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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/java/><span>Java</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>本页介绍 Java 跨语言模式快速入门。跨语言模式是 Java 的默认编码格式，也是处理跨语言载荷时的首选。</p> |
| <h2 class="anchor anchorTargetStickyNavbar_Vzrq" id=创建-fory-实例>创建 Fory 实例<a href=#创建-fory-实例 class=hash-link aria-label="创建 Fory 实例的直接链接" title="创建 Fory 实例的直接链接" translate=no></a></h2> |
| <p>创建单线程跨语言 Fory 实例时，请显式设置模式：</p> |
| <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 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>requireClassRegistration</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><br/></div></code></pre></div></div> |
| <p>创建线程安全的 Fory 实例时，使用同一个构建器构建 <code>ThreadSafeFory</code>：</p> |
| <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">ThreadSafeFory</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">ThreadSafeFory</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>requireClassRegistration</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>buildThreadSafeFory</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>Java 默认的跨语言模式也默认启用兼容 Schema 模式，因此独立部署的服务可以在 Schema 元数据保持兼容时增删字段。仅当所有读取端和写入端始终使用相同 Schema，并且希望获得更快的序列化速度和更小的体积时，才使用 <code>withCompatible(false)</code>。只有在确认所有语言使用相同的跨语言 Schema，或原生类型由 Fory Schema IDL 生成时，才应选择 <code>compatible=false</code>。</p> |
| <h2 class="anchor anchorTargetStickyNavbar_Vzrq" id=注册自定义类型>注册自定义类型<a href=#注册自定义类型 class=hash-link aria-label=注册自定义类型的直接链接 title=注册自定义类型的直接链接 translate=no></a></h2> |
| <p>在每个对等端以相同的类型标识注册应用类。数字 ID 紧凑且快速，而名称注册更便于在独立维护的服务之间协调。</p> |
| <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 namespace" style=opacity:0.7>annotation</span><span class="token import namespace punctuation" style=opacity:0.7;color:#393A34>.</span><span class="token import class-name">ForyField</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">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 annotation punctuation" style=color:#393A34>@ForyField</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"> </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 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><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 annotation punctuation" style=color:#393A34>@ForyField</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"> </span><span class="token number" style=color:#36acaa>1</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>int</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"></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">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>requireClassRegistration</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" style=display:inline-block></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">User</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 string" style=color:#e3116c>"example"</span><span class="token punctuation" style=color:#393A34>,</span><span class="token plain"> </span><span class="token string" style=color:#e3116c>"User"</span><span class="token punctuation" style=color:#393A34>)</span><span class="token punctuation" style=color:#393A34>;</span><br/></div></code></pre></div></div> |
| <p>长期使用的 Schema 应采用字段 ID，这样即使 Java 字段名发生变化，字段标识仍保持稳定。Java 注解、可空性、引用跟踪和枚举元数据参见 <a class="" href=/zh-CN/docs/object-serialization/java/schema-metadata>Schema 元数据</a>。</p> |
| <h2 class="anchor anchorTargetStickyNavbar_Vzrq" id=序列化与反序列化>序列化与反序列化<a href=#序列化与反序列化 class=hash-link aria-label=序列化与反序列化的直接链接 title=序列化与反序列化的直接链接 translate=no></a></h2> |
| <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 class-name">User</span><span class="token plain"> user </span><span class="token operator" style=color:#393A34>=</span><span class="token plain"> </span><span class="token keyword" style=color:#00009f>new</span><span class="token plain"> </span><span class="token class-name">User</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">user</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"> </span><span class="token string" style=color:#e3116c>"Alice"</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">user</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><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" 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"> 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">user</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">User</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 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 plain"> </span><span class="token class-name">User</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 punctuation" style=color:#393A34>;</span><br/></div></code></pre></div></div> |
| <p>跨语言字节在不同语言之间传递时，每个对等端都必须注册相同的类型标识和兼容的字段元数据。 |
| 共享规则参见<a class="" href=/zh-CN/docs/object-serialization/xlang>跨语言互操作</a>，Java 特定的互操作要求见下文。</p> |
| <h2 class="anchor anchorTargetStickyNavbar_Vzrq" id=对仅限-java-的流量使用原生序列化>对仅限 Java 的流量使用原生序列化<a href=#对仅限-java-的流量使用原生序列化 class=hash-link aria-label="对仅限 Java 的流量使用原生序列化的直接链接" title="对仅限 Java 的流量使用原生序列化的直接链接" translate=no></a></h2> |
| <p>对于同语言的 Java/JVM 流量，原生模式通常更合适：</p> |
| <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 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>false</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><br/></div></code></pre></div></div> |
| <p>原生模式支持广泛的 Java 对象序列化能力，包括 JDK 序列化钩子、对象复制和原生模式零拷贝缓冲区。参见<a class="" href=/zh-CN/docs/object-serialization/java/native>原生序列化</a>。</p> |
| <h2 class="anchor anchorTargetStickyNavbar_Vzrq" id=常用选项>常用选项<a href=#常用选项 class=hash-link aria-label=常用选项的直接链接 title=常用选项的直接链接 translate=no></a></h2> |
| <ul> |
| <li class=""><code>withRefTracking(true)</code> 保留共享引用和循环引用。</li> |
| <li class=""><code>requireClassRegistration(true)</code> 保持默认的已注册类型策略。</li> |
| <li class="">原生模式和跨语言载荷默认启用兼容模式。仅当所有读取端和写入端使用相同 Schema，且希望获得更快速度和更小体积时，才使用 <code>withCompatible(false)</code>。对于跨语言载荷，只有在确认所有语言使用相同 Schema，或原生类型由 Fory Schema IDL 生成时，才应选择 <code>compatible=false</code>。</li> |
| <li class=""><code>withAsyncCompilation(true)</code> 在受支持的平台上启用异步序列化器编译。</li> |
| </ul> |
