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| <label for=m-zh-cndocsadvanceddelay-publish-check><a href=/zh-cn/docs/advanced/delay-publish/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsadvanceddelay-publish><span>延迟暴露</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsadvancedconcurrency-control-li><input type=checkbox id=m-zh-cndocsadvancedconcurrency-control-check> |
| <label for=m-zh-cndocsadvancedconcurrency-control-check><a href=/zh-cn/docs/advanced/concurrency-control/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsadvancedconcurrency-control><span>并发控制</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsadvancedconfig-connections-li><input type=checkbox id=m-zh-cndocsadvancedconfig-connections-check> |
| <label for=m-zh-cndocsadvancedconfig-connections-check><a href=/zh-cn/docs/advanced/config-connections/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsadvancedconfig-connections><span>连接控制</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsadvancedlazy-connect-li><input type=checkbox id=m-zh-cndocsadvancedlazy-connect-check> |
| <label for=m-zh-cndocsadvancedlazy-connect-check><a href=/zh-cn/docs/advanced/lazy-connect/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsadvancedlazy-connect><span>延迟连接</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsadvancedstickiness-li><input type=checkbox id=m-zh-cndocsadvancedstickiness-check> |
| <label for=m-zh-cndocsadvancedstickiness-check><a href=/zh-cn/docs/advanced/stickiness/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsadvancedstickiness><span>粘滞连接</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsadvancedtls-li><input type=checkbox id=m-zh-cndocsadvancedtls-check> |
| <label for=m-zh-cndocsadvancedtls-check><a href=/zh-cn/docs/advanced/tls/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsadvancedtls><span>TLS</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsadvancedtoken-authorization-li><input type=checkbox id=m-zh-cndocsadvancedtoken-authorization-check> |
| <label for=m-zh-cndocsadvancedtoken-authorization-check><a href=/zh-cn/docs/advanced/token-authorization/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsadvancedtoken-authorization><span>令牌验证</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsadvancedrouting-rule-li><input type=checkbox id=m-zh-cndocsadvancedrouting-rule-check> |
| <label for=m-zh-cndocsadvancedrouting-rule-check><a href=/zh-cn/docs/advanced/routing-rule/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsadvancedrouting-rule><span>路由规则</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsadvancedrouting-rule-deprecated-li><input type=checkbox id=m-zh-cndocsadvancedrouting-rule-deprecated-check> |
| <label for=m-zh-cndocsadvancedrouting-rule-deprecated-check><a href=/zh-cn/docs/advanced/routing-rule-deprecated/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsadvancedrouting-rule-deprecated><span>旧路由规则</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsadvancedconfig-rule-li><input type=checkbox id=m-zh-cndocsadvancedconfig-rule-check> |
| <label for=m-zh-cndocsadvancedconfig-rule-check><a href=/zh-cn/docs/advanced/config-rule/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsadvancedconfig-rule><span>配置规则</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsadvancedservice-downgrade-li><input type=checkbox id=m-zh-cndocsadvancedservice-downgrade-check> |
| <label for=m-zh-cndocsadvancedservice-downgrade-check><a href=/zh-cn/docs/advanced/service-downgrade/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsadvancedservice-downgrade><span>服务降级</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsadvancedconfig-rule-deprecated-li><input type=checkbox id=m-zh-cndocsadvancedconfig-rule-deprecated-check> |
| <label for=m-zh-cndocsadvancedconfig-rule-deprecated-check><a href=/zh-cn/docs/advanced/config-rule-deprecated/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsadvancedconfig-rule-deprecated><span>旧配置规则</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsadvancedconsumer-threadpool-li><input type=checkbox id=m-zh-cndocsadvancedconsumer-threadpool-check> |
| <label for=m-zh-cndocsadvancedconsumer-threadpool-check><a href=/zh-cn/docs/advanced/consumer-threadpool/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsadvancedconsumer-threadpool><span>消费端线程池模型</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsadvancedgraceful-shutdown-li><input type=checkbox id=m-zh-cndocsadvancedgraceful-shutdown-check> |
| <label for=m-zh-cndocsadvancedgraceful-shutdown-check><a href=/zh-cn/docs/advanced/graceful-shutdown/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsadvancedgraceful-shutdown><span>优雅停机</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsadvancedhostname-binding-li><input type=checkbox id=m-zh-cndocsadvancedhostname-binding-check> |
| <label for=m-zh-cndocsadvancedhostname-binding-check><a href=/zh-cn/docs/advanced/hostname-binding/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsadvancedhostname-binding><span>主机绑定</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsadvancedset-host-li><input type=checkbox id=m-zh-cndocsadvancedset-host-check> |
| <label for=m-zh-cndocsadvancedset-host-check><a href=/zh-cn/docs/advanced/set-host/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsadvancedset-host><span>主机配置</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsadvancedsimplify-registry-data-li><input type=checkbox id=m-zh-cndocsadvancedsimplify-registry-data-check> |
