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| <label for=m-zh-cndocsv27userexamplesgeneric-invoke-with-json-check><a href=/zh-cn/docsv2.7/user/examples/generic-invoke-with-json/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27userexamplesgeneric-invoke-with-json><span>JSON泛化调用</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27userexamplesmsgpack-serialization-li><input type=checkbox id=m-zh-cndocsv27userexamplesmsgpack-serialization-check> |
| <label for=m-zh-cndocsv27userexamplesmsgpack-serialization-check><a href=/zh-cn/docsv2.7/user/examples/msgpack-serialization/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27userexamplesmsgpack-serialization><span>msgpack序列化</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27userexamplesprovider-timeout-release-li><input type=checkbox id=m-zh-cndocsv27userexamplesprovider-timeout-release-check> |
| <label for=m-zh-cndocsv27userexamplesprovider-timeout-release-check><a href=/zh-cn/docsv2.7/user/examples/provider-timeout-release/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27userexamplesprovider-timeout-release><span>provider超时打断</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27userexamplesresult-cache-li><input type=checkbox id=m-zh-cndocsv27userexamplesresult-cache-check> |
| <label for=m-zh-cndocsv27userexamplesresult-cache-check><a href=/zh-cn/docsv2.7/user/examples/result-cache/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27userexamplesresult-cache><span>结果缓存</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27userexamplesbroadcast-resp-collect-li><input type=checkbox id=m-zh-cndocsv27userexamplesbroadcast-resp-collect-check> |
| <label for=m-zh-cndocsv27userexamplesbroadcast-resp-collect-check><a href=/zh-cn/docsv2.7/user/examples/broadcast-resp-collect/ title=收集Dubbo广播响应 class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27userexamplesbroadcast-resp-collect><span>收集广播响应</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27userexamplesinvoke-with-specified-ip-li><input type=checkbox id=m-zh-cndocsv27userexamplesinvoke-with-specified-ip-check> |
| <label for=m-zh-cndocsv27userexamplesinvoke-with-specified-ip-check><a href=/zh-cn/docsv2.7/user/examples/invoke-with-specified-ip/ title="指定Ip Port调用Provider" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27userexamplesinvoke-with-specified-ip><span>指定IP</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27userexamplesgeneric-reference-li><input type=checkbox id=m-zh-cndocsv27userexamplesgeneric-reference-check> |
| <label for=m-zh-cndocsv27userexamplesgeneric-reference-check><a href=/zh-cn/docsv2.7/user/examples/generic-reference/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27userexamplesgeneric-reference><span>使用泛化调用</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27userexamplesprotobuf-idl-li><input type=checkbox id=m-zh-cndocsv27userexamplesprotobuf-idl-check> |
| <label for=m-zh-cndocsv27userexamplesprotobuf-idl-check><a href=/zh-cn/docsv2.7/user/examples/protobuf-idl/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27userexamplesprotobuf-idl><span>Protobuf</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27userexamplespb-generic-reference-li><input type=checkbox id=m-zh-cndocsv27userexamplespb-generic-reference-check> |
| <label for=m-zh-cndocsv27userexamplespb-generic-reference-check><a href=/zh-cn/docsv2.7/user/examples/pb-generic-reference/ title="GoogleProtobuf 对象泛化调用" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27userexamplespb-generic-reference><span>Protobuf 泛化调用</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27userexamplesgeneric-service-li><input type=checkbox id=m-zh-cndocsv27userexamplesgeneric-service-check> |
| <label for=m-zh-cndocsv27userexamplesgeneric-service-check><a href=/zh-cn/docsv2.7/user/examples/generic-service/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27userexamplesgeneric-service><span>实现泛化调用</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27userexamplesecho-service-li><input type=checkbox id=m-zh-cndocsv27userexamplesecho-service-check> |
| <label for=m-zh-cndocsv27userexamplesecho-service-check><a href=/zh-cn/docsv2.7/user/examples/echo-service/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27userexamplesecho-service><span>回声测试</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27userexamplescontext-li><input type=checkbox id=m-zh-cndocsv27userexamplescontext-check> |
| <label for=m-zh-cndocsv27userexamplescontext-check><a href=/zh-cn/docsv2.7/user/examples/context/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27userexamplescontext><span>上下文信息</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27userexamplesattachment-li><input type=checkbox id=m-zh-cndocsv27userexamplesattachment-check> |
| <label for=m-zh-cndocsv27userexamplesattachment-check><a href=/zh-cn/docsv2.7/user/examples/attachment/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27userexamplesattachment><span>隐式参数</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27userexamplesasync-call-li><input type=checkbox id=m-zh-cndocsv27userexamplesasync-call-check> |
| <label for=m-zh-cndocsv27userexamplesasync-call-check><a href=/zh-cn/docsv2.7/user/examples/async-call/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27userexamplesasync-call><span>异步调用</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27userexamplesasync-execute-on-provider-li><input type=checkbox id=m-zh-cndocsv27userexamplesasync-execute-on-provider-check> |
| <label for=m-zh-cndocsv27userexamplesasync-execute-on-provider-check><a href=/zh-cn/docsv2.7/user/examples/async-execute-on-provider/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27userexamplesasync-execute-on-provider><span>异步执行</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27userexampleslocal-call-li><input type=checkbox id=m-zh-cndocsv27userexampleslocal-call-check> |
| <label for=m-zh-cndocsv27userexampleslocal-call-check><a href=/zh-cn/docsv2.7/user/examples/local-call/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27userexampleslocal-call><span>本地调用</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27userexamplescallback-parameter-li><input type=checkbox id=m-zh-cndocsv27userexamplescallback-parameter-check> |
| <label for=m-zh-cndocsv27userexamplescallback-parameter-check><a href=/zh-cn/docsv2.7/user/examples/callback-parameter/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27userexamplescallback-parameter><span>参数回调</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27userexamplesevents-notify-li><input type=checkbox id=m-zh-cndocsv27userexamplesevents-notify-check> |
| <label for=m-zh-cndocsv27userexamplesevents-notify-check><a href=/zh-cn/docsv2.7/user/examples/events-notify/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27userexamplesevents-notify><span>事件通知</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27userexampleslocal-stub-li><input type=checkbox id=m-zh-cndocsv27userexampleslocal-stub-check> |
| <label for=m-zh-cndocsv27userexampleslocal-stub-check><a href=/zh-cn/docsv2.7/user/examples/local-stub/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27userexampleslocal-stub><span>本地存根</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27userexampleslocal-mock-li><input type=checkbox id=m-zh-cndocsv27userexampleslocal-mock-check> |
| <label for=m-zh-cndocsv27userexampleslocal-mock-check><a href=/zh-cn/docsv2.7/user/examples/local-mock/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27userexampleslocal-mock><span>本地伪装</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27userexamplesdelay-publish-li><input type=checkbox id=m-zh-cndocsv27userexamplesdelay-publish-check> |
| <label for=m-zh-cndocsv27userexamplesdelay-publish-check><a href=/zh-cn/docsv2.7/user/examples/delay-publish/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27userexamplesdelay-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-cndocsv27userexamplesconcurrency-control-li><input type=checkbox id=m-zh-cndocsv27userexamplesconcurrency-control-check> |
| <label for=m-zh-cndocsv27userexamplesconcurrency-control-check><a href=/zh-cn/docsv2.7/user/examples/concurrency-control/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27userexamplesconcurrency-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-cndocsv27userexamplesconfig-connections-li><input type=checkbox id=m-zh-cndocsv27userexamplesconfig-connections-check> |
| <label for=m-zh-cndocsv27userexamplesconfig-connections-check><a href=/zh-cn/docsv2.7/user/examples/config-connections/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27userexamplesconfig-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-cndocsv27userexampleslazy-connect-li><input type=checkbox id=m-zh-cndocsv27userexampleslazy-connect-check> |
| <label for=m-zh-cndocsv27userexampleslazy-connect-check><a href=/zh-cn/docsv2.7/user/examples/lazy-connect/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27userexampleslazy-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-cndocsv27userexamplesstickiness-li><input type=checkbox id=m-zh-cndocsv27userexamplesstickiness-check> |