| <h2 class="anchor anchorTargetStickyNavbar_Vzrq" id=最佳实践>最佳实践<a href=#最佳实践 class=hash-link aria-label=最佳实践的直接链接 title=最佳实践的直接链接 translate=no></a></h2> |
| <ol> |
| <li class=""><strong>复用 Fory 实例</strong>：创建 Fory 的开销较大，应始终复用实例</li> |
| <li class=""><strong>选择合适的线程安全方式</strong>：根据需求选择单线程或线程安全实现</li> |
| <li class=""><strong>注册类</strong>：在每个跨语言对等端保持稳定的类型标识</li> |
| <li class=""><strong>配置引用跟踪</strong>：仅当对象图需要保持对象标识或循环引用时启用</li> |
| </ol> |
| <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>Apache Fory™ 跨语言序列化是 Java 为必须由 Python、Rust、Go、JavaScript/TypeScript、C++、C#、Swift、Dart、Scala、Kotlin 或其他非 Java Fory 实现读取的载荷提供的编码模式。Java 默认使用支持兼容 Schema 演进的跨语言模式，但示例会显式设置模式，以便在代码中清楚表达载荷契约。</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>每种配置使用一个长期存活的 <code>Fory</code> 或 <code>ThreadSafeFory</code> 实例。Fory 会缓存类型元数据和生成的序列化器，因此创建实例开销较高。</p> |
| <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 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>requireClassRegistration</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>withRefTracking</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><br/></div></code></pre></div></div> |
| <p>仅当跨语言数据模型包含共享对象标识或循环时，才需要 <code>withRefTracking(true)</code>。值形 Schema 应将其禁用。</p> |
| <p>如果所有写入端和读取端都是 Java，并且载荷需要保留 Java 专用对象行为，请改用<a class="" href=/zh-CN/docs/object-serialization/java/native>原生序列化</a>。</p> |
| <h3 class="anchor anchorTargetStickyNavbar_Vzrq" id=注册类型>注册类型<a href=#注册类型 class=hash-link aria-label=注册类型的直接链接 title=注册类型的直接链接 translate=no></a></h3> |
| <p>所有语言都必须使用一致的 ID 或名称注册类型。Fory 支持两种注册方法。</p> |
| <h4 class="anchor anchorTargetStickyNavbar_Vzrq" id=按-id-注册追求性能时推荐>按 ID 注册（追求性能时推荐）<a href=#按-id-注册追求性能时推荐 class=hash-link aria-label="按 ID 注册（追求性能时推荐）的直接链接" title="按 ID 注册（追求性能时推荐）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>record</span><span class="token plain"> </span><span class="token class-name">Person</span><span class="token punctuation" style=color:#393A34>(</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 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 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>// Numeric ID registration is compact and fast.</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>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"></span><span class="token class-name">Person</span><span class="token plain"> person </span><span class="token operator" style=color:#393A34>=</span><span class="token plain"> </span><span class="token keyword" style=color:#00009f>new</span><span class="token plain"> </span><span class="token class-name">Person</span><span class="token punctuation" style=color:#393A34>(</span><span class="token string" style=color:#e3116c>"Alice"</span><span class="token punctuation" style=color:#393A34>,</span><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 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>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"> 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 comment" style=color:#999988;font-style:italic>// bytes can be deserialized by Python, Rust, Go, etc.</span><br/></div></code></pre></div></div> |
| <p>优点：序列化更快，二进制体积更小。</p> |
| <p>权衡：每个服务都必须协调 ID，确保同一逻辑类型使用相同数字。</p> |
| <h4 class="anchor anchorTargetStickyNavbar_Vzrq" id=按名称注册追求灵活性时推荐>按名称注册（追求灵活性时推荐）<a href=#按名称注册追求灵活性时推荐 class=hash-link aria-label=按名称注册（追求灵活性时推荐）的直接链接 title=按名称注册（追求灵活性时推荐）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>record</span><span class="token plain"> </span><span class="token class-name">Person</span><span class="token punctuation" style=color:#393A34>(</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 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 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>// Namespace/type-name registration is easier to coordinate across teams.</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 string" style=color:#e3116c>"example"</span><span class="token punctuation" style=color:#393A34>,</span><span class="token plain"> </span><span class="token string" style=color:#e3116c>"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" style=display:inline-block></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"></span><span class="token class-name">Person</span><span class="token plain"> person </span><span class="token operator" style=color:#393A34>=</span><span class="token plain"> </span><span class="token keyword" style=color:#00009f>new</span><span class="token plain"> </span><span class="token class-name">Person</span><span class="token punctuation" style=color:#393A34>(</span><span class="token string" style=color:#e3116c>"Alice"</span><span class="token punctuation" style=color:#393A34>,</span><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 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>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"> 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 comment" style=color:#999988;font-style:italic>// bytes can be deserialized by Python, Rust, Go, etc.</span><br/></div></code></pre></div></div> |
| <p>优点：数字 ID 冲突风险较低，更便于跨独立维护的服务进行管理。</p> |
| <p>权衡：载荷包含字符串标识，因此比按 ID 注册更大。</p> |
| <p>Java API 也支持单个字符串类型名，例如 <code>fory.register(Person.class, "example.Person")</code>。每个对等端都应使用相同的逻辑标识。</p> |
| <h3 class="anchor anchorTargetStickyNavbar_Vzrq" id=java-到-python-示例>Java 到 Python 示例<a href=#java-到-python-示例 class=hash-link aria-label="Java 到 Python 示�例的直接链接" title="Java 到 Python 示例的直接链接" translate=no></a></h3> |
