""><a class="" href=/zh-CN/docs/object-serialization/cpp/type-registration>类型注册</a> - 注册类型</li> |
| <li class=""><a class="" href=/zh-CN/docs/object-serialization/cpp/supported-types>支持的类型</a> - 类型兼容性</li> |
| </ul> |
| <h2 class="anchor anchorTargetStickyNavbar_Vzrq" id=相关主题>相关主题<a href=#相关主题 class=hash-link aria-label=相关主题的直接链接 title=相关主题的直接链接 translate=no></a></h2> |
| <ul> |
| <li class=""><a class="" href=/zh-CN/docs/object-serialization/cpp/configuration>配置</a> - 构建器选项</li> |
| <li class=""><a class="" href=/zh-CN/docs/object-serialization/cpp/type-registration>类型注册</a> - 注册类型</li> |
| <li class=""><a class="" href=/zh-CN/docs/object-serialization/cpp/supported-types>支持的类型</a> - 所有支持的类型</li> |
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class="table-of-contents__link toc-highlight">访问器属性</a></ul><li><a href=#外部第三方类型 class="table-of-contents__link toc-highlight">外部/第三方类型</a><li><a href=#继承字段 class="table-of-contents__link toc-highlight">继承字段</a><li><a href=#嵌套结构体 class="table-of-contents__link toc-highlight">嵌套结构体</a><li><a href=#性能技巧 class="table-of-contents__link toc-highlight">性能技巧</a><li><a href=#cross-language-interoperability class="table-of-contents__link toc-highlight">跨语言互操作</a><ul><li><a href=#概述 class="table-of-contents__link toc-highlight">概述</a><li><a href=#xlang-配置 class="table-of-contents__link toc-highlight">Xlang 配置</a><li><a href=#跨语言示例 class="table-of-contents__link toc-highlight">跨语言示例</a><li><a href=#类型映射 class="table-of-contents__link toc-highlight">类型映射</a><li><a href=#字段顺序要求 class="table-of-contents__link toc-highlight">字段顺序要求</a><li><a href=#类型-id-一致性 class="table-of-contents__link toc-highlight">类型 ID 一致性</a><li><a href=#兼容模式 class="table-of-contents__link toc-highlight">兼容模式</a><li><a 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