| <label for=m-zh-cndocsv27userexamplesstickiness-check><a href=/zh-cn/docsv2.7/user/examples/stickiness/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27userexamplesstickiness><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-cndocsv27userexamplestls-li><input type=checkbox id=m-zh-cndocsv27userexamplestls-check> |
| <label for=m-zh-cndocsv27userexamplestls-check><a href=/zh-cn/docsv2.7/user/examples/tls/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27userexamplestls><span>TLS</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27userexamplestoken-authorization-li><input type=checkbox id=m-zh-cndocsv27userexamplestoken-authorization-check> |
| <label for=m-zh-cndocsv27userexamplestoken-authorization-check><a href=/zh-cn/docsv2.7/user/examples/token-authorization/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27userexamplestoken-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-cndocsv27userexamplesrouting-rule-li><input type=checkbox id=m-zh-cndocsv27userexamplesrouting-rule-check> |
| <label for=m-zh-cndocsv27userexamplesrouting-rule-check><a href=/zh-cn/docsv2.7/user/examples/routing-rule/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27userexamplesrouting-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-cndocsv27userexamplesrouting-rule-deprecated-li><input type=checkbox id=m-zh-cndocsv27userexamplesrouting-rule-deprecated-check> |
| <label for=m-zh-cndocsv27userexamplesrouting-rule-deprecated-check><a href=/zh-cn/docsv2.7/user/examples/routing-rule-deprecated/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27userexamplesrouting-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-cndocsv27userexamplesconfig-rule-li><input type=checkbox id=m-zh-cndocsv27userexamplesconfig-rule-check> |
| <label for=m-zh-cndocsv27userexamplesconfig-rule-check><a href=/zh-cn/docsv2.7/user/examples/config-rule/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27userexamplesconfig-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-cndocsv27userexamplesservice-downgrade-li><input type=checkbox id=m-zh-cndocsv27userexamplesservice-downgrade-check> |
| <label for=m-zh-cndocsv27userexamplesservice-downgrade-check><a href=/zh-cn/docsv2.7/user/examples/service-downgrade/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27userexamplesservice-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-cndocsv27userexamplesconfig-rule-deprecated-li><input type=checkbox id=m-zh-cndocsv27userexamplesconfig-rule-deprecated-check> |
| <label for=m-zh-cndocsv27userexamplesconfig-rule-deprecated-check><a href=/zh-cn/docsv2.7/user/examples/config-rule-deprecated/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27userexamplesconfig-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-cndocsv27userexamplesconsumer-threadpool-li><input type=checkbox id=m-zh-cndocsv27userexamplesconsumer-threadpool-check> |
| <label for=m-zh-cndocsv27userexamplesconsumer-threadpool-check><a href=/zh-cn/docsv2.7/user/examples/consumer-threadpool/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27userexamplesconsumer-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-cndocsv27userexamplesgraceful-shutdown-li><input type=checkbox id=m-zh-cndocsv27userexamplesgraceful-shutdown-check> |
| <label for=m-zh-cndocsv27userexamplesgraceful-shutdown-check><a href=/zh-cn/docsv2.7/user/examples/graceful-shutdown/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27userexamplesgraceful-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-cndocsv27userexampleshostname-binding-li><input type=checkbox id=m-zh-cndocsv27userexampleshostname-binding-check> |
| <label for=m-zh-cndocsv27userexampleshostname-binding-check><a href=/zh-cn/docsv2.7/user/examples/hostname-binding/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27userexampleshostname-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-cndocsv27userexamplesset-host-li><input type=checkbox id=m-zh-cndocsv27userexamplesset-host-check> |
| <label for=m-zh-cndocsv27userexamplesset-host-check><a href=/zh-cn/docsv2.7/user/examples/set-host/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27userexamplesset-host><span>主机配置</span></a></label></li></ul></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section with-child" id=m-zh-cndocsv27userreferences-li><input type=checkbox id=m-zh-cndocsv27userreferences-check> |
| <label for=m-zh-cndocsv27userreferences-check><a href=/zh-cn/docsv2.7/user/references/ class="align-left pl-0 td-sidebar-link td-sidebar-link__section" id=m-zh-cndocsv27userreferences><span>参考手册</span></a></label><ul class="ul-3 foldable"><li class="td-sidebar-nav__section-title td-sidebar-nav__section with-child" id=m-zh-cndocsv27userreferencesxml-li><input type=checkbox id=m-zh-cndocsv27userreferencesxml-check> |
| <label for=m-zh-cndocsv27userreferencesxml-check><a href=/zh-cn/docsv2.7/user/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-cndocsv27userreferencesxml><span>XML 配置</span></a></label><ul class="ul-4 foldable"><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27userreferencesxmldubbo-application-li><input type=checkbox id=m-zh-cndocsv27userreferencesxmldubbo-application-check> |
| <label for=m-zh-cndocsv27userreferencesxmldubbo-application-check><a href=/zh-cn/docsv2.7/user/references/xml/dubbo-application/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27userreferencesxmldubbo-application><span>dubbo:application</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27userreferencesxmldubbo-argument-li><input type=checkbox id=m-zh-cndocsv27userreferencesxmldubbo-argument-check> |
| <label for=m-zh-cndocsv27userreferencesxmldubbo-argument-check><a href=/zh-cn/docsv2.7/user/references/xml/dubbo-argument/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27userreferencesxmldubbo-argument><span>dubbo:argument</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27userreferencesxmldubbo-config-center-li><input type=checkbox id=m-zh-cndocsv27userreferencesxmldubbo-config-center-check> |
| <label for=m-zh-cndocsv27userreferencesxmldubbo-config-center-check><a href=/zh-cn/docsv2.7/user/references/xml/dubbo-config-center/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27userreferencesxmldubbo-config-center><span>dubbo:config-center</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27userreferencesxmldubbo-consumer-li><input type=checkbox id=m-zh-cndocsv27userreferencesxmldubbo-consumer-check> |
| <label for=m-zh-cndocsv27userreferencesxmldubbo-consumer-check><a href=/zh-cn/docsv2.7/user/references/xml/dubbo-consumer/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27userreferencesxmldubbo-consumer><span>dubbo:consumer</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27userreferencesxmldubbo-method-li><input type=checkbox id=m-zh-cndocsv27userreferencesxmldubbo-method-check> |
| <label for=m-zh-cndocsv27userreferencesxmldubbo-method-check><a href=/zh-cn/docsv2.7/user/references/xml/dubbo-method/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27userreferencesxmldubbo-method><span>dubbo:method</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27userreferencesxmldubbo-module-li><input type=checkbox id=m-zh-cndocsv27userreferencesxmldubbo-module-check> |
| <label for=m-zh-cndocsv27userreferencesxmldubbo-module-check><a href=/zh-cn/docsv2.7/user/references/xml/dubbo-module/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27userreferencesxmldubbo-module><span>dubbo:module</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27userreferencesxmldubbo-monitor-li><input type=checkbox id=m-zh-cndocsv27userreferencesxmldubbo-monitor-check> |
| <label for=m-zh-cndocsv27userreferencesxmldubbo-monitor-check><a href=/zh-cn/docsv2.7/user/references/xml/dubbo-monitor/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27userreferencesxmldubbo-monitor><span>dubbo:monitor</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27userreferencesxmldubbo-parameter-li><input type=checkbox id=m-zh-cndocsv27userreferencesxmldubbo-parameter-check> |
| <label for=m-zh-cndocsv27userreferencesxmldubbo-parameter-check><a href=/zh-cn/docsv2.7/user/references/xml/dubbo-parameter/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27userreferencesxmldubbo-parameter><span>dubbo:parameter</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27userreferencesxmldubbo-protocol-li><input type=checkbox id=m-zh-cndocsv27userreferencesxmldubbo-protocol-check> |
| <label for=m-zh-cndocsv27userreferencesxmldubbo-protocol-check><a href=/zh-cn/docsv2.7/user/references/xml/dubbo-protocol/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27userreferencesxmldubbo-protocol><span>dubbo:protocol</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27userreferencesxmldubbo-provider-li><input type=checkbox id=m-zh-cndocsv27userreferencesxmldubbo-provider-check> |