| <h4 class="anchor anchorTargetStickyNavbar_Vzrq" id=java序列化端>Java（序列化端）<a href=#java序列化端 class=hash-link aria-label=Java（序列化端）的直接链接 title=Java（序列化端）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"></span><span class="token keyword" style=color:#00009f>import</span><span class="token plain"> </span><span class="token import namespace" style=opacity:0.7>java</span><span class="token import namespace punctuation" style=opacity:0.7;color:#393A34>.</span><span class="token import namespace" style=opacity:0.7>nio</span><span class="token import namespace punctuation" style=opacity:0.7;color:#393A34>.</span><span class="token import namespace" style=opacity:0.7>file</span><span class="token import namespace punctuation" style=opacity:0.7;color:#393A34>.</span><span class="token import class-name">Files</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>import</span><span class="token plain"> </span><span class="token import namespace" style=opacity:0.7>java</span><span class="token import namespace punctuation" style=opacity:0.7;color:#393A34>.</span><span class="token import namespace" style=opacity:0.7>nio</span><span class="token import namespace punctuation" style=opacity:0.7;color:#393A34>.</span><span class="token import namespace" style=opacity:0.7>file</span><span class="token import namespace punctuation" style=opacity:0.7;color:#393A34>.</span><span class="token import class-name">Path</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>record</span><span class="token plain"> </span><span class="token class-name">Person</span><span class="token punctuation" style=color:#393A34>(</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 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 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>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">Example</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>withRefTracking</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" 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>// Register with the same logical name used by 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 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 string" style=color:#e3116c>"example.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" style=display:inline-block></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token class-name">Person</span><span class="token plain"> person </span><span class="token operator" style=color:#393A34>=</span><span class="token plain"> </span><span class="token keyword" style=color:#00009f>new</span><span class="token plain"> </span><span class="token class-name">Person</span><span class="token punctuation" style=color:#393A34>(</span><span class="token string" style=color:#e3116c>"Bob"</span><span class="token punctuation" style=color:#393A34>,</span><span class="token plain"> </span><span class="token number" style=color:#36acaa>25</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>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"> 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 class-name">Files</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 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>"person.bin"</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 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反序列化端>Python（反序列化端）<a href=#python反序列化端 class=hash-link aria-label=Python（反序列化端）的直接链接 title=Python（反序列化端）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"></span><span class="token keyword" style=color:#00009f>from</span><span class="token plain"> dataclasses </span><span class="token keyword" style=color:#00009f>import</span><span class="token plain"> dataclass</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 decorator annotation punctuation" style=color:#393A34>@dataclass</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>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><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"> pyfory</span><span class="token punctuation" style=color:#393A34>.</span><span class="token plain">Int32</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"> ref</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" 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># Register with the same name as 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 plain">register_type</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 operator" style=color:#393A34>=</span><span class="token string" style=color:#e3116c>"example.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" 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>"person.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"> input_file</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"> person </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">input_file</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 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"</span><span class="token string-interpolation interpolation punctuation" style=color:#393A34>{</span><span class="token string-interpolation interpolation">person</span><span class="token string-interpolation interpolation punctuation" style=color:#393A34>.</span><span class="token string-interpolation interpolation">name</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 string-interpolation interpolation punctuation" style=color:#393A34>{</span><span class="token string-interpolation interpolation">person</span><span class="token string-interpolation interpolation punctuation" style=color:#393A34>.</span><span class="token string-interpolation interpolation">age</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><span class="token comment" style=color:#999988;font-style:italic># Output: Bob, 25</span><br/></div></code></pre></div></div> |
| <h3 class="anchor anchorTargetStickyNavbar_Vzrq" id=处理循环引用和共享引用>处理循环引用和共享引用<a href=#处理循环引用和共享引用 class=hash-link aria-label=处理循环引用和共享引用的直接链接 title=处理循环引用和共享引用的直接链接 translate=no></a></h3> |
| <p>启用引用跟踪时，跨语言模式支持循环引用和共享引用：</p> |
