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class="badge badge--secondary">Version: 2.6.1</span><div class="markdown"><header><h1 class="h1Heading_dC7a">自定义匹配方式</h1></header><p>本文介绍如何对 <code>org.apache.shenyu.plugin.base.condition.strategy.MatchStrategy</code> 进行自定义扩展。</p><ul><li>新建一个工程，引入如下依赖：</li></ul><div class="codeBlockContainer_J+bg"><div class="codeBlockContent_csEI xml"><pre tabindex="0" class="prism-code language-xml codeBlock_rtdJ thin-scrollbar" style="color:#393A34;background-color:#f6f8fa"><code class="codeBlockLines_1zSZ"><span class="token-line" style="color:#393A34"><span class="token tag punctuation" style="color:#393A34"><</span><span class="token tag" style="color:#00009f">dependencies</span><span class="token tag punctuation" style="color:#393A34">></span><span class="token plain"></span></span><span class="token-line" style="color:#393A34"><span class="token plain"> </span><span class="token tag punctuation" style="color:#393A34"><</span><span class="token tag" style="color:#00009f">dependency</span><span class="token tag punctuation" style="color:#393A34">></span><span class="token plain"></span></span><span class="token-line" style="color:#393A34"><span class="token plain"> </span><span class="token tag punctuation" style="color:#393A34"><</span><span class="token tag" style="color:#00009f">groupId</span><span class="token tag punctuation" style="color:#393A34">></span><span class="token plain">org.apache.shenyu</span><span class="token tag punctuation" style="color:#393A34"></</span><span class="token tag" style="color:#00009f">groupId</span><span class="token tag punctuation" style="color:#393A34">></span><span class="token plain"></span></span><span class="token-line" style="color:#393A34"><span class="token plain"> </span><span class="token tag punctuation" style="color:#393A34"><</span><span class="token tag" style="color:#00009f">artifactId</span><span class="token tag punctuation" style="color:#393A34">></span><span class="token plain">shenyu-plugin-base</span><span class="token tag punctuation" style="color:#393A34"></</span><span class="token tag" style="color:#00009f">artifactId</span><span class="token tag punctuation" style="color:#393A34">></span><span class="token plain"></span></span><span class="token-line" style="color:#393A34"><span class="token plain"> </span><span class="token tag punctuation" style="color:#393A34"><</span><span class="token tag" style="color:#00009f">version</span><span class="token tag punctuation" style="color:#393A34">></span><span class="token plain">${project.version}</span><span class="token tag punctuation" style="color:#393A34"></</span><span class="token tag" style="color:#00009f">version</span><span class="token tag punctuation" style="color:#393A34">></span><span class="token plain"></span></span><span class="token-line" style="color:#393A34"><span class="token plain"> </span><span class="token tag punctuation" style="color:#393A34"></</span><span class="token tag" style="color:#00009f">dependency</span><span class="token tag punctuation" style="color:#393A34">></span><span class="token plain"></span></span><span class="token-line" style="color:#393A34"><span class="token plain"></span><span class="token tag punctuation" style="color:#393A34"></</span><span class="token tag" style="color:#00009f">dependencies</span><span class="token tag punctuation" style="color:#393A34">></span></span></code></pre><button type="button" aria-label="Copy code to clipboard" class="copyButton_M3SB clean-btn">Copy</button></div></div><ul><li>新增一个类 <code>CustomMatchStrategy</code>，继承<code>org.apache.shenyu.plugin.base.condition.strategy.AbstractMatchStrategy</code>，实现 <code>org.apache.shenyu.plugin.base.condition.strategy.MatchStrategy</code> ，添加注解<code>org.apache.shenyu.spi.Join</code>。</li></ul><div class="codeBlockContainer_J+bg"><div class="codeBlockContent_csEI java"><pre tabindex="0" class="prism-code language-java codeBlock_rtdJ thin-scrollbar" style="color:#393A34;background-color:#f6f8fa"><code class="codeBlockLines_1zSZ"><span class="token-line" style="color:#393A34"><span class="token plain">/**</span></span><span class="token-line" style="color:#393A34"><span class="token plain"> * This is custom match strategy.</span></span><span class="token-line" style="color:#393A34"><span class="token plain"> */</span></span><span class="token-line" style="color:#393A34"><span class="token plain">@Join</span></span><span class="token-line" style="color:#393A34"><span class="token plain">public class CustomMatchStrategy extends AbstractMatchStrategy implements MatchStrategy {</span></span><span class="token-line" style="color:#393A34"><span class="token plain" style="display:inline-block"> |