| <label for=m-zh-cndocsv27userreferencesxmldubbo-provider-check><a href=/zh-cn/docsv2.7/user/references/xml/dubbo-provider/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27userreferencesxmldubbo-provider><span>dubbo:provider</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27userreferencesxmldubbo-reference-li><input type=checkbox id=m-zh-cndocsv27userreferencesxmldubbo-reference-check> |
| <label for=m-zh-cndocsv27userreferencesxmldubbo-reference-check><a href=/zh-cn/docsv2.7/user/references/xml/dubbo-reference/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27userreferencesxmldubbo-reference><span>dubbo:reference</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27userreferencesxmldubbo-registry-li><input type=checkbox id=m-zh-cndocsv27userreferencesxmldubbo-registry-check> |
| <label for=m-zh-cndocsv27userreferencesxmldubbo-registry-check><a href=/zh-cn/docsv2.7/user/references/xml/dubbo-registry/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27userreferencesxmldubbo-registry><span>dubbo:registry</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27userreferencesxmldubbo-service-li><input type=checkbox id=m-zh-cndocsv27userreferencesxmldubbo-service-check> |
| <label for=m-zh-cndocsv27userreferencesxmldubbo-service-check><a href=/zh-cn/docsv2.7/user/references/xml/dubbo-service/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27userreferencesxmldubbo-service><span>dubbo:service</span></a></label></li></ul></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section with-child" id=m-zh-cndocsv27userreferencesprotocol-li><input type=checkbox id=m-zh-cndocsv27userreferencesprotocol-check> |
| <label for=m-zh-cndocsv27userreferencesprotocol-check><a href=/zh-cn/docsv2.7/user/references/protocol/ class="align-left pl-0 td-sidebar-link td-sidebar-link__section" id=m-zh-cndocsv27userreferencesprotocol><span>协议参考手册</span></a></label><ul class="ul-4 foldable"><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27userreferencesprotocoldubbo-li><input type=checkbox id=m-zh-cndocsv27userreferencesprotocoldubbo-check> |
| <label for=m-zh-cndocsv27userreferencesprotocoldubbo-check><a href=/zh-cn/docsv2.7/user/references/protocol/dubbo/ title="dubbo 协议" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27userreferencesprotocoldubbo><span>dubbo://</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27userreferencesprotocolrest-li><input type=checkbox id=m-zh-cndocsv27userreferencesprotocolrest-check> |
| <label for=m-zh-cndocsv27userreferencesprotocolrest-check><a href=/zh-cn/docsv2.7/user/references/protocol/rest/ title="rest 协议" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27userreferencesprotocolrest><span>rest://</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27userreferencesprotocolhttp-li><input type=checkbox id=m-zh-cndocsv27userreferencesprotocolhttp-check> |
| <label for=m-zh-cndocsv27userreferencesprotocolhttp-check><a href=/zh-cn/docsv2.7/user/references/protocol/http/ title="http 协议" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27userreferencesprotocolhttp><span>http://</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27userreferencesprotocolhessian-li><input type=checkbox id=m-zh-cndocsv27userreferencesprotocolhessian-check> |
| <label for=m-zh-cndocsv27userreferencesprotocolhessian-check><a href=/zh-cn/docsv2.7/user/references/protocol/hessian/ title="hessian 协议" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27userreferencesprotocolhessian><span>hessian://</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27userreferencesprotocolredis-li><input type=checkbox id=m-zh-cndocsv27userreferencesprotocolredis-check> |
| <label for=m-zh-cndocsv27userreferencesprotocolredis-check><a href=/zh-cn/docsv2.7/user/references/protocol/redis/ title="redis 协议" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27userreferencesprotocolredis><span>redis://</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27userreferencesprotocolthrift-li><input type=checkbox id=m-zh-cndocsv27userreferencesprotocolthrift-check> |
| <label for=m-zh-cndocsv27userreferencesprotocolthrift-check><a href=/zh-cn/docsv2.7/user/references/protocol/thrift/ title="thrift 协议" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27userreferencesprotocolthrift><span>thrift://</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27userreferencesprotocolgrpc-li><input type=checkbox id=m-zh-cndocsv27userreferencesprotocolgrpc-check> |
| <label for=m-zh-cndocsv27userreferencesprotocolgrpc-check><a href=/zh-cn/docsv2.7/user/references/protocol/grpc/ title="gRPC 协议" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27userreferencesprotocolgrpc><span>grpc://</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27userreferencesprotocolmemcached-li><input type=checkbox id=m-zh-cndocsv27userreferencesprotocolmemcached-check> |
| <label for=m-zh-cndocsv27userreferencesprotocolmemcached-check><a href=/zh-cn/docsv2.7/user/references/protocol/memcached/ title="memcached 协议" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27userreferencesprotocolmemcached><span>memcached://</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27userreferencesprotocolrmi-li><input type=checkbox id=m-zh-cndocsv27userreferencesprotocolrmi-check> |
| <label for=m-zh-cndocsv27userreferencesprotocolrmi-check><a href=/zh-cn/docsv2.7/user/references/protocol/rmi/ title="rmi 协议" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27userreferencesprotocolrmi><span>rmi://</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27userreferencesprotocolwebservice-li><input type=checkbox id=m-zh-cndocsv27userreferencesprotocolwebservice-check> |
| <label for=m-zh-cndocsv27userreferencesprotocolwebservice-check><a href=/zh-cn/docsv2.7/user/references/protocol/webservice/ title="webservice 协议" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27userreferencesprotocolwebservice><span>webservice://</span></a></label></li></ul></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section with-child" id=m-zh-cndocsv27userreferencesregistry-li><input type=checkbox id=m-zh-cndocsv27userreferencesregistry-check> |
| <label for=m-zh-cndocsv27userreferencesregistry-check><a href=/zh-cn/docsv2.7/user/references/registry/ class="align-left pl-0 td-sidebar-link td-sidebar-link__section" id=m-zh-cndocsv27userreferencesregistry><span>注册中心参考手册</span></a></label><ul class="ul-4 foldable"><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27userreferencesregistrynacos-li><input type=checkbox id=m-zh-cndocsv27userreferencesregistrynacos-check> |
| <label for=m-zh-cndocsv27userreferencesregistrynacos-check><a href=/zh-cn/docsv2.7/user/references/registry/nacos/ title="Nacos 注册中心" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27userreferencesregistrynacos><span>Nacos</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27userreferencesregistryzookeeper-li><input type=checkbox id=m-zh-cndocsv27userreferencesregistryzookeeper-check> |
| <label for=m-zh-cndocsv27userreferencesregistryzookeeper-check><a href=/zh-cn/docsv2.7/user/references/registry/zookeeper/ title="Zookeeper 注册中心" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27userreferencesregistryzookeeper><span>Zookeeper</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27userreferencesregistrymulticast-li><input type=checkbox id=m-zh-cndocsv27userreferencesregistrymulticast-check> |
| <label for=m-zh-cndocsv27userreferencesregistrymulticast-check><a href=/zh-cn/docsv2.7/user/references/registry/multicast/ title="Multicast 注册中心" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27userreferencesregistrymulticast><span>Multicast</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27userreferencesregistryredis-li><input type=checkbox id=m-zh-cndocsv27userreferencesregistryredis-check> |
| <label for=m-zh-cndocsv27userreferencesregistryredis-check><a href=/zh-cn/docsv2.7/user/references/registry/redis/ title="Redis 注册中心" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27userreferencesregistryredis><span>Redis</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27userreferencesregistrysimple-li><input type=checkbox id=m-zh-cndocsv27userreferencesregistrysimple-check> |
| <label for=m-zh-cndocsv27userreferencesregistrysimple-check><a href=/zh-cn/docsv2.7/user/references/registry/simple/ title="Simple 注册中心" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27userreferencesregistrysimple><span>Simple</span></a></label></li></ul></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27userreferencesmetadata-li><input type=checkbox id=m-zh-cndocsv27userreferencesmetadata-check> |
| <label for=m-zh-cndocsv27userreferencesmetadata-check><a href=/zh-cn/docsv2.7/user/references/metadata/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27userreferencesmetadata><span>元数据参考手册</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27userreferencesapi-li><input type=checkbox id=m-zh-cndocsv27userreferencesapi-check> |