| <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">Node</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"> 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>public</span><span class="token plain"> </span><span class="token class-name">Node</span><span class="token plain"> next</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">Node</span><span class="token plain"> parent</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 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>withRefTracking</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" style=display:inline-block></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">Node</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 string" style=color:#e3116c>"example.Node"</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">Node</span><span class="token plain"> node1 </span><span class="token operator" style=color:#393A34>=</span><span class="token plain"> </span><span class="token keyword" style=color:#00009f>new</span><span class="token plain"> </span><span class="token class-name">Node</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">node1</span><span class="token punctuation" style=color:#393A34>.</span><span class="token plain">value </span><span class="token operator" style=color:#393A34>=</span><span class="token plain"> </span><span class="token string" style=color:#e3116c>"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 class-name">Node</span><span class="token plain"> node2 </span><span class="token operator" style=color:#393A34>=</span><span class="token plain"> </span><span class="token keyword" style=color:#00009f>new</span><span class="token plain"> </span><span class="token class-name">Node</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">node2</span><span class="token punctuation" style=color:#393A34>.</span><span class="token plain">value </span><span class="token operator" style=color:#393A34>=</span><span class="token plain"> </span><span class="token string" style=color:#e3116c>"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">node1</span><span class="token punctuation" style=color:#393A34>.</span><span class="token plain">next </span><span class="token operator" style=color:#393A34>=</span><span class="token plain"> node2</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">node2</span><span class="token punctuation" style=color:#393A34>.</span><span class="token plain">parent </span><span class="token operator" style=color:#393A34>=</span><span class="token plain"> node1</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>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"> 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">node1</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>// Python/Rust/Go can correctly deserialize this with circular references preserved</span><br/></div></code></pre></div></div> |
| <h3 class="anchor anchorTargetStickyNavbar_Vzrq" id=类型映射注意事项>类型映射注意事项<a href=#类型映射注意事项 class=hash-link aria-label=类型映射注意事项的直接链接 title=类型映射注意事项的直接链接 translate=no></a></h3> |
| <p>并非所有 Java 类型在其他语言中都有对应类型。使用跨语言模式时：</p> |
| <ul> |
| <li class="">为获得最佳兼容性，使用原始类型（<code>int</code>、<code>long</code>、<code>double</code>、<code>String</code>）。</li> |
| <li class="">使用标准集合（<code>List</code>、<code>Map</code>、<code>Set</code>），不要使用语言专用集合。</li> |
| <li class="">使用低精度载体（<code>Float16</code>、<code>BFloat16</code>、<code>Float16List</code>、<code>BFloat16List</code>）处理 16 位浮点载荷。</li> |
| <li class="">默认将 <code>Float16[]</code>、<code>BFloat16[]</code>、<code>Float16List</code> 和 <code>BFloat16List</code> 视为 <code>list<T></code> 载体；使用 <code>@ArrayType</code> 可让 Schema 变为 <code>array<float16></code> 或 <code>array<bfloat16></code>。</li> |
| <li class="">除非每种目标语言都有约定的映射，否则避免使用 <code>Optional</code>、<code>BigDecimal</code> 和 <code>EnumSet</code> 等 Java 专用类型。</li> |
| <li class="">完整兼容性矩阵参见<a class="" href=/zh-CN/docs/specification/xlang_type_mapping>类型映射指南</a>。</li> |
| </ul> |
| <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>Java 原始类型数组是稠密 <code>array<T></code> 载体，但普通 <code>byte[]</code> 默认映射为 <code>bytes</code>。常规 Java 集合以及 <code>Int32List</code>、<code>Float16List</code>、<code>BFloat16List</code> 等 Fory 原始类型列表载体使用 <code>list<T></code>，除非字段具有显式 <code>@ArrayType</code> 元数据。</p> |
| <table><thead><tr><th>Fory Schema<th>Java 字段形态<tbody><tr><td><code>list<int32></code><td><code>List<Integer></code> 或 <code>Int32List</code><tr><td><code>array<bool></code><td><code>boolean[]</code><tr><td><code>array<int8></code><td><code>@Int8Type byte[]</code> 类型注解<tr><td><code>array<int16></code><td><code>short[]</code><tr><td><code>array<int32></code><td><code>int[]</code><tr><td><code>array<int64></code><td><code>long[]</code><tr><td><code>array<uint8></code><td><code>@UInt8Type byte[]</code> 类型注解<tr><td><code>array<uint16></code><td><code>@UInt16Type short[]</code> 类型注解<tr><td><code>array<uint32></code><td><code>@UInt32Type int[]</code> 类型注解<tr><td><code>array<uint64></code><td><code>@UInt64Type long[]</code> 类型注解<tr><td><code>array<float16></code><td><code>Float16Array</code> 或 <code>@Float16Type short[]</code><tr><td><code>array<bfloat16></code><td><code>BFloat16Array</code> 或 <code>@BFloat16Type short[]</code><tr><td><code>array<float32></code><td><code>float[]</code><tr><td><code>array<float64></code><td><code>double[]</code></table> |
| <p>原始类型数组注解优先使用类型使用语法：</p> |
| <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>private</span><span class="token plain"> </span><span class="token annotation punctuation" style=color:#393A34>@UInt32Type</span><span class="token plain"> </span><span class="token keyword" style=color:#00009f>int</span><span class="token punctuation" style=color:#393A34>[</span><span class="token punctuation" style=color:#393A34>]</span><span class="token plain"> ids</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>private</span><span class="token plain"> </span><span class="token annotation punctuation" style=color:#393A34>@BFloat16Type</span><span class="token plain"> </span><span class="token keyword" style=color:#00009f>short</span><span class="token punctuation" style=color:#393A34>[</span><span class="token punctuation" style=color:#393A34>]</span><span class="token plain"> values</span><span class="token punctuation" style=color:#393A34>;</span><br/></div></code></pre></div></div> |