| <label for=m-zh-cndocsadvancedsimplify-registry-data-check><a href=/zh-cn/docs/advanced/simplify-registry-data/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsadvancedsimplify-registry-data><span>注册信息简化</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsadvancedlogger-strategy-li><input type=checkbox id=m-zh-cndocsadvancedlogger-strategy-check> |
| <label for=m-zh-cndocsadvancedlogger-strategy-check><a href=/zh-cn/docs/advanced/logger-strategy/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsadvancedlogger-strategy><span>日志适配</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsadvancedaccesslog-li><input type=checkbox id=m-zh-cndocsadvancedaccesslog-check> |
| <label for=m-zh-cndocsadvancedaccesslog-check><a href=/zh-cn/docs/advanced/accesslog/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsadvancedaccesslog><span>访问日志</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsadvancedservice-container-li><input type=checkbox id=m-zh-cndocsadvancedservice-container-check> |
| <label for=m-zh-cndocsadvancedservice-container-check><a href=/zh-cn/docs/advanced/service-container/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsadvancedservice-container><span>服务容器</span></a></label></li></ul></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section with-child" id=m-zh-cndocsmigration-li><input type=checkbox id=m-zh-cndocsmigration-check> |
| <label for=m-zh-cndocsmigration-check><a href=/zh-cn/docs/migration/ class="align-left pl-0 td-sidebar-link td-sidebar-link__section" id=m-zh-cndocsmigration><span>升级与兼容性</span></a></label><ul class="ul-2 foldable"><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsmigrationmigration-and-compatibility-guide-li><input type=checkbox id=m-zh-cndocsmigrationmigration-and-compatibility-guide-check> |
| <label for=m-zh-cndocsmigrationmigration-and-compatibility-guide-check><a href=/zh-cn/docs/migration/migration-and-compatibility-guide/ title="3.x 升级与兼容性指南" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsmigrationmigration-and-compatibility-guide><span>总结</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsmigrationmigration-service-discovery-li><input type=checkbox id=m-zh-cndocsmigrationmigration-service-discovery-check> |
| <label for=m-zh-cndocsmigrationmigration-service-discovery-check><a href=/zh-cn/docs/migration/migration-service-discovery/ title=应用级地址发现迁移指南 class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsmigrationmigration-service-discovery><span>应用级地址发现</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsmigrationmigration-triple-li><input type=checkbox id=m-zh-cndocsmigrationmigration-triple-check> |
| <label for=m-zh-cndocsmigrationmigration-triple-check><a href=/zh-cn/docs/migration/migration-triple/ title=Triple协议迁移指南 class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsmigrationmigration-triple><span>Triple</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsmigrationmigration-routingrule-li><input type=checkbox id=m-zh-cndocsmigrationmigration-routingrule-check> |
| <label for=m-zh-cndocsmigrationmigration-routingrule-check><a href=/zh-cn/docs/migration/migration-routingrule/ title=统一路由规则升级指南 class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsmigrationmigration-routingrule><span>路由规则</span></a></label></li></ul></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section with-child" id=m-zh-cndocslanguages-li><input type=checkbox id=m-zh-cndocslanguages-check> |
| <label for=m-zh-cndocslanguages-check><a href=/zh-cn/docs/languages/ title=多语言实现 class="align-left pl-0 td-sidebar-link td-sidebar-link__section" id=m-zh-cndocslanguages><span>多语言</span></a></label><ul class="ul-2 foldable"><li class="td-sidebar-nav__section-title td-sidebar-nav__section with-child" id=m-zh-cndocslanguageserlang-li><input type=checkbox id=m-zh-cndocslanguageserlang-check> |
| <label for=m-zh-cndocslanguageserlang-check><a href=/zh-cn/docs/languages/erlang/ class="align-left pl-0 td-sidebar-link td-sidebar-link__section" id=m-zh-cndocslanguageserlang><span>Erlang</span></a></label><ul class="ul-3 foldable"><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocslanguageserlangquick-start-li><input type=checkbox id=m-zh-cndocslanguageserlangquick-start-check> |
| <label for=m-zh-cndocslanguageserlangquick-start-check><a href=/zh-cn/docs/languages/erlang/quick-start/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocslanguageserlangquick-start><span>快速开始</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocslanguageserlangreference-li><input type=checkbox id=m-zh-cndocslanguageserlangreference-check> |
| <label for=m-zh-cndocslanguageserlangreference-check><a href=/zh-cn/docs/languages/erlang/reference/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocslanguageserlangreference><span>消费者配置</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocslanguageserlangservice-li><input type=checkbox id=m-zh-cndocslanguageserlangservice-check> |
| <label for=m-zh-cndocslanguageserlangservice-check><a href=/zh-cn/docs/languages/erlang/service/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocslanguageserlangservice><span>提供者配置</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocslanguageserlangserialization-li><input type=checkbox id=m-zh-cndocslanguageserlangserialization-check> |