| <label for=m-zh-cndocsv27userreferencesapi-check><a href=/zh-cn/docsv2.7/user/references/api/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27userreferencesapi><span>API 参考手册</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27userreferencesqos-li><input type=checkbox id=m-zh-cndocsv27userreferencesqos-check> |
| <label for=m-zh-cndocsv27userreferencesqos-check><a href=/zh-cn/docsv2.7/user/references/qos/ title=在线运维命令参考手册 class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27userreferencesqos><span>QOS 手册</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27userreferencestelnet-li><input type=checkbox id=m-zh-cndocsv27userreferencestelnet-check> |
| <label for=m-zh-cndocsv27userreferencestelnet-check><a href=/zh-cn/docsv2.7/user/references/telnet/ title="Telnet 命令参考手册" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27userreferencestelnet><span>Telnet 手册</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27userreferencesmaven-li><input type=checkbox id=m-zh-cndocsv27userreferencesmaven-check> |
| <label for=m-zh-cndocsv27userreferencesmaven-check><a href=/zh-cn/docsv2.7/user/references/maven/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27userreferencesmaven><span>Maven 插件参考手册</span></a></label></li></ul></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section with-child" id=m-zh-cndocsv27userversions-li><input type=checkbox id=m-zh-cndocsv27userversions-check> |
| <label for=m-zh-cndocsv27userversions-check><a href=/zh-cn/docsv2.7/user/versions/ class="align-left pl-0 td-sidebar-link td-sidebar-link__section" id=m-zh-cndocsv27userversions><span>版本升级</span></a></label><ul class="ul-3 foldable"><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27userversionsversion-270-li><input type=checkbox id=m-zh-cndocsv27userversionsversion-270-check> |
| <label for=m-zh-cndocsv27userversionsversion-270-check><a href=/zh-cn/docsv2.7/user/versions/version-270/ title=升级与可能的兼容性问题总结 class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27userversionsversion-270><span>2.7.0</span></a></label></li></ul></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27userbest-practice-li><input type=checkbox id=m-zh-cndocsv27userbest-practice-check> |
| <label for=m-zh-cndocsv27userbest-practice-check><a href=/zh-cn/docsv2.7/user/best-practice/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27userbest-practice><span>服务化最佳实践</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27userrecommend-li><input type=checkbox id=m-zh-cndocsv27userrecommend-check> |
| <label for=m-zh-cndocsv27userrecommend-check><a href=/zh-cn/docsv2.7/user/recommend/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27userrecommend><span>推荐用法</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27usercapacity-plan-li><input type=checkbox id=m-zh-cndocsv27usercapacity-plan-check> |
| <label for=m-zh-cndocsv27usercapacity-plan-check><a href=/zh-cn/docsv2.7/user/capacity-plan/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27usercapacity-plan><span>容量规划</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27userperf-test-li><input type=checkbox id=m-zh-cndocsv27userperf-test-check> |
| <label for=m-zh-cndocsv27userperf-test-check><a href=/zh-cn/docsv2.7/user/perf-test/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27userperf-test><span>性能测试报告</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27usercoveragence-li><input type=checkbox id=m-zh-cndocsv27usercoveragence-check> |
| <label for=m-zh-cndocsv27usercoveragence-check><a href=/zh-cn/docsv2.7/user/coveragence/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27usercoveragence><span>测试覆盖率报告</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27userbenchmark-tool-li><input type=checkbox id=m-zh-cndocsv27userbenchmark-tool-check> |
| <label for=m-zh-cndocsv27userbenchmark-tool-check><a href=/zh-cn/docsv2.7/user/benchmark-tool/ title=基准测试工具包 class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27userbenchmark-tool><span>基准测试</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27userrest-li><input type=checkbox id=m-zh-cndocsv27userrest-check> |
| <label for=m-zh-cndocsv27userrest-check><a href=/zh-cn/docsv2.7/user/rest/ title="开发 REST 应用" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27userrest><span>REST 支持</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27usersimple-monitor-li><input type=checkbox id=m-zh-cndocsv27usersimple-monitor-check> |
| <label for=m-zh-cndocsv27usersimple-monitor-check><a href=/zh-cn/docsv2.7/user/simple-monitor/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27usersimple-monitor><span>简单监控</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27userserialization-li><input type=checkbox id=m-zh-cndocsv27userserialization-check> |
| <label for=m-zh-cndocsv27userserialization-check><a href=/zh-cn/docsv2.7/user/serialization/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27userserialization><span>Kryo 和 FST 序列化</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section with-child" id=m-zh-cndocsv27userlanguages-li><input type=checkbox id=m-zh-cndocsv27userlanguages-check> |
| <label for=m-zh-cndocsv27userlanguages-check><a href=/zh-cn/docsv2.7/user/languages/ class="align-left pl-0 td-sidebar-link td-sidebar-link__section" id=m-zh-cndocsv27userlanguages><span>其他语言支持</span></a></label><ul class="ul-3 foldable"><li class="td-sidebar-nav__section-title td-sidebar-nav__section with-child" id=m-zh-cndocsv27userlanguageserlang-li><input type=checkbox id=m-zh-cndocsv27userlanguageserlang-check> |
| <label for=m-zh-cndocsv27userlanguageserlang-check><a href=/zh-cn/docsv2.7/user/languages/erlang/ class="align-left pl-0 td-sidebar-link td-sidebar-link__section" id=m-zh-cndocsv27userlanguageserlang><span>Erlang</span></a></label><ul class="ul-4 foldable"><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27userlanguageserlangquick-start-li><input type=checkbox id=m-zh-cndocsv27userlanguageserlangquick-start-check> |
| <label for=m-zh-cndocsv27userlanguageserlangquick-start-check><a href=/zh-cn/docsv2.7/user/languages/erlang/quick-start/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27userlanguageserlangquick-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-cndocsv27userlanguageserlangreference-li><input type=checkbox id=m-zh-cndocsv27userlanguageserlangreference-check> |
| <label for=m-zh-cndocsv27userlanguageserlangreference-check><a href=/zh-cn/docsv2.7/user/languages/erlang/reference/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27userlanguageserlangreference><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-cndocsv27userlanguageserlangservice-li><input type=checkbox id=m-zh-cndocsv27userlanguageserlangservice-check> |
| <label for=m-zh-cndocsv27userlanguageserlangservice-check><a href=/zh-cn/docsv2.7/user/languages/erlang/service/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27userlanguageserlangservice><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-cndocsv27userlanguageserlangserialization-li><input type=checkbox id=m-zh-cndocsv27userlanguageserlangserialization-check> |
| <label for=m-zh-cndocsv27userlanguageserlangserialization-check><a href=/zh-cn/docsv2.7/user/languages/erlang/serialization/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27userlanguageserlangserialization><span>序列化配置项</span></a></label></li></ul></li></ul></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27usernew-features-in-a-glance-li><input type=checkbox id=m-zh-cndocsv27usernew-features-in-a-glance-check> |
| <label for=m-zh-cndocsv27usernew-features-in-a-glance-check><a href=/zh-cn/docsv2.7/user/new-features-in-a-glance/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27usernew-features-in-a-glance><span></span></a></label></li></ul></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section with-child" id=m-zh-cndocsv27dev-li><input type=checkbox id=m-zh-cndocsv27dev-check> |
| <label for=m-zh-cndocsv27dev-check><a href=/zh-cn/docsv2.7/dev/ class="align-left pl-0 td-sidebar-link td-sidebar-link__section" id=m-zh-cndocsv27dev><span>开发指南</span></a></label><ul class="ul-2 foldable"><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27devbuild-li><input type=checkbox id=m-zh-cndocsv27devbuild-check> |
| <label for=m-zh-cndocsv27devbuild-check><a href=/zh-cn/docsv2.7/dev/build/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27devbuild><span>源码构建</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27devdesign-li><input type=checkbox id=m-zh-cndocsv27devdesign-check> |
| <label for=m-zh-cndocsv27devdesign-check><a href=/zh-cn/docsv2.7/dev/design/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27devdesign><span>框架设计</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27devspi-li><input type=checkbox id=m-zh-cndocsv27devspi-check> |
| <label for=m-zh-cndocsv27devspi-check><a href=/zh-cn/docsv2.7/dev/spi/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27devspi><span>扩展点加载</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27devimplementation-li><input type=checkbox id=m-zh-cndocsv27devimplementation-check> |