| </span></span><span class="token-line" style="color:#393A34"><span class="token plain"> @Override</span></span><span class="token-line" style="color:#393A34"><span class="token plain"> public Boolean match(final List<ConditionData> conditionDataList, final ServerWebExchange exchange) {</span></span><span class="token-line" style="color:#393A34"><span class="token plain"> // 匹配逻辑实现</span></span><span class="token-line" style="color:#393A34"><span class="token plain"> }</span></span><span class="token-line" style="color:#393A34"><span class="token plain">}</span></span></code></pre><button type="button" aria-label="Copy code to clipboard" class="copyButton_M3SB clean-btn">Copy</button></div></div><ul><li>在工程的META-INF/services目录创建 <code>org.apache.shenyu.plugin.base.condition.strategy.MatchStrategy</code>文件中添加如下内容：</li></ul><div class="codeBlockContainer_J+bg"><div style="color:#393A34;background-color:#f6f8fa" class="codeBlockTitle_oQzk">script</div><div class="codeBlockContent_csEI shell"><pre tabindex="0" class="prism-code language-shell codeBlock_rtdJ thin-scrollbar" style="color:#393A34;background-color:#f6f8fa"><code class="codeBlockLines_1zSZ"><span class="token-line" style="color:#393A34"><span class="token variable" style="color:#36acaa">${spi name}</span><span class="token operator" style="color:#393A34">=</span><span class="token variable" style="color:#36acaa">${custom class path}</span></span></code></pre><button type="button" aria-label="Copy code to clipboard" class="copyButton_M3SB clean-btn">Copy</button></div></div><p><code>${spi name}</code>表示<code>spi</code>的名称，<code>${custom class path}</code>表示该类的全限定名。比如：</p><div class="codeBlockContainer_J+bg"><div style="color:#393A34;background-color:#f6f8fa" class="codeBlockTitle_oQzk">script</div><div class="codeBlockContent_csEI shell"><pre tabindex="0" class="prism-code language-shell codeBlock_rtdJ thin-scrollbar" style="color:#393A34;background-color:#f6f8fa"><code class="codeBlockLines_1zSZ"><span class="token-line" style="color:#393A34"><span class="token assign-left variable" style="color:#36acaa">custom</span><span class="token operator" style="color:#393A34">=</span><span class="token plain">xxx.xxx.xxx.CustomMatchStrategy</span></span></code></pre><button type="button" aria-label="Copy code to clipboard" class="copyButton_M3SB clean-btn">Copy</button></div></div><ul><li><p>将工程打包，拷贝到网关 (bootstrap-bin) 的 <code>lib</code> 或 <code>ext-lib</code> 目录。</p></li><li><p>在<code>Apache ShenYu</code>网关管理系统 --> 基础配置 --> 字典管理， 找到字典编码为 <code>MATCH_MODE</code>，新增一条数据，注意字典名称要为: <code>${spi name}</code>，图中的示例是<code>custom</code>。</p></li></ul><img src="/img/shenyu/custom/custom_match_strategy_zh.png" width="70%" height="60%"><blockquote><p>字典类型：<code>matchMode</code>；</p><p>字典编码：<code>MATCH_MODE</code>；</p><p>字典名称：<code>${spi name}</code>，填写自定义<code>spi</code>的名称；</p><p>字典值：使用时，下拉框的值，不要和现有的重复；</p><p>字典描述或备注信息：描述信息；</p><p>排序： 排序；</p><p>状态：打开或关闭。</p></blockquote><ul><li>在添加选择器或规则时，就可以使用自定义的匹配方式：</li></ul><img src="/img/shenyu/custom/use_custom_match_strategy_zh.png" width="80%" height="70%"></div><footer class="row docusaurus-mt-lg"><div class="col"><a href="https://github.com/apache/shenyu-website/edit/main/i18n/zh/docusaurus-plugin-content-docs/version-2.6.1/developer/spi/custom-match-mode.md" target="_blank" rel="noreferrer noopener"><svg fill="currentColor" height="20" width="20" viewBox="0 0 40 40" class="iconEdit_mS5F" aria-hidden="true"><g><path d="m34.5 11.7l-3 3.1-6.3-6.3 3.1-3q0.5-0.5 1.2-0.5t1.1 0.5l3.9 3.9q0.5 0.4 0.5 1.1t-0.5 1.2z m-29.5 17.1l18.4-18.5 6.3 6.3-18.4 18.4h-6.3v-6.2z"></path></g></svg>编辑本文档</a></div><div class="col lastUpdated_wj+Z"></div></footer></article><nav class="pagination-nav docusaurus-mt-lg" aria-label="Docs pages navigation"><div class="pagination-nav__item"><a class="pagination-nav__link" href="/zh/docs/developer/spi/custom-load-balance"><div class="pagination-nav__sublabel">上一篇</div><div class="pagination-nav__label">« 自定义负载均衡策略</div></a></div><div class="pagination-nav__item pagination-nav__item--next"><a class="pagination-nav__link" href="/zh/docs/developer/spi/custom-metrics-monitor"><div class="pagination-nav__sublabel">下一篇</div><div class="pagination-nav__label">自定义指标监控 »</div></a></div></nav></div></div></div></div></main></div></div></div> |
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