| <label for=m-zh-cndocslanguageserlangserialization-check><a href=/zh-cn/docs/languages/erlang/serialization/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocslanguageserlangserialization><span>序列化配置项</span></a></label></li></ul></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section with-child" id=m-zh-cndocslanguagesgolang-li><input type=checkbox id=m-zh-cndocslanguagesgolang-check> |
| <label for=m-zh-cndocslanguagesgolang-check><a href=/zh-cn/docs/languages/golang/ class="align-left pl-0 td-sidebar-link td-sidebar-link__section" id=m-zh-cndocslanguagesgolang><span>golang</span></a></label><ul class="ul-3 foldable"><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocslanguagesgolangquick-start-li><input type=checkbox id=m-zh-cndocslanguagesgolangquick-start-check> |
| <label for=m-zh-cndocslanguagesgolangquick-start-check><a href=/zh-cn/docs/languages/golang/quick-start/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocslanguagesgolangquick-start><span>Go 快速开始</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocslanguagesgolanggo-specific-li><input type=checkbox id=m-zh-cndocslanguagesgolanggo-specific-check> |
| <label for=m-zh-cndocslanguagesgolanggo-specific-check><a href=/zh-cn/docs/languages/golang/go-specific/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocslanguagesgolanggo-specific><span>Go 语言定义服务</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section with-child" id=m-zh-cndocslanguagesgolangdubbo-go-15-li><input type=checkbox id=m-zh-cndocslanguagesgolangdubbo-go-15-check> |
| <label for=m-zh-cndocslanguagesgolangdubbo-go-15-check><a href=/zh-cn/docs/languages/golang/dubbo-go-1.5/ class="align-left pl-0 td-sidebar-link td-sidebar-link__section" id=m-zh-cndocslanguagesgolangdubbo-go-15><span>Dubbo-go 1.5</span></a></label><ul class="ul-4 foldable"><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocslanguagesgolangdubbo-go-15configurationclient-li><input type=checkbox id=m-zh-cndocslanguagesgolangdubbo-go-15configurationclient-check> |
| <label for=m-zh-cndocslanguagesgolangdubbo-go-15configurationclient-check><a href=/zh-cn/docs/languages/golang/dubbo-go-1.5/configuration/client/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocslanguagesgolangdubbo-go-15configurationclient><span>client</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocslanguagesgolangdubbo-go-15configurationprovider-li><input type=checkbox id=m-zh-cndocslanguagesgolangdubbo-go-15configurationprovider-check> |
| <label for=m-zh-cndocslanguagesgolangdubbo-go-15configurationprovider-check><a href=/zh-cn/docs/languages/golang/dubbo-go-1.5/configuration/provider/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocslanguagesgolangdubbo-go-15configurationprovider><span>service providers</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocslanguagesgolangdubbo-go-15quick-start-li><input type=checkbox id=m-zh-cndocslanguagesgolangdubbo-go-15quick-start-check> |
| <label for=m-zh-cndocslanguagesgolangdubbo-go-15quick-start-check><a href=/zh-cn/docs/languages/golang/dubbo-go-1.5/quick-start/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocslanguagesgolangdubbo-go-15quick-start><span>快速开始</span></a></label></li></ul></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section with-child" id=m-zh-cndocslanguagesgolangdubbo-go-30-li><input type=checkbox id=m-zh-cndocslanguagesgolangdubbo-go-30-check> |
| <label for=m-zh-cndocslanguagesgolangdubbo-go-30-check><a href=/zh-cn/docs/languages/golang/dubbo-go-3.0/ class="align-left pl-0 td-sidebar-link td-sidebar-link__section" id=m-zh-cndocslanguagesgolangdubbo-go-30><span>Dubbo-go 3.0</span></a></label><ul class="ul-4 foldable"><li class="td-sidebar-nav__section-title td-sidebar-nav__section with-child" id=m-zh-cndocslanguagesgolangdubbo-go-30samples-li><input type=checkbox id=m-zh-cndocslanguagesgolangdubbo-go-30samples-check> |
| <label for=m-zh-cndocslanguagesgolangdubbo-go-30samples-check><a href=/zh-cn/docs/languages/golang/dubbo-go-3.0/samples/ class="align-left pl-0 td-sidebar-link td-sidebar-link__section" id=m-zh-cndocslanguagesgolangdubbo-go-30samples><span>高级使用</span></a></label><ul class="ul-5 foldable"><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocslanguagesgolangdubbo-go-30samplescustom-filter-li><input type=checkbox id=m-zh-cndocslanguagesgolangdubbo-go-30samplescustom-filter-check> |
| <label for=m-zh-cndocslanguagesgolangdubbo-go-30samplescustom-filter-check><a href=/zh-cn/docs/languages/golang/dubbo-go-3.0/samples/custom-filter/ title="Dubbo-go 3.0 自定义filter" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocslanguagesgolangdubbo-go-30samplescustom-filter><span>Filter</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocslanguagesgolangdubbo-go-30samplesgo_java_interactive-li><input type=checkbox id=m-zh-cndocslanguagesgolangdubbo-go-30samplesgo_java_interactive-check> |
| <label for=m-zh-cndocslanguagesgolangdubbo-go-30samplesgo_java_interactive-check><a href=/zh-cn/docs/languages/golang/dubbo-go-3.0/samples/go_java_interactive/ title="go-java 3.0 互通示例" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocslanguagesgolangdubbo-go-30samplesgo_java_interactive><span>Go-Java 互通</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocslanguagesgolangdubbo-go-30samplesmetrics-li><input type=checkbox id=m-zh-cndocslanguagesgolangdubbo-go-30samplesmetrics-check> |
| <label for=m-zh-cndocslanguagesgolangdubbo-go-30samplesmetrics-check><a href=/zh-cn/docs/languages/golang/dubbo-go-3.0/samples/metrics/ title="Dubbo-go 数据上报" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocslanguagesgolangdubbo-go-30samplesmetrics><span>Metrics 数据上报</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocslanguagesgolangdubbo-go-30samplessamples_repo-li><input type=checkbox id=m-zh-cndocslanguagesgolangdubbo-go-30samplessamples_repo-check> |