| <label for=m-zh-cndocsv27devimplementation-check><a href=/zh-cn/docsv2.7/dev/implementation/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27devimplementation><span>实现细节</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section with-child" id=m-zh-cndocsv27devimpls-li><input type=checkbox id=m-zh-cndocsv27devimpls-check> |
| <label for=m-zh-cndocsv27devimpls-check><a href=/zh-cn/docsv2.7/dev/impls/ class="align-left pl-0 td-sidebar-link td-sidebar-link__section" id=m-zh-cndocsv27devimpls><span>SPI 扩展实现</span></a></label><ul class="ul-3 foldable"><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27devimplsprotocol-li><input type=checkbox id=m-zh-cndocsv27devimplsprotocol-check> |
| <label for=m-zh-cndocsv27devimplsprotocol-check><a href=/zh-cn/docsv2.7/dev/impls/protocol/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27devimplsprotocol><span>协议扩展</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27devimplsfilter-li><input type=checkbox id=m-zh-cndocsv27devimplsfilter-check> |
| <label for=m-zh-cndocsv27devimplsfilter-check><a href=/zh-cn/docsv2.7/dev/impls/filter/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27devimplsfilter><span>调用拦截扩展</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27devimplsinvoker-listener-li><input type=checkbox id=m-zh-cndocsv27devimplsinvoker-listener-check> |
| <label for=m-zh-cndocsv27devimplsinvoker-listener-check><a href=/zh-cn/docsv2.7/dev/impls/invoker-listener/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27devimplsinvoker-listener><span>引用监听扩展</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27devimplsexporter-listener-li><input type=checkbox id=m-zh-cndocsv27devimplsexporter-listener-check> |
| <label for=m-zh-cndocsv27devimplsexporter-listener-check><a href=/zh-cn/docsv2.7/dev/impls/exporter-listener/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27devimplsexporter-listener><span>暴露监听扩展</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27devimplscluster-li><input type=checkbox id=m-zh-cndocsv27devimplscluster-check> |
| <label for=m-zh-cndocsv27devimplscluster-check><a href=/zh-cn/docsv2.7/dev/impls/cluster/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27devimplscluster><span>集群扩展</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27devimplsrouter-li><input type=checkbox id=m-zh-cndocsv27devimplsrouter-check> |
| <label for=m-zh-cndocsv27devimplsrouter-check><a href=/zh-cn/docsv2.7/dev/impls/router/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27devimplsrouter><span>路由扩展</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27devimplsload-balance-li><input type=checkbox id=m-zh-cndocsv27devimplsload-balance-check> |
| <label for=m-zh-cndocsv27devimplsload-balance-check><a href=/zh-cn/docsv2.7/dev/impls/load-balance/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27devimplsload-balance><span>负载均衡扩展</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27devimplsmerger-li><input type=checkbox id=m-zh-cndocsv27devimplsmerger-check> |
| <label for=m-zh-cndocsv27devimplsmerger-check><a href=/zh-cn/docsv2.7/dev/impls/merger/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27devimplsmerger><span>合并结果扩展</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27devimplsregistry-li><input type=checkbox id=m-zh-cndocsv27devimplsregistry-check> |
| <label for=m-zh-cndocsv27devimplsregistry-check><a href=/zh-cn/docsv2.7/dev/impls/registry/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27devimplsregistry><span>注册中心扩展</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27devimplsmonitor-li><input type=checkbox id=m-zh-cndocsv27devimplsmonitor-check> |
| <label for=m-zh-cndocsv27devimplsmonitor-check><a href=/zh-cn/docsv2.7/dev/impls/monitor/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27devimplsmonitor><span>监控中心扩展</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27devimplsextension-factory-li><input type=checkbox id=m-zh-cndocsv27devimplsextension-factory-check> |
| <label for=m-zh-cndocsv27devimplsextension-factory-check><a href=/zh-cn/docsv2.7/dev/impls/extension-factory/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27devimplsextension-factory><span>扩展点加载扩展</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27devimplsproxy-factory-li><input type=checkbox id=m-zh-cndocsv27devimplsproxy-factory-check> |
| <label for=m-zh-cndocsv27devimplsproxy-factory-check><a href=/zh-cn/docsv2.7/dev/impls/proxy-factory/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27devimplsproxy-factory><span>动态代理扩展</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27devimplscompiler-li><input type=checkbox id=m-zh-cndocsv27devimplscompiler-check> |
| <label for=m-zh-cndocsv27devimplscompiler-check><a href=/zh-cn/docsv2.7/dev/impls/compiler/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27devimplscompiler><span>编译器扩展</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27devimplsconfig-center-li><input type=checkbox id=m-zh-cndocsv27devimplsconfig-center-check> |
| <label for=m-zh-cndocsv27devimplsconfig-center-check><a href=/zh-cn/docsv2.7/dev/impls/config-center/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27devimplsconfig-center><span>配置中心扩展</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27devimplsdispatcher-li><input type=checkbox id=m-zh-cndocsv27devimplsdispatcher-check> |
| <label for=m-zh-cndocsv27devimplsdispatcher-check><a href=/zh-cn/docsv2.7/dev/impls/dispatcher/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27devimplsdispatcher><span>消息派发扩展</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27devimplsthreadpool-li><input type=checkbox id=m-zh-cndocsv27devimplsthreadpool-check> |
| <label for=m-zh-cndocsv27devimplsthreadpool-check><a href=/zh-cn/docsv2.7/dev/impls/threadpool/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27devimplsthreadpool><span>线程池扩展</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27devimplsserialize-li><input type=checkbox id=m-zh-cndocsv27devimplsserialize-check> |
| <label for=m-zh-cndocsv27devimplsserialize-check><a href=/zh-cn/docsv2.7/dev/impls/serialize/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27devimplsserialize><span>序列化扩展</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27devimplsremoting-li><input type=checkbox id=m-zh-cndocsv27devimplsremoting-check> |
| <label for=m-zh-cndocsv27devimplsremoting-check><a href=/zh-cn/docsv2.7/dev/impls/remoting/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27devimplsremoting><span>网络传输扩展</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27devimplsexchanger-li><input type=checkbox id=m-zh-cndocsv27devimplsexchanger-check> |
| <label for=m-zh-cndocsv27devimplsexchanger-check><a href=/zh-cn/docsv2.7/dev/impls/exchanger/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27devimplsexchanger><span>信息交换扩展</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27devimplsnetworker-li><input type=checkbox id=m-zh-cndocsv27devimplsnetworker-check> |
| <label for=m-zh-cndocsv27devimplsnetworker-check><a href=/zh-cn/docsv2.7/dev/impls/networker/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27devimplsnetworker><span>组网扩展</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27devimplstelnet-handler-li><input type=checkbox id=m-zh-cndocsv27devimplstelnet-handler-check> |
| <label for=m-zh-cndocsv27devimplstelnet-handler-check><a href=/zh-cn/docsv2.7/dev/impls/telnet-handler/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27devimplstelnet-handler><span>Telnet 命令扩展</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27devimplsstatus-checker-li><input type=checkbox id=m-zh-cndocsv27devimplsstatus-checker-check> |
| <label for=m-zh-cndocsv27devimplsstatus-checker-check><a href=/zh-cn/docsv2.7/dev/impls/status-checker/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27devimplsstatus-checker><span>状态检查扩展</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27devimplscontainer-li><input type=checkbox id=m-zh-cndocsv27devimplscontainer-check> |
| <label for=m-zh-cndocsv27devimplscontainer-check><a href=/zh-cn/docsv2.7/dev/impls/container/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27devimplscontainer><span>容器扩展</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27devimplscache-li><input type=checkbox id=m-zh-cndocsv27devimplscache-check> |
| <label for=m-zh-cndocsv27devimplscache-check><a href=/zh-cn/docsv2.7/dev/impls/cache/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27devimplscache><span>缓存扩展</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27devimplsvalidation-li><input type=checkbox id=m-zh-cndocsv27devimplsvalidation-check> |
| <label for=m-zh-cndocsv27devimplsvalidation-check><a href=/zh-cn/docsv2.7/dev/impls/validation/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27devimplsvalidation><span>验证扩展</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27devimplslogger-adapter-li><input type=checkbox id=m-zh-cndocsv27devimplslogger-adapter-check> |