| <h4 class="anchor anchorTargetStickyNavbar_Vzrq" id=兼容类型>兼容类型<a href=#兼容类型 class=hash-link aria-label=兼容类型的直接链接 title=兼容类型的直接链接 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>record</span><span class="token plain"> </span><span class="token class-name">UserData</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">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>// compatible</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>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>// compatible</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">List</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 plain"> tags</span><span class="token punctuation" style=color:#393A34>,</span><span class="token plain"> </span><span class="token comment" style=color:#999988;font-style:italic>// compatible</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">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">Integer</span><span class="token generics punctuation" style=color:#393A34>></span><span class="token plain"> scores </span><span class="token comment" style=color:#999988;font-style:italic>// compatible</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 punctuation" style=color:#393A34>{</span><span class="token punctuation" style=color:#393A34>}</span><br/></div></code></pre></div></div> |
| <h4 class="anchor anchorTargetStickyNavbar_Vzrq" id=可能有问题的类型>可能有问题的类型<a href=#可能有问题的类型 class=hash-link aria-label=可能有问题的类型的直接链接 title=可能有问题的类型的直接链接 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>record</span><span class="token plain"> </span><span class="token class-name">UserData</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">Optional</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 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>// not cross-language compatible</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">BigDecimal</span><span class="token plain"> balance</span><span class="token punctuation" style=color:#393A34>,</span><span class="token plain"> </span><span class="token comment" style=color:#999988;font-style:italic>// limited support</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">EnumSet</span><span class="token generics punctuation" style=color:#393A34><</span><span class="token generics class-name">Status</span><span class="token generics punctuation" style=color:#393A34>></span><span class="token plain"> statuses </span><span class="token comment" style=color:#999988;font-style:italic>// Java-specific collection</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 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=性能注意事项>性能注意事项<a href=#性能注意事项 class=hash-link aria-label=性能注意事项的直接链接 title=性能注意事项的直接链接 translate=no></a></h3> |
| <p>与 Java 原生模式相比，跨语言模式存在额外开销：</p> |
| <ul> |
| <li class=""><strong>类型元数据编码</strong>：为每种类型增加额外字节</li> |
| <li class=""><strong>类型解析</strong>：反序列化期间需要查找名称/ID</li> |
| </ul> |
| <p><strong>为获得最佳性能</strong>：</p> |
| <ul> |
| <li class="">尽可能使用<strong>按 ID 注册</strong>（编码更小）</li> |
| <li class="">如果不需要循环引用，<strong>禁用引用跟踪</strong>（<code>withRefTracking(false)</code>）</li> |
| <li class="">仅需要 Java 序列化时，<strong>使用原生模式</strong>（<code>withXlang(false)</code>）</li> |
| </ul> |
| <h3 class="anchor anchorTargetStickyNavbar_Vzrq" id=互操作最佳实践>互操作最佳实践<a href=#互操作最佳实践 class=hash-link aria-label=互操作最佳实践的直接链接 title=互操作最佳实践的直接链接 translate=no></a></h3> |
| <ol> |
| <li class="">为每个用户类型使用显式类型 ID 或命名空间/类型名称。</li> |
| <li class="">独立部署的服务保持兼容模式启用。</li> |
| <li class="">在生产环境依赖某个 Schema 之前，通过每个对等端测试载荷。</li> |
| <li class="">需要 Java 专用对象行为的仅限 Java 流量使用原生序列化。</li> |
| </ol> |
| <h3 class="anchor anchorTargetStickyNavbar_Vzrq" id=互操作故障排除>互操作故障排除<a href=#互操作故障排除 class=hash-link aria-label=互操作故障排除的直接链接 title=互操作故障排除的直接链接 translate=no></a></h3> |
| <h4 class="anchor anchorTargetStickyNavbar_Vzrq" id=类型未注册错误>“类型未注册”错误<a href=#类型未注册错误 class=hash-link aria-label=“类型未注册”错误的直接链接 title=“类型未注册”错误的直接链接 translate=no></a></h4> |
| <ul> |
| <li class="">验证两端是否使用相同 ID/名称注册类型</li> |
| <li class="">检查类型名是否有拼写错误或大小写差异</li> |
| </ul> |
| <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> |
| <ul> |
| <li class="">确保不同语言中的字段类型兼容</li> |
| <li class="">查看<a class="" href=/zh-CN/docs/specification/xlang_type_mapping>类型映射指南</a></li> |
| </ul> |
| <h4 class="anchor anchorTargetStickyNavbar_Vzrq" id=数据损坏或值不符合预期>数据损坏或值不符合预期<a href=#数据损坏或值不符合预期 class=hash-link aria-label=数据损坏或值不符合预期的直接链接 title=数据损坏或值不符合预期的直接链接 translate=no></a></h4> |
| <ul> |
| <li class="">验证两端都使用跨语言载荷</li> |
| <li class="">确保两端使用兼容的 Fory 版本</li> |
| </ul> |
| <h3 class="anchor anchorTargetStickyNavbar_Vzrq" id=规范与参考>规范与参考<a href=#规范与参考 class=hash-link aria-label=规范与参考的直接链接 title=规范与参考的直接链接 translate=no></a></h3> |
| <ul> |
| <li class=""><a class="" href=/zh-CN/docs/specification/xlang_serialization_spec>跨语言序列化规范</a></li> |
| <li class=""><a class="" href=/zh-CN/docs/specification/xlang_type_mapping>类型映射参考</a></li> |
| <li class=""><a class="" href=/zh-CN/docs/object-serialization/python/basic-serialization#cross-language-interoperability>Python 跨语言序列化指南</a></li> |
| <li class=""><a class="" href=/zh-CN/docs/object-serialization/rust/basic-serialization#cross-language-interoperability>Rust 跨语言序列化指南</a></li> |
| </ul> |
| <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/java/schema-evolution>Schema 演进</a> - 兼容模式</li> |
| <li class=""><a class="" href=/zh-CN/docs/object-serialization/java/type-registration>类型注册</a> - 注册方法</li> |
| <li class=""><a class="" href=/zh-CN/docs/object-serialization/java/native>原生序列化</a> - 仅限 Java 的序列化功能</li> |
| <li class=""><a class="" href=/zh-CN/docs/row-format/java>Row Format</a> - 跨语言行格式</li> |
| </ul> |
| <h3 class="anchor anchorTargetStickyNavbar_Vzrq" id=内置值>内置值<a href=#内置值 class=hash-link aria-label=内置值的直接链接 title=内置值的直接链接 translate=no></a></h3> |