| <label for=m-zh-cndocslanguagesgolangdubbo-go-30samplessamples_repo-check><a href=/zh-cn/docs/languages/golang/dubbo-go-3.0/samples/samples_repo/ title="dubbo-go 3.0 示例仓库" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocslanguagesgolangdubbo-go-30samplessamples_repo><span>Samples 仓库介绍</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocslanguagesgolangdubbo-go-30samplesexception_response-li><input type=checkbox id=m-zh-cndocslanguagesgolangdubbo-go-30samplesexception_response-check> |
| <label for=m-zh-cndocslanguagesgolangdubbo-go-30samplesexception_response-check><a href=/zh-cn/docs/languages/golang/dubbo-go-3.0/samples/exception_response/ title="Dubbo-go 3.0 异常回传" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocslanguagesgolangdubbo-go-30samplesexception_response><span>Triple 异常回传</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocslanguagesgolangdubbo-go-30samplesgeneric-li><input type=checkbox id=m-zh-cndocslanguagesgolangdubbo-go-30samplesgeneric-check> |
| <label for=m-zh-cndocslanguagesgolangdubbo-go-30samplesgeneric-check><a href=/zh-cn/docs/languages/golang/dubbo-go-3.0/samples/generic/ title="Dubbo-go 泛化调用" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocslanguagesgolangdubbo-go-30samplesgeneric><span>泛化调用</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocslanguagesgolangdubbo-go-30samplesmesh_router-li><input type=checkbox id=m-zh-cndocslanguagesgolangdubbo-go-30samplesmesh_router-check> |
| <label for=m-zh-cndocslanguagesgolangdubbo-go-30samplesmesh_router-check><a href=/zh-cn/docs/languages/golang/dubbo-go-3.0/samples/mesh_router/ title="Dubbo-go v3 统一路由规则" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocslanguagesgolangdubbo-go-30samplesmesh_router><span>路由规则</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocslanguagesgolangdubbo-go-30samplesconfig-center-dynamic-li><input type=checkbox id=m-zh-cndocslanguagesgolangdubbo-go-30samplesconfig-center-dynamic-check> |
| <label for=m-zh-cndocslanguagesgolangdubbo-go-30samplesconfig-center-dynamic-check><a href=/zh-cn/docs/languages/golang/dubbo-go-3.0/samples/config-center-dynamic/ title="Dubbo-go 3.0 动态配置" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocslanguagesgolangdubbo-go-30samplesconfig-center-dynamic><span>配置中心和配置监听</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocslanguagesgolangdubbo-go-30samplesstart-check-li><input type=checkbox id=m-zh-cndocslanguagesgolangdubbo-go-30samplesstart-check-check> |
| <label for=m-zh-cndocslanguagesgolangdubbo-go-30samplesstart-check-check><a href=/zh-cn/docs/languages/golang/dubbo-go-3.0/samples/start-check/ title="Dubbo-go 3.0 启动时检查" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocslanguagesgolangdubbo-go-30samplesstart-check><span>启动时检查</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocslanguagesgolangdubbo-go-30samplescustom-logger-li><input type=checkbox id=m-zh-cndocslanguagesgolangdubbo-go-30samplescustom-logger-check> |
| <label for=m-zh-cndocslanguagesgolangdubbo-go-30samplescustom-logger-check><a href=/zh-cn/docs/languages/golang/dubbo-go-3.0/samples/custom-logger/ title="Dubbo-go 3.0 自定义日志" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocslanguagesgolangdubbo-go-30samplescustom-logger><span>日志</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocslanguagesgolangdubbo-go-30samplesservice-discovery-li><input type=checkbox id=m-zh-cndocslanguagesgolangdubbo-go-30samplesservice-discovery-check> |
| <label for=m-zh-cndocslanguagesgolangdubbo-go-30samplesservice-discovery-check><a href=/zh-cn/docs/languages/golang/dubbo-go-3.0/samples/service-discovery/ title="Dubbo-go 3.0 应用级服务发现" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocslanguagesgolangdubbo-go-30samplesservice-discovery><span>应用级服务发现</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocslanguagesgolangdubbo-go-30samplesregistry-li><input type=checkbox id=m-zh-cndocslanguagesgolangdubbo-go-30samplesregistry-check> |
| <label for=m-zh-cndocslanguagesgolangdubbo-go-30samplesregistry-check><a href=/zh-cn/docs/languages/golang/dubbo-go-3.0/samples/registry/ title="Dubbo-go 3.0 注册中心" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocslanguagesgolangdubbo-go-30samplesregistry><span>注册中心</span></a></label></li></ul></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section with-child" id=m-zh-cndocslanguagesgolangdubbo-go-30concept-li><input type=checkbox id=m-zh-cndocslanguagesgolangdubbo-go-30concept-check> |
| <label for=m-zh-cndocslanguagesgolangdubbo-go-30concept-check><a href=/zh-cn/docs/languages/golang/dubbo-go-3.0/concept/ class="align-left pl-0 td-sidebar-link td-sidebar-link__section" id=m-zh-cndocslanguagesgolangdubbo-go-30concept><span>基本概念</span></a></label><ul class="ul-5 foldable"><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocslanguagesgolangdubbo-go-30conceptapp_and_interface-li><input type=checkbox id=m-zh-cndocslanguagesgolangdubbo-go-30conceptapp_and_interface-check> |
| <label for=m-zh-cndocslanguagesgolangdubbo-go-30conceptapp_and_interface-check><a href=/zh-cn/docs/languages/golang/dubbo-go-3.0/concept/app_and_interface/ title="Dubbo-go 的应用和接口" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocslanguagesgolangdubbo-go-30conceptapp_and_interface><span>服务层级</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocslanguagesgolangdubbo-go-30conceptconfiguration-li><input type=checkbox id=m-zh-cndocslanguagesgolangdubbo-go-30conceptconfiguration-check> |