| <label for=m-zh-cndocsv27devimplslogger-adapter-check><a href=/zh-cn/docsv2.7/dev/impls/logger-adapter/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27devimplslogger-adapter><span>日志适配扩展</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27devimplspage-li><input type=checkbox id=m-zh-cndocsv27devimplspage-check> |
| <label for=m-zh-cndocsv27devimplspage-check><a href=/zh-cn/docsv2.7/dev/impls/page/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27devimplspage><span></span></a></label></li></ul></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section with-child" id=m-zh-cndocsv27devprincipals-li><input type=checkbox id=m-zh-cndocsv27devprincipals-check> |
| <label for=m-zh-cndocsv27devprincipals-check><a href=/zh-cn/docsv2.7/dev/principals/ class="align-left pl-0 td-sidebar-link td-sidebar-link__section" id=m-zh-cndocsv27devprincipals><span>设计原则</span></a></label><ul class="ul-3 foldable"><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27devprincipalscode-detail-li><input type=checkbox id=m-zh-cndocsv27devprincipalscode-detail-check> |
| <label for=m-zh-cndocsv27devprincipalscode-detail-check><a href=/zh-cn/docsv2.7/dev/principals/code-detail/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27devprincipalscode-detail><span>魔鬼在细节</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27devprincipalsconfiguration-li><input type=checkbox id=m-zh-cndocsv27devprincipalsconfiguration-check> |
| <label for=m-zh-cndocsv27devprincipalsconfiguration-check><a href=/zh-cn/docsv2.7/dev/principals/configuration/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27devprincipalsconfiguration><span>配置设计</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27devprincipalsdummy-li><input type=checkbox id=m-zh-cndocsv27devprincipalsdummy-check> |
| <label for=m-zh-cndocsv27devprincipalsdummy-check><a href=/zh-cn/docsv2.7/dev/principals/dummy/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27devprincipalsdummy><span>防痴呆设计</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27devprincipalsexpansibility-li><input type=checkbox id=m-zh-cndocsv27devprincipalsexpansibility-check> |
| <label for=m-zh-cndocsv27devprincipalsexpansibility-check><a href=/zh-cn/docsv2.7/dev/principals/expansibility/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27devprincipalsexpansibility><span>谈谈扩充式扩展与增量式扩展</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27devprincipalsextension-li><input type=checkbox id=m-zh-cndocsv27devprincipalsextension-check> |
| <label for=m-zh-cndocsv27devprincipalsextension-check><a href=/zh-cn/docsv2.7/dev/principals/extension/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27devprincipalsextension><span>扩展点重构</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27devprincipalsgeneral-knowledge-li><input type=checkbox id=m-zh-cndocsv27devprincipalsgeneral-knowledge-check> |
| <label for=m-zh-cndocsv27devprincipalsgeneral-knowledge-check><a href=/zh-cn/docsv2.7/dev/principals/general-knowledge/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27devprincipalsgeneral-knowledge><span>一些设计上的基本常识</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27devprincipalsrobustness-li><input type=checkbox id=m-zh-cndocsv27devprincipalsrobustness-check> |
| <label for=m-zh-cndocsv27devprincipalsrobustness-check><a href=/zh-cn/docsv2.7/dev/principals/robustness/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27devprincipalsrobustness><span>设计实现的健壮性</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27devprincipalsintroduction-li><input type=checkbox id=m-zh-cndocsv27devprincipalsintroduction-check> |
| <label for=m-zh-cndocsv27devprincipalsintroduction-check><a href=/zh-cn/docsv2.7/dev/principals/introduction/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27devprincipalsintroduction><span></span></a></label></li></ul></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27devcontract-li><input type=checkbox id=m-zh-cndocsv27devcontract-check> |
| <label for=m-zh-cndocsv27devcontract-check><a href=/zh-cn/docsv2.7/dev/contract/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27devcontract><span>公共契约</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section with-child" id=m-zh-cndocsv27devsource-li><input type=checkbox id=m-zh-cndocsv27devsource-check> |
| <label for=m-zh-cndocsv27devsource-check><a href=/zh-cn/docsv2.7/dev/source/ title="Dubbo 源代码分析" class="align-left pl-0 td-sidebar-link td-sidebar-link__section" id=m-zh-cndocsv27devsource><span>源代码</span></a></label><ul class="ul-3 foldable"><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27devsourcedubbo-spi-li><input type=checkbox id=m-zh-cndocsv27devsourcedubbo-spi-check> |
| <label for=m-zh-cndocsv27devsourcedubbo-spi-check><a href=/zh-cn/docsv2.7/dev/source/dubbo-spi/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27devsourcedubbo-spi><span>Dubbo SPI</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27devsourcerouter-li><input type=checkbox id=m-zh-cndocsv27devsourcerouter-check> |
| <label for=m-zh-cndocsv27devsourcerouter-check><a href=/zh-cn/docsv2.7/dev/source/router/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27devsourcerouter><span>服务路由</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27devsourceadaptive-extension-li><input type=checkbox id=m-zh-cndocsv27devsourceadaptive-extension-check> |
| <label for=m-zh-cndocsv27devsourceadaptive-extension-check><a href=/zh-cn/docsv2.7/dev/source/adaptive-extension/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27devsourceadaptive-extension><span>SPI 自适应拓展</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27devsourceexport-service-li><input type=checkbox id=m-zh-cndocsv27devsourceexport-service-check> |
| <label for=m-zh-cndocsv27devsourceexport-service-check><a href=/zh-cn/docsv2.7/dev/source/export-service/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27devsourceexport-service><span>服务导出</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27devsourcerefer-service-li><input type=checkbox id=m-zh-cndocsv27devsourcerefer-service-check> |
| <label for=m-zh-cndocsv27devsourcerefer-service-check><a href=/zh-cn/docsv2.7/dev/source/refer-service/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27devsourcerefer-service><span>服务引用</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27devsourceservice-invoking-process-li><input type=checkbox id=m-zh-cndocsv27devsourceservice-invoking-process-check> |
| <label for=m-zh-cndocsv27devsourceservice-invoking-process-check><a href=/zh-cn/docsv2.7/dev/source/service-invoking-process/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27devsourceservice-invoking-process><span>服务调用过程</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27devsourcedirectory-li><input type=checkbox id=m-zh-cndocsv27devsourcedirectory-check> |
| <label for=m-zh-cndocsv27devsourcedirectory-check><a href=/zh-cn/docsv2.7/dev/source/directory/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27devsourcedirectory><span>服务目录</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27devsourcecluster-li><input type=checkbox id=m-zh-cndocsv27devsourcecluster-check> |
| <label for=m-zh-cndocsv27devsourcecluster-check><a href=/zh-cn/docsv2.7/dev/source/cluster/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27devsourcecluster><span>集群</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27devsourceloadbalance-li><input type=checkbox id=m-zh-cndocsv27devsourceloadbalance-check> |
| <label for=m-zh-cndocsv27devsourceloadbalance-check><a href=/zh-cn/docsv2.7/dev/source/loadbalance/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27devsourceloadbalance><span>负载均衡</span></a></label></li></ul></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27devrelease-li><input type=checkbox id=m-zh-cndocsv27devrelease-check> |
| <label for=m-zh-cndocsv27devrelease-check><a href=/zh-cn/docsv2.7/dev/release/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27devrelease><span>版本管理</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27devchecklist-li><input type=checkbox id=m-zh-cndocsv27devchecklist-check> |
| <label for=m-zh-cndocsv27devchecklist-check><a href=/zh-cn/docsv2.7/dev/checklist/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27devchecklist><span>检查列表</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27devcoding-li><input type=checkbox id=m-zh-cndocsv27devcoding-check> |
| <label for=m-zh-cndocsv27devcoding-check><a href=/zh-cn/docsv2.7/dev/coding/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27devcoding><span>编码约定</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27devcode-smell-li><input type=checkbox id=m-zh-cndocsv27devcode-smell-check> |
| <label for=m-zh-cndocsv27devcode-smell-check><a href=/zh-cn/docsv2.7/dev/code-smell/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27devcode-smell><span>坏味道</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27devtck-li><input type=checkbox id=m-zh-cndocsv27devtck-check> |