| <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 operator" 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>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 namespace" style=opacity:0.7>config</span><span class="token import namespace punctuation" style=opacity:0.7;color:#393A34>.</span><span class="token import operator" 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>import</span><span class="token plain"> </span><span class="token import namespace" style=opacity:0.7>java</span><span class="token import namespace punctuation" style=opacity:0.7;color:#393A34>.</span><span class="token import namespace" style=opacity:0.7>util</span><span class="token import namespace punctuation" style=opacity:0.7;color:#393A34>.</span><span class="token import operator" 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>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">Example1</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 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 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 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"> </span><span class="token class-name">List</span><span class="token generics punctuation" style=color:#393A34><</span><span class="token generics class-name">Object</span><span class="token generics punctuation" style=color:#393A34>></span><span class="token plain"> list </span><span class="token operator" style=color:#393A34>=</span><span class="token plain"> </span><span class="token function" style=color:#d73a49>ofArrayList</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><span class="token boolean" style=color:#36acaa>false</span><span class="token punctuation" style=color:#393A34>,</span><span class="token plain"> </span><span class="token string" style=color:#e3116c>"str"</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 number" style=color:#36acaa>1.1</span><span class="token punctuation" style=color:#393A34>,</span><span class="token plain"> </span><span class="token number" style=color:#36acaa>1</span><span class="token punctuation" style=color:#393A34>,</span><span class="token plain"> </span><span class="token keyword" style=color:#00009f>new</span><span class="token plain"> </span><span class="token keyword" style=color:#00009f>int</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><span class="token keyword" style=color:#00009f>new</span><span class="token plain"> </span><span class="token keyword" style=color:#00009f>double</span><span class="token punctuation" style=color:#393A34>[</span><span class="token number" style=color:#36acaa>20</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 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"> 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">list</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>// bytes can be deserialized by other languages</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>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"> </span><span class="token class-name">Map</span><span class="token generics punctuation" style=color:#393A34><</span><span class="token generics class-name">Object</span><span class="token generics punctuation" style=color:#393A34>,</span><span class="token generics"> </span><span class="token generics class-name">Object</span><span class="token generics punctuation" style=color:#393A34>></span><span class="token plain"> map </span><span class="token operator" style=color:#393A34>=</span><span class="token plain"> </span><span class="token keyword" style=color:#00009f>new</span><span class="token plain"> </span><span class="token class-name">HashMap</span><span class="token generics punctuation" style=color:#393A34><</span><span class="token generics 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"> map</span><span class="token punctuation" style=color:#393A34>.</span><span class="token function" style=color:#d73a49>put</span><span class="token punctuation" style=color:#393A34>(</span><span class="token string" style=color:#e3116c>"k1"</span><span class="token punctuation" style=color:#393A34>,</span><span class="token plain"> </span><span class="token string" style=color:#e3116c>"v1"</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"> map</span><span class="token punctuation" style=color:#393A34>.</span><span class="token function" style=color:#d73a49>put</span><span class="token punctuation" style=color:#393A34>(</span><span class="token string" style=color:#e3116c>"k2"</span><span class="token punctuation" style=color:#393A34>,</span><span class="token plain"> list</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"> map</span><span class="token punctuation" style=color:#393A34>.</span><span class="token function" style=color:#d73a49>put</span><span class="token punctuation" style=color:#393A34>(</span><span class="token string" style=color:#e3116c>"k3"</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 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"> bytes </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">map</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>// bytes can be deserialized by other languages</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>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"> </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=自定义值>自定义值<a href=#自定义值 class=hash-link aria-label=自定义值的直接链接 title=自定义值的直接链接 translate=no></a></h3> |
| <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 operator" 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>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 namespace" style=opacity:0.7>config</span><span class="token import namespace punctuation" style=opacity:0.7;color:#393A34>.</span><span class="token import operator" 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>import</span><span class="token plain"> </span><span class="token import namespace" style=opacity:0.7>java</span><span class="token import namespace punctuation" style=opacity:0.7;color:#393A34>.</span><span class="token import namespace" style=opacity:0.7>util</span><span class="token import namespace punctuation" style=opacity:0.7;color:#393A34>.