| <label for=m-zh-cndocslanguagesgolangdubbo-go-30conceptconfiguration-check><a href=/zh-cn/docs/languages/golang/dubbo-go-3.0/concept/configuration/ title=Dubbo-go的配置 class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocslanguagesgolangdubbo-go-30conceptconfiguration><span>框架配置</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocslanguagesgolangdubbo-go-30conceptprotocol-li><input type=checkbox id=m-zh-cndocslanguagesgolangdubbo-go-30conceptprotocol-check> |
| <label for=m-zh-cndocslanguagesgolangdubbo-go-30conceptprotocol-check><a href=/zh-cn/docs/languages/golang/dubbo-go-3.0/concept/protocol/ title="Dubbo-go 的网络协议" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocslanguagesgolangdubbo-go-30conceptprotocol><span>网络协议</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocslanguagesgolangdubbo-go-30conceptregistry-li><input type=checkbox id=m-zh-cndocslanguagesgolangdubbo-go-30conceptregistry-check> |
| <label for=m-zh-cndocslanguagesgolangdubbo-go-30conceptregistry-check><a href=/zh-cn/docs/languages/golang/dubbo-go-3.0/concept/registry/ title="Dubbo-go 的注册中心" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocslanguagesgolangdubbo-go-30conceptregistry><span>注册中心</span></a></label></li></ul></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section with-child" id=m-zh-cndocslanguagesgolangdubbo-go-30preface-li><input type=checkbox id=m-zh-cndocslanguagesgolangdubbo-go-30preface-check> |
| <label for=m-zh-cndocslanguagesgolangdubbo-go-30preface-check><a href=/zh-cn/docs/languages/golang/dubbo-go-3.0/preface/ class="align-left pl-0 td-sidebar-link td-sidebar-link__section" id=m-zh-cndocslanguagesgolangdubbo-go-30preface><span>简介</span></a></label><ul class="ul-5 foldable"><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocslanguagesgolangdubbo-go-30preface30_feature-li><input type=checkbox id=m-zh-cndocslanguagesgolangdubbo-go-30preface30_feature-check> |
| <label for=m-zh-cndocslanguagesgolangdubbo-go-30preface30_feature-check><a href=/zh-cn/docs/languages/golang/dubbo-go-3.0/preface/3.0_feature/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocslanguagesgolangdubbo-go-30preface30_feature><span>dubbo-go 3.0 新特性</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocslanguagesgolangdubbo-go-30prefacearchitecture-li><input type=checkbox id=m-zh-cndocslanguagesgolangdubbo-go-30prefacearchitecture-check> |
| <label for=m-zh-cndocslanguagesgolangdubbo-go-30prefacearchitecture-check><a href=/zh-cn/docs/languages/golang/dubbo-go-3.0/preface/architecture/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocslanguagesgolangdubbo-go-30prefacearchitecture><span>架构</span></a></label></li></ul></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section with-child" id=m-zh-cndocslanguagesgolangdubbo-go-30developer-li><input type=checkbox id=m-zh-cndocslanguagesgolangdubbo-go-30developer-check> |
| <label for=m-zh-cndocslanguagesgolangdubbo-go-30developer-check><a href=/zh-cn/docs/languages/golang/dubbo-go-3.0/developer/ class="align-left pl-0 td-sidebar-link td-sidebar-link__section" id=m-zh-cndocslanguagesgolangdubbo-go-30developer><span>开发者指南</span></a></label><ul class="ul-5 foldable"><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocslanguagesgolangdubbo-go-30developerdesign-li><input type=checkbox id=m-zh-cndocslanguagesgolangdubbo-go-30developerdesign-check> |
| <label for=m-zh-cndocslanguagesgolangdubbo-go-30developerdesign-check><a href=/zh-cn/docs/languages/golang/dubbo-go-3.0/developer/design/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocslanguagesgolangdubbo-go-30developerdesign><span>架构设计</span></a></label></li></ul></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section with-child" id=m-zh-cndocslanguagesgolangdubbo-go-30quickstart-li><input type=checkbox id=m-zh-cndocslanguagesgolangdubbo-go-30quickstart-check> |
| <label for=m-zh-cndocslanguagesgolangdubbo-go-30quickstart-check><a href=/zh-cn/docs/languages/golang/dubbo-go-3.0/quickstart/ class="align-left pl-0 td-sidebar-link td-sidebar-link__section" id=m-zh-cndocslanguagesgolangdubbo-go-30quickstart><span>快速开始</span></a></label><ul class="ul-5 foldable"><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocslanguagesgolangdubbo-go-30quickstartquickstart_dubbo-li><input type=checkbox id=m-zh-cndocslanguagesgolangdubbo-go-30quickstartquickstart_dubbo-check> |
| <label for=m-zh-cndocslanguagesgolangdubbo-go-30quickstartquickstart_dubbo-check><a href=/zh-cn/docs/languages/golang/dubbo-go-3.0/quickstart/quickstart_dubbo/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocslanguagesgolangdubbo-go-30quickstartquickstart_dubbo><span>Dubbo-go 协议快速开始</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocslanguagesgolangdubbo-go-30quickstartquickstart_triple-li><input type=checkbox id=m-zh-cndocslanguagesgolangdubbo-go-30quickstartquickstart_triple-check> |
| <label for=m-zh-cndocslanguagesgolangdubbo-go-30quickstartquickstart_triple-check><a href=/zh-cn/docs/languages/golang/dubbo-go-3.0/quickstart/quickstart_triple/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocslanguagesgolangdubbo-go-30quickstartquickstart_triple><span>Triple 协议快速开始</span></a></label></li></ul></li></ul></li></ul></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section with-child" id=m-zh-cndocslanguagesjava-li><input type=checkbox id=m-zh-cndocslanguagesjava-check> |