| <label for=m-zh-cndocsv27devtck-check><a href=/zh-cn/docsv2.7/dev/tck/ title=技术兼容性测试 class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27devtck><span>TCK</span></a></label></li></ul></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section with-child" id=m-zh-cndocsv27admin-li><input type=checkbox id=m-zh-cndocsv27admin-check> |
| <label for=m-zh-cndocsv27admin-check><a href=/zh-cn/docsv2.7/admin/ class="align-left pl-0 td-sidebar-link td-sidebar-link__section" id=m-zh-cndocsv27admin><span>运维指南</span></a></label><ul class="ul-2 foldable"><li class="td-sidebar-nav__section-title td-sidebar-nav__section with-child" id=m-zh-cndocsv27adminops-li><input type=checkbox id=m-zh-cndocsv27adminops-check> |
| <label for=m-zh-cndocsv27adminops-check><a href=/zh-cn/docsv2.7/admin/ops/ class="align-left pl-0 td-sidebar-link td-sidebar-link__section" id=m-zh-cndocsv27adminops><span>Dubbo Admin 运维指南</span></a></label><ul class="ul-3 foldable"><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27adminopsfunctions-li><input type=checkbox id=m-zh-cndocsv27adminopsfunctions-check> |
| <label for=m-zh-cndocsv27adminopsfunctions-check><a href=/zh-cn/docsv2.7/admin/ops/functions/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27adminopsfunctions><span>管理控制台运维</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27adminopsintroduction-li><input type=checkbox id=m-zh-cndocsv27adminopsintroduction-check> |
| <label for=m-zh-cndocsv27adminopsintroduction-check><a href=/zh-cn/docsv2.7/admin/ops/introduction/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27adminopsintroduction><span>Dubbo 管理控制台介绍</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27adminopstest-li><input type=checkbox id=m-zh-cndocsv27adminopstest-check> |
| <label for=m-zh-cndocsv27adminopstest-check><a href=/zh-cn/docsv2.7/admin/ops/test/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27adminopstest><span>服务测试</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27adminopssearch-li><input type=checkbox id=m-zh-cndocsv27adminopssearch-check> |
| <label for=m-zh-cndocsv27adminopssearch-check><a href=/zh-cn/docsv2.7/admin/ops/search/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27adminopssearch><span>服务查询和详情展示</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27adminopsapidocs-li><input type=checkbox id=m-zh-cndocsv27adminopsapidocs-check> |
| <label for=m-zh-cndocsv27adminopsapidocs-check><a href=/zh-cn/docsv2.7/admin/ops/apidocs/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27adminopsapidocs><span>API文档&测试</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27adminopsgovernance-li><input type=checkbox id=m-zh-cndocsv27adminopsgovernance-check> |
| <label for=m-zh-cndocsv27adminopsgovernance-check><a href=/zh-cn/docsv2.7/admin/ops/governance/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27adminopsgovernance><span>服务治理和配置管理</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27adminopsskywalking-li><input type=checkbox id=m-zh-cndocsv27adminopsskywalking-check> |
| <label for=m-zh-cndocsv27adminopsskywalking-check><a href=/zh-cn/docsv2.7/admin/ops/skywalking/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27adminopsskywalking><span>使用 Apache Skywalking 做分布式跟踪</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27adminopspinpoint-li><input type=checkbox id=m-zh-cndocsv27adminopspinpoint-check> |
| <label for=m-zh-cndocsv27adminopspinpoint-check><a href=/zh-cn/docsv2.7/admin/ops/pinpoint/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27adminopspinpoint><span>使用 Pinpoint 做分布式跟踪</span></a></label></li></ul></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section with-child" id=m-zh-cndocsv27admininstall-li><input type=checkbox id=m-zh-cndocsv27admininstall-check> |
| <label for=m-zh-cndocsv27admininstall-check><a href=/zh-cn/docsv2.7/admin/install/ class="align-left pl-0 td-sidebar-link td-sidebar-link__section" id=m-zh-cndocsv27admininstall><span>安装手册</span></a></label><ul class="ul-3 foldable"><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27admininstalladmin-console-li><input type=checkbox id=m-zh-cndocsv27admininstalladmin-console-check> |
| <label for=m-zh-cndocsv27admininstalladmin-console-check><a href=/zh-cn/docsv2.7/admin/install/admin-console/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27admininstalladmin-console><span>管理控制台安装</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27admininstallprovider-demo-li><input type=checkbox id=m-zh-cndocsv27admininstallprovider-demo-check> |
| <label for=m-zh-cndocsv27admininstallprovider-demo-check><a href=/zh-cn/docsv2.7/admin/install/provider-demo/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27admininstallprovider-demo><span>示例提供者安装</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27admininstallconsumer-demo-li><input type=checkbox id=m-zh-cndocsv27admininstallconsumer-demo-check> |
| <label for=m-zh-cndocsv27admininstallconsumer-demo-check><a href=/zh-cn/docsv2.7/admin/install/consumer-demo/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27admininstallconsumer-demo><span>示例消费者安装</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27admininstallredis-li><input type=checkbox id=m-zh-cndocsv27admininstallredis-check> |
| <label for=m-zh-cndocsv27admininstallredis-check><a href=/zh-cn/docsv2.7/admin/install/redis/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27admininstallredis><span>Redis 注册中心安装</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27admininstallzookeeper-li><input type=checkbox id=m-zh-cndocsv27admininstallzookeeper-check> |
| <label for=m-zh-cndocsv27admininstallzookeeper-check><a href=/zh-cn/docsv2.7/admin/install/zookeeper/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27admininstallzookeeper><span>Zookeeper 注册中心安装</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-zh-cndocsv27admininstallmonitor-center-li><input type=checkbox id=m-zh-cndocsv27admininstallmonitor-center-check> |
| <label for=m-zh-cndocsv27admininstallmonitor-center-check><a href=/zh-cn/docsv2.7/admin/install/monitor-center/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-zh-cndocsv27admininstallmonitor-center><span>Simple 监控中心安装</span></a></label></li></ul></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/docsv2.7/>文档 2.x</a></li><li class=breadcrumb-item><a href=https://cn.dubbo.apache.org/zh-cn/docsv2.7/dev/>开发指南</a></li><li class="breadcrumb-item active" aria-current=page><a href=https://cn.dubbo.apache.org/zh-cn/docsv2.7/dev/implementation/ aria-disabled=true class="btn-link disabled">实现细节</a></li></ol></nav><div class=td-content><h1>实现细节</h1><div class=lead>Dubbo 代码中的一些实现细节</div><header class=article-meta></header><h2 id=初始化过程细节>初始化过程细节</h2><h3 id=解析服务>解析服务</h3><p>基于 dubbo.jar 内的 <code>META-INF/spring.handlers</code> 配置，Spring 在遇到 dubbo 名称空间时，会回调 <code>DubboNamespaceHandler</code>。</p><p>所有 dubbo 的标签，都统一用 <code>DubboBeanDefinitionParser</code> 进行解析，基于一对一属性映射，将 XML 标签解析为 Bean 对象。</p><p>在 <code>ServiceConfig.export()</code> 或 <code>ReferenceConfig.get()</code> 初始化时，将 Bean 对象转换 URL 格式，所有 Bean 属性转成 URL 的参数。</p><p>然后将 URL 传给 <a href=../impls/protocol>协议扩展点</a>，基于扩展点的 <a href=../spi>扩展点自适应机制</a>，根据 URL 的协议头，进行不同协议的服务暴露或引用。</p><h3 id=暴露服务>暴露服务</h3><h4 id=1-只暴露服务端口>1. 只暴露服务端口：</h4><p>在没有注册中心，直接暴露提供者的情况下 <sup id=fnref:1><a href=#fn:1 class=footnote-ref role=doc-noteref>1</a></sup>，<code>ServiceConfig</code> 解析出的 URL 的格式为： |
| <code>dubbo://service-host/com.foo.FooService?version=1.0.0</code>。</p><p>基于扩展点自适应机制，通过 URL 的 <code>dubbo://</code> 协议头识别，直接调用 <code>DubboProtocol</code>的 <code>export()</code> 方法，打开服务端口。</p><h4 id=2-向注册中心暴露服务>2. 向注册中心暴露服务：</h4><p>在有注册中心，需要注册提供者地址的情况下 <sup id=fnref:2><a href=#fn:2 class=footnote-ref role=doc-noteref>2</a></sup>，<code>ServiceConfig</code> 解析出的 URL 的格式为: <code>registry://registry-host/org.apache.dubbo.registry.RegistryService?export=URL.encode("dubbo://service-host/com.foo.FooService?version=1.0.0")</code>，</p><p>基于扩展点自适应机制，通过 URL 的 <code>registry://</code> 协议头识别，就会调用 <code>RegistryProtocol</code> 的 <code>export()</code> 方法，将 <code>export</code> 参数中的提供者 URL，先注册到注册中心。</p><p>再重新传给 <code>Protocol</code> 扩展点进行暴露： <code>dubbo://service-host/com.foo.FooService?version=1.0.0</code>，然后基于扩展点自适应机制，通过提供者 URL 的 <code>dubbo://</code> 协议头识别，就会调用 <code>DubboProtocol</code> 的 <code>export()</code> 方法，打开服务端口。</p><h3 id=引用服务>引用服务</h3><h4 id=1-直连引用服务>1. 直连引用服务：</h4><p>在没有注册中心，直连提供者的情况下 <sup id=fnref:3><a href=#fn:3 class=footnote-ref role=doc-noteref>3</a></sup>，<code>ReferenceConfig</code> 解析出的 URL 的格式为：<code>dubbo://service-host/com.foo.FooService?version=1.0.0</code>。</p><p>基于扩展点自适应机制，通过 URL 的 <code>dubbo://</code> 协议头识别，直接调用 <code>DubboProtocol</code> 的 <code>refer()</code> 方法，返回提供者引用。</p><h4 id=2-从注册中心发现引用服务>2. 从注册中心发现引用服务：</h4><p>在有注册中心，通过注册中心发现提供者地址的情况下 <sup id=fnref:4><a href=#fn:4 class=footnote-ref role=doc-noteref>4</a></sup>，<code>ReferenceConfig</code> 解析出的 URL 的格式为： |
