https://chickenlj.github.io/incubator-dubbo-website/cn/java-sdk/reference-manual/config/env/Recent content in 环境变量配置手册 on Apache DubboHugo -- gohugo.ioen-ushttps://chickenlj.github.io/incubator-dubbo-website/cn/java-sdk/reference-manual/config/env/guide/Mon, 01 Jan 0001 00:00:00 +0000https://chickenlj.github.io/incubator-dubbo-website/cn/java-sdk/reference-manual/config/env/guide/ <p>从 2.7.3 版本开始，Dubbo 会自动从约定 key 中读取配置，并将配置以 Key-Value 的形式写入到URL中。</p> <p>支持的 key 有以下两个：</p> <ol> <li> <p><code>dubbo.labels</code>，指定一些列配置到 URL 中的键值对，通常通过 JVM -D 或系统环境变量指定。</p> <p>增加以下配置：</p> <div class="highlight"><pre tabindex="0" style="color:#93a1a1;background-color:#002b36;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-fallback" data-lang="fallback"><span style="display:flex;"><span># JVM </span></span><span style="display:flex;"><span>-Ddubbo.labels = &#34;tag1=value1; tag2=value2&#34; </span></span><span style="display:flex;"><span># 环境变量 </span></span><span style="display:flex;"><span>DUBBO_LABELS = &#34;tag1=value1; tag2=value2&#34; </span></span></code></pre></div><p>最终生成的 URL 会包含 tag1、tag2 两个 key: <code>dubbo://xxx?tag1=value1&amp;tag2=value2</code></p> </li> <li> <p><code>dubbo.env.keys</code>，指定环境变量 key 值，Dubbo 会尝试从环境变量加载每个 key</p> <div class="highlight"><pre tabindex="0" style="color:#93a1a1;background-color:#002b36;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-fallback" data-lang="fallback"><span style="display:flex;"><span># JVM </span></span><span style="display:flex;"><span>-Ddubbo.env.keys = &#34;DUBBO_TAG1, DUBBO_TAG2&#34; </span></span><span style="display:flex;"><span># 环境变量 </span></span><span style="display:flex;"><span>DUBBO_ENV_KEYS = &#34;DUBBO_TAG1, DUBBO_TAG2&#34; </span></span></code></pre></div><p>最终生成的 URL 会包含 DUBBO_TAG1、DUBBO_TAG2 两个 key: <code>dubbo://xxx?DUBBO_TAG1=value1&amp;DUBBO_TAG2=value2</code></p> </li> </ol>https://chickenlj.github.io/incubator-dubbo-website/cn/java-sdk/reference-manual/config/env/description/Mon, 01 Jan 0001 00:00:00 +0000https://chickenlj.github.io/incubator-dubbo-website/cn/java-sdk/reference-manual/config/env/description/