| <label for=m-zh-cndocslanguagesjava-check><a href=/zh-cn/docs/languages/java/ class="align-left pl-0 td-sidebar-link td-sidebar-link__section" id=m-zh-cndocslanguagesjava><span>java</span></a></label><ul class="ul-3 foldable"><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocslanguagesjavajava-specific-li><input type=checkbox id=m-zh-cndocslanguagesjavajava-specific-check> |
| <label for=m-zh-cndocslanguagesjavajava-specific-check><a href=/zh-cn/docs/languages/java/java-specific/ title="Java 语言定义服务" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocslanguagesjavajava-specific><span>Java 定义服务</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocslanguagesjavaquick-start-li><input type=checkbox id=m-zh-cndocslanguagesjavaquick-start-check> |
| <label for=m-zh-cndocslanguagesjavaquick-start-check><a href=/zh-cn/docs/languages/java/quick-start/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocslanguagesjavaquick-start><span>Java 快速开始</span></a></label></li></ul></li></ul></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section with-child" id=m-zh-cndocsreferences-li><input type=checkbox id=m-zh-cndocsreferences-check> |
| <label for=m-zh-cndocsreferences-check><a href=/zh-cn/docs/references/ class="align-left pl-0 td-sidebar-link td-sidebar-link__section" id=m-zh-cndocsreferences><span>参考手册</span></a></label><ul class="ul-2 foldable"><li class="td-sidebar-nav__section-title td-sidebar-nav__section with-child" id=m-zh-cndocsreferencesprotobuf-li><input type=checkbox id=m-zh-cndocsreferencesprotobuf-check> |
| <label for=m-zh-cndocsreferencesprotobuf-check><a href=/zh-cn/docs/references/protobuf/ title=Protobuf class="align-left pl-0 td-sidebar-link td-sidebar-link__section" id=m-zh-cndocsreferencesprotobuf><span>protobuf</span></a></label><ul class="ul-3 foldable"><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsreferencesprotobufidl-li><input type=checkbox id=m-zh-cndocsreferencesprotobufidl-check> |
| <label for=m-zh-cndocsreferencesprotobufidl-check><a href=/zh-cn/docs/references/protobuf/idl/ title="使用 IDL 开发服务" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsreferencesprotobufidl><span>idl</span></a></label></li></ul></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section with-child" id=m-zh-cndocsreferencesxml-li><input type=checkbox id=m-zh-cndocsreferencesxml-check> |
| <label for=m-zh-cndocsreferencesxml-check><a href=/zh-cn/docs/references/xml/ title="Schema 配置参考手册" class="align-left pl-0 td-sidebar-link td-sidebar-link__section" id=m-zh-cndocsreferencesxml><span>XML 配置</span></a></label><ul class="ul-3 foldable"><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsreferencesxmldubbo-application-li><input type=checkbox id=m-zh-cndocsreferencesxmldubbo-application-check> |
| <label for=m-zh-cndocsreferencesxmldubbo-application-check><a href=/zh-cn/docs/references/xml/dubbo-application/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsreferencesxmldubbo-application><span>dubbo:application</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsreferencesxmldubbo-argument-li><input type=checkbox id=m-zh-cndocsreferencesxmldubbo-argument-check> |
| <label for=m-zh-cndocsreferencesxmldubbo-argument-check><a href=/zh-cn/docs/references/xml/dubbo-argument/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsreferencesxmldubbo-argument><span>dubbo:argument</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsreferencesxmldubbo-config-center-li><input type=checkbox id=m-zh-cndocsreferencesxmldubbo-config-center-check> |
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| <label for=m-zh-cndocsperformancebenchmarking-check><a href=/zh-cn/docs/performance/benchmarking/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsperformancebenchmarking><span>基准测试</span></a></label></li></ul></li></ul></li></ul></nav></div></div><main class="col-12 col-md-9 col-xl-8 pl-md-5" role=main><nav aria-label=breadcrumb class=td-breadcrumbs><ol class=breadcrumb><li class=breadcrumb-item><a href=https://cn.dubbo.apache.org/zh-cn/docs/>文档</a></li><li class=breadcrumb-item><a href=https://cn.dubbo.apache.org/zh-cn/docs/advanced/>高级用法</a></li><li class="breadcrumb-item active" aria-current=page><a href=https://cn.dubbo.apache.org/zh-cn/docs/advanced/routing-rule/ aria-disabled=true class="btn-link disabled">路由规则</a></li></ol></nav><div class=td-content><h1>路由规则</h1><div class=lead>通过 Dubbo 中的路由规则做服务治理</div><header class=article-meta></header><div class="pageinfo pageinfo-primary"><p>此文档已经不再维护。您当前查看的是快照版本。如果想要查看最新版本的文档，请参阅<a href=/zh-cn/overview/core-features/traffic/>最新版本</a>。</p></div><p>路由规则在发起一次RPC调用前起到过滤目标服务器地址的作用，过滤后的地址列表，将作为消费端最终发起RPC调用的备选地址。</p><ul><li>条件路由。支持以服务或 Consumer 应用为粒度配置路由规则。</li><li>标签路由。以 Provider 应用为粒度配置路由规则。</li></ul><p>后续我们计划在 2.6.x 版本的基础上继续增强脚本路由功能。</p><h2 id=条件路由>条件路由</h2><p>您可以随时在服务治理控制台 <a href=https://github.com/apache/dubbo-admin>Dubbo-Admin</a> 写入路由规则</p><h3 id=简介>简介</h3><ul><li><p>应用粒度</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-yaml data-lang=yaml><span style=display:flex><span><span style=color:#586e75># app1的消费者只能消费所有端口为20880的服务实例</span> |
| </span></span><span style=display:flex><span><span style=color:#586e75># app2的消费者只能消费所有端口为20881的服务实例</span> |
| </span></span><span style=display:flex><span>--- |
| </span></span><span style=display:flex><span><span style=color:#268bd2>scope</span>: application |