</span><span class="token import operator" 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>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">Example2</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>class</span><span class="token plain"> </span><span class="token class-name">SomeClass1</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">Object</span><span class="token plain"> f1</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">Map</span><span class="token generics punctuation" style=color:#393A34><</span><span class="token generics class-name">Byte</span><span class="token generics punctuation" style=color:#393A34>,</span><span class="token generics"> </span><span class="token generics class-name">Integer</span><span class="token generics punctuation" style=color:#393A34>></span><span class="token plain"> f2</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>static</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">SomeClass2</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">Object</span><span class="token plain"> f1</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">String</span><span class="token plain"> f2</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">List</span><span class="token generics punctuation" style=color:#393A34><</span><span class="token generics class-name">Object</span><span class="token generics punctuation" style=color:#393A34>></span><span class="token plain"> f3</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">Map</span><span class="token generics punctuation" style=color:#393A34><</span><span class="token generics class-name">Byte</span><span class="token generics punctuation" style=color:#393A34>,</span><span class="token generics"> </span><span class="token generics class-name">Integer</span><span class="token generics punctuation" style=color:#393A34>></span><span class="token plain"> f4</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">Byte</span><span class="token plain"> f5</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">Short</span><span class="token plain"> f6</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">Integer</span><span class="token plain"> f7</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">Long</span><span class="token plain"> f8</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">Float</span><span class="token plain"> f9</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">Double</span><span class="token plain"> f10</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>short</span><span class="token punctuation" style=color:#393A34>[</span><span class="token punctuation" style=color:#393A34>]</span><span class="token plain"> f11</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">List</span><span class="token generics punctuation" style=color:#393A34><</span><span class="token generics class-name">Short</span><span class="token generics punctuation" style=color:#393A34>></span><span class="token plain"> f12</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>static</span><span class="token plain"> </span><span class="token class-name">Object</span><span class="token plain"> </span><span class="token function" style=color:#d73a49>createObject</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 class-name">SomeClass1</span><span class="token plain"> obj1 </span><span class="token operator" style=color:#393A34>=</span><span class="token plain"> </span><span class="token keyword" style=color:#00009f>new</span><span class="token plain"> </span><span class="token class-name">SomeClass1</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"> obj1</span><span class="token punctuation" style=color:#393A34>.</span><span class="token plain">f1 </span><span class="token operator" style=color:#393A34>=</span><span class="token plain"> </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"> obj1</span><span class="token punctuation" style=color:#393A34>.</span><span class="token plain">f2 </span><span class="token operator" style=color:#393A34>=</span><span class="token plain"> </span><span class="token function" style=color:#d73a49>ofHashMap</span><span class="token punctuation" style=color:#393A34>(</span><span class="token punctuation" style=color:#393A34>(</span><span class="token keyword" style=color:#00009f>byte</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 number" style=color:#36acaa>1</span><span class="token punctuation" style=color:#393A34>,</span><span class="token plain"> </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><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> </span><span class="token class-name">SomeClass2</span><span class="token plain"> obj </span><span class="token operator" style=color:#393A34>=</span><span class="token plain"> </span><span class="token keyword" style=color:#00009f>new</span><span class="token plain"> </span><span class="token class-name">SomeClass2</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"> obj</span><span class="token punctuation" style=color:#393A34>.</span><span class="token plain">f1 </span><span class="token operator" style=color:#393A34>=</span><span class="token plain"> obj1</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"> obj</span><span class="token punctuation" style=color:#393A34>.</span><span class="token plain">f2 </span><span class="token operator" style=color:#393A34>=</span><span class="token plain"> </span><span class="token string" style=color:#e3116c>"abc"</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"> obj</span><span class="token punctuation" style=color:#393A34>.</span><span class="token plain">f3 </span><span class="token operator" style=color:#393A34>=</span><span class="token plain"> </span><span class="token function" style=color:#d73a49>ofArrayList</span><span class="token punctuation" style=color:#393A34>(</span><span class="token string" style=color:#e3116c>"abc"</span><span class="token punctuation" style=color:#393A34>,</span><span class="token plain"> </span><span class="token string" style=color:#e3116c>"abc"</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"> obj</span><span class="token punctuation" style=color:#393A34>.</span><span class="token plain">f4 </span><span class="token operator" style=color:#393A34>=</span><span class="token plain"> </span><span class="token function" style=color:#d73a49>ofHashMap</span><span class="token punctuation" style=color:#393A34>(</span><span class="token punctuation" style=color:#393A34>(</span><span class="token keyword" style=color:#00009f>byte</span><span class="token punctuation" style=color:#393A34>)</span><span class="token plain"> </span><span class="token number" style=color:#36acaa>1</span><span class="token punctuation" style=color:#393A34>,</span><span class="token plain"> </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><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> obj</span><span class="token punctuation" style=color:#393A34>.