| <code>registry://registry-host/org.apache.dubbo.registry.RegistryService?refer=URL.encode("consumer://consumer-host/com.foo.FooService?version=1.0.0")</code>。</p><p>基于扩展点自适应机制，通过 URL 的 <code>registry://</code> 协议头识别，就会调用 <code>RegistryProtocol</code> 的 <code>refer()</code> 方法，基于 <code>refer</code> 参数中的条件，查询提供者 URL，如： |
| <code>dubbo://service-host/com.foo.FooService?version=1.0.0</code>。</p><p>基于扩展点自适应机制，通过提供者 URL 的 <code>dubbo://</code> 协议头识别，就会调用 <code>DubboProtocol</code> 的 <code>refer()</code> 方法，得到提供者引用。</p><p>然后 <code>RegistryProtocol</code> 将多个提供者引用，通过 <code>Cluster</code> 扩展点，伪装成单个提供者引用返回。</p><h3 id=拦截服务>拦截服务</h3><p>基于扩展点自适应机制，所有的 <code>Protocol</code> 扩展点都会自动套上 <code>Wrapper</code> 类。</p><p>基于 <code>ProtocolFilterWrapper</code> 类，将所有 <code>Filter</code> 组装成链，在链的最后一节调用真实的引用。</p><p>基于 <code>ProtocolListenerWrapper</code> 类，将所有 <code>InvokerListener</code> 和 <code>ExporterListener</code> 组装集合，在暴露和引用前后，进行回调。</p><p>包括监控在内，所有附加功能，全部通过 <code>Filter</code> 拦截实现。</p><h2 id=远程调用细节>远程调用细节</h2><h3 id=服务提供者暴露一个服务的详细过程>服务提供者暴露一个服务的详细过程</h3><p><img src=/imgs/dev/dubbo_rpc_export.jpg alt=/dev-guide/images/dubbo_rpc_export.jpg></p><p>上图是服务提供者暴露服务的主过程：</p><p>首先 <code>ServiceConfig</code> 类拿到对外提供服务的实际类 ref（如：HelloWorldImpl），然后通过 <code>ProxyFactory</code> 类的 <code>getInvoker</code> 方法使用 ref 生成一个 <code>AbstractProxyInvoker</code> 实例，到这一步就完成具体服务到 <code>Invoker</code> 的转化。接下来就是 <code>Invoker</code> 转换到 <code>Exporter</code> 的过程。</p><p>Dubbo 处理服务暴露的关键就在 <code>Invoker</code> 转换到 <code>Exporter</code> 的过程，上图中的红色部分。下面我们以 Dubbo 和 RMI 这两种典型协议的实现来进行说明：</p><h4 id=dubbo-的实现>Dubbo 的实现</h4><p>Dubbo 协议的 <code>Invoker</code> 转为 <code>Exporter</code> 发生在 <code>DubboProtocol</code> 类的 <code>export</code> 方法，它主要是打开 socket 侦听服务，并接收客户端发来的各种请求，通讯细节由 Dubbo 自己实现。</p><h4 id=rmi-的实现>RMI 的实现</h4><p>RMI 协议的 <code>Invoker</code> 转为 <code>Exporter</code> 发生在 <code>RmiProtocol</code>类的 <code>export</code> 方法，它通过 Spring 或 Dubbo 或 JDK 来实现 RMI 服务，通讯细节这一块由 JDK 底层来实现，这就省了不少工作量。</p><h3 id=服务消费者消费一个服务的详细过程>服务消费者消费一个服务的详细过程</h3><p><img src=/imgs/dev/dubbo_rpc_refer.jpg alt=/dev-guide/images/dubbo_rpc_refer.jpg></p><p>上图是服务消费的主过程：</p><p>首先 <code>ReferenceConfig</code> 类的 <code>init</code> 方法调用 <code>Protocol</code> 的 <code>refer</code> 方法生成 <code>Invoker</code> 实例（如上图中的红色部分），这是服务消费的关键。接下来把 <code>Invoker</code> 转换为客户端需要的接口（如：HelloWorld）。</p><p>关于每种协议如 RMI/Dubbo/Web service 等它们在调用 <code>refer</code> 方法生成 <code>Invoker</code> 实例的细节和上一章节所描述的类似。</p><h3 id=满眼都是-invoker>满眼都是 Invoker</h3><p>由于 <code>Invoker</code> 是 Dubbo 领域模型中非常重要的一个概念，很多设计思路都是向它靠拢。这就使得 <code>Invoker</code> 渗透在整个实现代码里，对于刚开始接触 Dubbo 的人，确实容易给搞混了。 |
| 下面我们用一个精简的图来说明最重要的两种 <code>Invoker</code>——服务提供 <code>Invoker</code> 和服务消费 <code>Invoker</code>：</p><p><img src=/imgs/dev/dubbo_rpc_invoke.jpg alt=/dev-guide/images/dubbo_rpc_invoke.jpg></p><p>为了更好的解释上面这张图，我们结合服务消费和提供者的代码示例来进行说明：</p><p>服务消费者代码：</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-java data-lang=java><span style=display:flex><span><span style=color:#268bd2>public</span> <span style=color:#268bd2>class</span> <span style=color:#268bd2>DemoClientAction</span> { |
| </span></span><span style=display:flex><span> |
| </span></span><span style=display:flex><span> <span style=color:#268bd2>private</span> DemoService demoService; |
| </span></span><span style=display:flex><span> |
| </span></span><span style=display:flex><span> <span style=color:#268bd2>public</span> <span style=color:#dc322f>void</span> <span style=color:#268bd2>setDemoService</span>(DemoService demoService) { |
| </span></span><span style=display:flex><span> <span style=color:#719e07>this</span>.demoService <span style=color:#719e07>=</span> demoService; |
| </span></span><span style=display:flex><span> } |
| </span></span><span style=display:flex><span> |
| </span></span><span style=display:flex><span> <span style=color:#268bd2>public</span> <span style=color:#dc322f>void</span> <span style=color:#268bd2>start</span>() { |
| </span></span><span style=display:flex><span> String hello <span style=color:#719e07>=</span> demoService.sayHello(<span style=color:#2aa198>"world"</span>); |
| </span></span><span style=display:flex><span> } |
| </span></span><span style=display:flex><span>} |
| </span></span></code></pre></div><p>上面代码中的 <code>DemoService</code> 就是上图中服务消费端的 proxy，用户代码通过这个 proxy 调用其对应的 <code>Invoker</code> <sup id=fnref:5><a href=#fn:5 class=footnote-ref role=doc-noteref>5</a></sup>，而该 <code>Invoker</code> 实现了真正的远程服务调用。</p><p>服务提供者代码：</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-java data-lang=java><span style=display:flex><span><span style=color:#268bd2>public</span> <span style=color:#268bd2>class</span> <span style=color:#268bd2>DemoServiceImpl</span> <span style=color:#268bd2>implements</span> DemoService { |
| </span></span><span style=display:flex><span> |
| </span></span><span style=display:flex><span> <span style=color:#268bd2>public</span> String <span style=color:#268bd2>sayHello</span>(String name) <span style=color:#268bd2>throws</span> RemoteException { |
| </span></span><span style=display:flex><span> <span style=color:#719e07>return</span> <span style=color:#2aa198>"Hello "</span> <span style=color:#719e07>+</span> name; |
| </span></span><span style=display:flex><span> } |
| </span></span><span style=display:flex><span>} |
| </span></span></code></pre></div><p>上面这个类会被封装成为一个 <code>AbstractProxyInvoker</code> 实例，并新生成一个 <code>Exporter</code> 实例。这样当网络通讯层收到一个请求后，会找到对应的 <code>Exporter</code> 实例，并调用它所对应的 <code>AbstractProxyInvoker</code> 实例，从而真正调用了服务提供者的代码。Dubbo 里还有一些其他的 <code>Invoker</code> 类，但上面两种是最重要的。</p><h2 id=远程通讯细节>远程通讯细节</h2><h3 id=协议头约定>协议头约定</h3><p><img src=/imgs/dev/dubbo_protocol_header.png alt=/dev-guide/images/dubbo_protocol_header.jpg></p><ul><li><p>Magic - Magic High & Magic Low (16 bits)</p><p>标识协议版本号，Dubbo 协议：0xdabb</p></li><li><p>Req/Res (1 bit)</p><p>标识是请求或响应。请求： 1; 响应： 0。</p></li><li><p>2 Way (1 bit)</p><p>仅在 Req/Res 为1（请求）时才有用，标记是否期望从服务器返回值。如果需要来自服务器的返回值，则设置为1。</p></li><li><p>Event (1 bit)</p><p>标识是否是事件消息，例如，心跳事件。如果这是一个事件，则设置为1。</p></li><li><p>Serialization ID (5 bit)</p><p>标识序列化类型：比如 fastjson 的值为6。</p></li><li><p>Status (8 bits)</p><p>仅在 Req/Res 为0（响应）时有用，用于标识响应的状态。</p><ul><li>20 - OK</li><li>30 - CLIENT_TIMEOUT</li><li>31 - SERVER_TIMEOUT</li><li>40 - BAD_REQUEST</li><li>50 - BAD_RESPONSE</li><li>60 - SERVICE_NOT_FOUND</li><li>70 - SERVICE_ERROR</li><li>80 - SERVER_ERROR</li><li>90 - CLIENT_ERROR</li><li>100 - SERVER_THREADPOOL_EXHAUSTED_ERROR</li></ul></li><li><p>Request ID (64 bits)</p><p>标识唯一请求。类型为long。</p></li><li><p>Data Length (32 bits)</p><p>序列化后的内容长度（可变部分），按字节计数。int类型。</p></li><li><p>Variable Part</p><p>被特定的序列化类型（由序列化 ID 标识）序列化后，每个部分都是一个 byte [] 或者 byte</p><ul><li>如果是请求包 ( Req/Res = 1)，则每个部分依次为：<ul><li>Dubbo version</li><li>Service name</li><li>Service version</li><li>Method name</li><li>Method parameter types</li><li>Method arguments</li><li>Attachments</li></ul></li><li>如果是响应包（Req/Res = 0），则每个部分依次为：<ul><li>返回值类型(byte)，标识从服务器端返回的值类型：<ul><li>返回空值：RESPONSE_NULL_VALUE 2</li><li>正常响应值： RESPONSE_VALUE 1</li><li>异常：RESPONSE_WITH_EXCEPTION 0</li></ul></li><li>返回值：从服务端返回的响应bytes</li></ul></li></ul></li></ul><p><strong>注意：</strong> 对于(Variable Part)变长部分，当前版本的Dubbo 框架使用json序列化时，在每部分内容间额外增加了换行符作为分隔，请在Variable Part的每个part后额外增加换行符， 如：</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>Dubbo version bytes (换行符) |
| </span></span><span style=display:flex><span>Service name bytes (换行符) |
| </span></span><span style=display:flex><span>... |
| </span></span></code></pre></div><h3 id=线程派发模型>线程派发模型</h3><p><img src=/imgs/dev/dubbo-protocol.jpg alt=/dev-guide/images/dubbo-protocol.jpg></p><ul><li>Dispather: <code>all</code>, <code>direct</code>, <code>message</code>, <code>execution</code>, <code>connection</code></li><li>ThreadPool: <code>fixed</code>, <code>cached</code></li></ul><div class=footnotes role=doc-endnotes><hr><ol><li id=fn:1><p>即：<code><dubbo:service regisrty="N/A" /></code> 或者 <code><dubbo:registry address="N/A" /></code> <a href=#fnref:1 class=footnote-backref role=doc-backlink>↩︎</a></p></li><li id=fn:2><p>即: <code><dubbo:registry address="zookeeper://10.20.153.10:2181" /></code> <a href=#fnref:2 class=footnote-backref role=doc-backlink>↩︎</a></p></li><li id=fn:3><p>即：<code><dubbo:reference url="dubbo://service-host/com.foo.FooService?version=1.0.0" /></code> <a href=#fnref:3 class=footnote-backref role=doc-backlink>↩︎</a></p></li><li id=fn:4><p>即：<code><dubbo:registry address="zookeeper://10.20.153.10:2181" /></code> <a href=#fnref:4 class=footnote-backref role=doc-backlink>↩︎</a></p></li><li id=fn:5><p><code>DubboInvoker</code>、 <code>HessianRpcInvoker</code>、 <code>InjvmInvoker</code>、 <code>RmiInvoker</code>、 <code>WebServiceInvoker</code> 中的任何一个 <a href=#fnref:5 class=footnote-backref role=doc-backlink>↩︎</a></p></li></ol></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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