| </span></span><span style=display:flex><span><span style=color:#268bd2>force</span>: <span style=color:#cb4b16>true</span> |
| </span></span><span style=display:flex><span><span style=color:#268bd2>runtime</span>: <span style=color:#cb4b16>true</span> |
| </span></span><span style=display:flex><span><span style=color:#268bd2>enabled</span>: <span style=color:#cb4b16>true</span> |
| </span></span><span style=display:flex><span><span style=color:#268bd2>key</span>: governance-conditionrouter-consumer |
| </span></span><span style=display:flex><span><span style=color:#268bd2>conditions</span>: |
| </span></span><span style=display:flex><span> - application=app1 => address=*:20880 |
| </span></span><span style=display:flex><span> - application=app2 => address=*:20881 |
| </span></span><span style=display:flex><span>... |
| </span></span></code></pre></div></li><li><p>服务粒度</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-yaml data-lang=yaml><span style=display:flex><span><span style=color:#586e75># DemoService的sayHello方法只能消费所有端口为20880的服务实例</span> |
| </span></span><span style=display:flex><span><span style=color:#586e75># DemoService的sayHi方法只能消费所有端口为20881的服务实例</span> |
| </span></span><span style=display:flex><span>--- |
| </span></span><span style=display:flex><span><span style=color:#268bd2>scope</span>: service |
| </span></span><span style=display:flex><span><span style=color:#268bd2>force</span>: <span style=color:#cb4b16>true</span> |
| </span></span><span style=display:flex><span><span style=color:#268bd2>runtime</span>: <span style=color:#cb4b16>true</span> |
| </span></span><span style=display:flex><span><span style=color:#268bd2>enabled</span>: <span style=color:#cb4b16>true</span> |
| </span></span><span style=display:flex><span><span style=color:#268bd2>key</span>: org.apache.dubbo.samples.governance.api.DemoService |
| </span></span><span style=display:flex><span><span style=color:#268bd2>conditions</span>: |
| </span></span><span style=display:flex><span> - method=sayHello => address=*:20880 |
| </span></span><span style=display:flex><span> - method=sayHi => address=*:20881 |
| </span></span><span style=display:flex><span>... |
| </span></span></code></pre></div></li></ul><h3 id=规则详解>规则详解</h3><h4 id=各字段含义>各字段含义</h4><ul><li><code>scope</code>表示路由规则的作用粒度，scope的取值会决定key的取值。<strong>必填</strong>。<ul><li>service 服务粒度</li><li>application 应用粒度</li></ul></li><li><code>Key</code>明确规则体作用在哪个服务或应用。<strong>必填</strong>。<ul><li>scope=service时，key取值为[{group}:]{service}[:{version}]的组合</li><li>scope=application时，key取值为application名称</li></ul></li><li><code>enabled=true</code> 当前路由规则是否生效，可不填，缺省生效。</li><li><code>force=false</code> 当路由结果为空时，是否强制执行，如果不强制执行，路由结果为空的路由规则将自动失效，可不填，缺省为 <code>false</code>。</li><li><code>runtime=false</code> 是否在每次调用时执行路由规则，否则只在提供者地址列表变更时预先执行并缓存结果，调用时直接从缓存中获取路由结果。如果用了参数路由，必须设为 <code>true</code>，需要注意设置会影响调用的性能，可不填，缺省为 <code>false</code>。</li><li><code>priority=1</code> 路由规则的优先级，用于排序，优先级越大越靠前执行，可不填，缺省为 <code>0</code>。</li><li><code>conditions</code> 定义具体的路由规则内容。<strong>必填</strong>。</li></ul><h4 id=conditions规则体>Conditions规则体</h4><pre><code>`conditions`部分是规则的主体，由1到任意多条规则组成，下面我们就每个规则的配置语法做详细说明： |
| </code></pre><ol><li><strong>格式</strong></li></ol><ul><li><code>=></code> 之前的为消费者匹配条件，所有参数和消费者的 URL 进行对比，当消费者满足匹配条件时，对该消费者执行后面的过滤规则。</li><li><code>=></code> 之后为提供者地址列表的过滤条件，所有参数和提供者的 URL 进行对比，消费者最终只拿到过滤后的地址列表。</li><li>如果匹配条件为空，表示对所有消费方应用，如：<code>=> host != 10.20.153.11</code></li><li>如果过滤条件为空，表示禁止访问，如：<code>host = 10.20.153.10 =></code></li></ul><ol start=2><li><strong>表达式</strong></li></ol><p>参数支持：</p><ul><li>服务调用信息，如：method, argument 等，暂不支持参数路由</li><li>URL 本身的字段，如：protocol, host, port 等</li><li>以及 URL 上的所有参数，如：application, organization 等</li></ul><p>条件支持：</p><ul><li>等号 <code>=</code> 表示"匹配"，如：<code>host = 10.20.153.10</code></li><li>不等号 <code>!=</code> 表示"不匹配"，如：<code>host != 10.20.153.10</code></li></ul><p>值支持：</p><ul><li>以逗号 <code>,</code> 分隔多个值，如：<code>host != 10.20.153.10,10.20.153.11</code></li><li>以星号 <code>*</code> 结尾，表示通配，如：<code>host != 10.20.*</code></li><li>以美元符 <code>$</code> 开头，表示引用消费者参数，如：<code>host = $host</code></li></ul><ol start=3><li><strong>Condition示例</strong></li></ol><ul><li>排除预发布机：</li></ul><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>=> host != 172.22.3.91 |
| </span></span></code></pre></div><ul><li>白名单：</li></ul><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>register.ip != 10.20.153.10,10.20.153.11 => |
| </span></span></code></pre></div><div class="alert alert-warning" role=alert><h4 class=alert-heading>注意</h4>一个服务只能有一条白名单规则，否则两条规则交叉，就都被筛选掉了</div><ul><li>黑名单：</li></ul><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>register.ip = 10.20.153.10,10.20.153.11 => |
| </span></span></code></pre></div><ul><li>服务寄宿在应用上，只暴露一部分的机器，防止整个集群挂掉：</li></ul><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>=> host = 172.22.3.1*,172.22.3.2* |
| </span></span></code></pre></div><ul><li>为重要应用提供额外的机器：</li></ul><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>application != kylin => host != 172.22.3.95,172.22.3.96 |
| </span></span></code></pre></div><ul><li>读写分离：</li></ul><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>method = find*,list*,get*,is* => host = 172.22.3.94,172.22.3.95,172.22.3.96 |
| </span></span><span style=display:flex><span>method != find*,list*,get*,is* => host = 172.22.3.97,172.22.3.98 |