</span><span class="token plain">f5 </span><span class="token operator" style=color:#393A34>=</span><span class="token plain"> </span><span class="token class-name">Byte</span><span class="token punctuation" style=color:#393A34>.</span><span class="token constant" style=color:#36acaa>MAX_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"> obj</span><span class="token punctuation" style=color:#393A34>.</span><span class="token plain">f6 </span><span class="token operator" style=color:#393A34>=</span><span class="token plain"> </span><span class="token class-name">Short</span><span class="token punctuation" style=color:#393A34>.</span><span class="token constant" style=color:#36acaa>MAX_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"> obj</span><span class="token punctuation" style=color:#393A34>.</span><span class="token plain">f7 </span><span class="token operator" style=color:#393A34>=</span><span class="token plain"> </span><span class="token class-name">Integer</span><span class="token punctuation" style=color:#393A34>.</span><span class="token constant" style=color:#36acaa>MAX_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"> obj</span><span class="token punctuation" style=color:#393A34>.</span><span class="token plain">f8 </span><span class="token operator" style=color:#393A34>=</span><span class="token plain"> </span><span class="token class-name">Long</span><span class="token punctuation" style=color:#393A34>.</span><span class="token constant" style=color:#36acaa>MAX_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"> obj</span><span class="token punctuation" style=color:#393A34>.</span><span class="token plain">f9 </span><span class="token operator" style=color:#393A34>=</span><span class="token plain"> </span><span class="token number" style=color:#36acaa>1.0f</span><span class="token plain"> </span><span class="token operator" style=color:#393A34>/</span><span class="token plain"> </span><span class="token number" style=color:#36acaa>2</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"> obj</span><span class="token punctuation" style=color:#393A34>.</span><span class="token plain">f10 </span><span class="token operator" style=color:#393A34>=</span><span class="token plain"> </span><span class="token number" style=color:#36acaa>1</span><span class="token plain"> </span><span class="token operator" style=color:#393A34>/</span><span class="token plain"> </span><span class="token number" style=color:#36acaa>3.0</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"> obj</span><span class="token punctuation" style=color:#393A34>.</span><span class="token plain">f11 </span><span class="token operator" style=color:#393A34>=</span><span class="token plain"> </span><span class="token keyword" style=color:#00009f>new</span><span class="token plain"> </span><span class="token keyword" style=color:#00009f>short</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 keyword" style=color:#00009f>short</span><span class="token punctuation" style=color:#393A34>)</span><span class="token plain"> </span><span class="token number" style=color:#36acaa>1</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 keyword" style=color:#00009f>short</span><span class="token punctuation" style=color:#393A34>)</span><span class="token plain"> </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><span class="token plain"></span><br/></div><div class=token-line style=color:#393A34><span class="token plain"> obj</span><span class="token punctuation" style=color:#393A34>.</span><span class="token plain">f12 </span><span class="token operator" style=color:#393A34>=</span><span class="token plain"> </span><span class="token function" style=color:#d73a49>ofArrayList</span><span class="token punctuation" style=color:#393A34>(</span><span class="token punctuation" style=color:#393A34>(</span><span class="token keyword" style=color:#00009f>short</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 number" style=color:#36acaa>1</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 keyword" style=color:#00009f>short</span><span class="token punctuation" style=color:#393A34>)</span><span class="token plain"> </span><span class="token number" style=color:#36acaa>4</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>return</span><span class="token plain"> obj</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>// mvn exec:java -Dexec.mainClass="org.apache.fory.examples.Example2"</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 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 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 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">SomeClass1</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 string" style=color:#e3116c>"example.SomeClass1"</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">SomeClass2</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 string" style=color:#e3116c>"example.SomeClass2"</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>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"> 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 function" style=color:#d73a49>createObject</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 comment" style=color:#999988;font-style:italic>// bytes can be deserialized by other languages</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 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 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> |
| <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/java/configuration>配置</a> - 所有 ForyBuilder 选项</li> |
| <li class=""><a class="" href=/zh-CN/docs/object-serialization/java/native>原生序列化</a> - 仅限 Java 的序列化功能</li> |
| <li class=""><a class="" href=/zh-CN/docs/object-serialization/java/schema-metadata>Schema 元数据</a> - 字段 ID、可空性、引用跟踪和枚举 ID</li> |
| <li class=""><a class="" href=/zh-CN/docs/object-serialization/java/troubleshooting>故障排除</a> - 常见 API 使用问题</li> |
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