| </span></span></code></pre></div><ul><li>前后台分离：</li></ul><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>application = bops => host = 172.22.3.91,172.22.3.92,172.22.3.93 |
| </span></span><span style=display:flex><span>application != bops => host = 172.22.3.94,172.22.3.95,172.22.3.96 |
| </span></span></code></pre></div><ul><li>隔离不同机房网段：</li></ul><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>host != 172.22.3.* => host != 172.22.3.* |
| </span></span></code></pre></div><ul><li>提供者与消费者部署在同集群内，本机只访问本机的服务：</li></ul><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>=> host = $host |
| </span></span></code></pre></div><h2 id=标签路由规则>标签路由规则</h2><h3 id=简介-1>简介</h3><p>标签路由通过将某一个或多个服务的提供者划分到同一个分组，约束流量只在指定分组中流转，从而实现流量隔离的目的，可以作为蓝绿发布、灰度发布等场景的能力基础。</p><h4 id=provider>Provider</h4><p>标签主要是指对Provider端应用实例的分组，目前有两种方式可以完成实例分组，分别是<code>动态规则打标</code>和<code>静态规则打标</code>，其中动态规则相较于静态规则优先级更高，而当两种规则同时存在且出现冲突时，将以动态规则为准。</p><ul><li><p>动态规则打标，可随时在<strong>服务治理控制台</strong>下发标签归组规则</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-yaml data-lang=yaml><span style=display:flex><span><span style=color:#586e75># governance-tagrouter-provider应用增加了两个标签分组tag1和tag2</span> |
| </span></span><span style=display:flex><span><span style=color:#586e75># tag1包含一个实例 127.0.0.1:20880</span> |
| </span></span><span style=display:flex><span><span style=color:#586e75># tag2包含一个实例 127.0.0.1:20881</span> |
| </span></span><span style=display:flex><span>--- |
| </span></span><span style=display:flex><span> <span style=color:#268bd2>force</span>: <span style=color:#cb4b16>false</span> |
| </span></span><span style=display:flex><span> <span style=color:#268bd2>runtime</span>: <span style=color:#cb4b16>true</span> |
| </span></span><span style=display:flex><span> <span style=color:#268bd2>enabled</span>: <span style=color:#cb4b16>true</span> |
| </span></span><span style=display:flex><span> <span style=color:#268bd2>key</span>: governance-tagrouter-provider |
| </span></span><span style=display:flex><span> <span style=color:#268bd2>tags</span>: |
| </span></span><span style=display:flex><span> - <span style=color:#268bd2>name</span>: tag1 |
| </span></span><span style=display:flex><span> <span style=color:#268bd2>addresses</span>: [<span style=color:#2aa198>"127.0.0.1:20880"</span>] |
| </span></span><span style=display:flex><span> - <span style=color:#268bd2>name</span>: tag2 |
| </span></span><span style=display:flex><span> <span style=color:#268bd2>addresses</span>: [<span style=color:#2aa198>"127.0.0.1:20881"</span>] |
| </span></span><span style=display:flex><span> ... |
| </span></span></code></pre></div></li><li><p>静态打标</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-xml data-lang=xml><span style=display:flex><span><span style=color:#268bd2><dubbo:provider</span> tag=<span style=color:#2aa198>"tag1"</span><span style=color:#268bd2>/></span> |
| </span></span></code></pre></div><p>or</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-xml data-lang=xml><span style=display:flex><span><span style=color:#268bd2><dubbo:service</span> tag=<span style=color:#2aa198>"tag1"</span><span style=color:#268bd2>/></span> |
| </span></span></code></pre></div><p>or</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-properties data-lang=properties><span style=display:flex><span>java <span style=color:#2aa198>-jar xxx-provider.jar -Ddubbo.provider.tag={the tag you want, may come from OS ENV}</span> |
| </span></span></code></pre></div></li></ul><h4 id=consumer>Consumer</h4><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-java data-lang=java><span style=display:flex><span>RpcContext.getContext().setAttachment(Constants.TAG_KEY,<span style=color:#2aa198>"tag1"</span>); |
| </span></span></code></pre></div><p>请求标签的作用域为每一次 invocation，使用 attachment 来传递请求标签，注意保存在 attachment 中的值将会在一次完整的远程调用中持续传递，得益于这样的特性，我们只需要在起始调用时，通过一行代码的设置，达到标签的持续传递。</p><blockquote><p>目前仅仅支持 hardcoding 的方式设置 dubboTag。注意到 RpcContext 是线程绑定的，优雅的使用 TagRouter 特性，建议通过 servlet 过滤器(在 web 环境下)，或者定制的 SPI 过滤器设置 dubboTag。</p></blockquote><h3 id=规则详解-1>规则详解</h3><h4 id=格式>格式</h4><ul><li><code>Key</code>明确规则体作用到哪个应用。<strong>必填</strong>。</li><li><code>enabled=true</code> 当前路由规则是否生效，可不填，缺省生效。</li><li><code>force=false</code> 当路由结果为空时，是否强制执行，如果不强制执行，路由结果为空的路由规则将自动失效，可不填，缺省为 <code>false</code>。</li><li><code>runtime=false</code> 是否在每次调用时执行路由规则，否则只在提供者地址列表变更时预先执行并缓存结果，调用时直接从缓存中获取路由结果。如果用了参数路由，必须设为 <code>true</code>，需要注意设置会影响调用的性能，可不填，缺省为 <code>false</code>。</li><li><code>priority=1</code> 路由规则的优先级，用于排序，优先级越大越靠前执行，可不填，缺省为 <code>0</code>。</li><li><code>tags</code> 定义具体的标签分组内容，可定义任意n（n>=1）个标签并为每个标签指定实例列表。<strong>必填</strong>。<ul><li>name， 标签名称</li></ul></li><li>addresses， 当前标签包含的实例列表</li></ul><h4 id=降级约定>降级约定</h4><ol><li><p><code>dubbo.tag=tag1</code> 时优先选择 标记了<code>tag=tag1</code> 的 provider。若集群中不存在与请求标记对应的服务，默认将降级请求 tag为空的provider；如果要改变这种默认行为，即找不到匹配tag1的provider返回异常，需设置<code>dubbo.force.tag=true</code>。</p></li><li><p><code>dubbo.tag</code>未设置时，只会匹配tag为空的provider。即使集群中存在可用的服务，若 tag 不匹配也就无法调用，这与约定1不同，携带标签的请求可以降级访问到无标签的服务，但不携带标签/携带其他种类标签的请求永远无法访问到其他标签的服务。</p></li></ol><div class="alert alert-primary" role=alert><h4 class=alert-heading>提示</h4><p><code>2.6.x</code> 版本以及更早的版本请使用<a href=../routing-rule-deprecated>老版本路由规则</a></p><p>自定义路由参考<a href=/zh-cn/overview/mannual/java-sdk/reference-manual/spi/description/router/>路由扩展</a></p></div><div id=pre-footer><h2>反馈</h2><p class=feedback--prompt>此页是否对您有帮助？</p><button class="btn btn-primary mb-4 feedback--yes">是</button> |
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