| <!doctype html><html lang=en class=no-js><head><meta name=ROBOTS content="INDEX, FOLLOW"><link rel=alternate hreflang=zh-cn href=https://cn.dubbo.apache.org/zh-cn/overview/core-features/traffic/condition-rule/><link rel=canonical href=https://cn.dubbo.apache.org/en/overview/core-features/traffic/condition-rule/><script>var _hmt=_hmt||[];(function(){var e,t=document.createElement("script");t.src="https://hm.baidu.com/hm.js?3b78f49ba47181e4d998a66b689446e9",e=document.getElementsByTagName("script")[0],e.parentNode.insertBefore(t,e)})()</script><meta charset=utf-8><meta name=viewport content="width=device-width,initial-scale=1,shrink-to-fit=no"><meta http-equiv=Content-Security-Policy content="frame-src *"><meta name=generator content="Hugo 0.122.0"><link rel="shortcut icon" type=image/png href=/imgs/favicon.png><link rel=apple-touch-icon href=/favicons/apple-touch-icon-180x180.png sizes=180x180><link rel=manifest href=/manifest.webmanifest><title>Conditional Routing Rules | Apache Dubbo</title><meta property="og:title" content="Conditional Routing Rules"> |
| <meta property="og:description" content="Conditional routing rules forward requests that meet specific conditions to a subset of destination instances. The rules match the request parameters of incoming traffic, and requests that meet the matching criteria are forwarded to a subset that contains a specific list of instance addresses. |
| Here is an example of a conditional routing rule. |
| Based on the following example rule, all invocations of the getComment method in the org.apache.dubbo.samples.CommentService service will be forwarded to a subset of addresses marked with region=Hangzhou."><meta property="og:type" content="article"><meta property="og:url" content="https://cn.dubbo.apache.org/en/overview/core-features/traffic/condition-rule/"><meta property="article:section" content="overview"><meta property="article:modified_time" content="2024-01-11T20:19:08+08:00"><meta itemprop=name content="Conditional Routing Rules"><meta itemprop=description content="Conditional routing rules forward requests that meet specific conditions to a subset of destination instances. The rules match the request parameters of incoming traffic, and requests that meet the matching criteria are forwarded to a subset that contains a specific list of instance addresses. |
| Here is an example of a conditional routing rule. |
| Based on the following example rule, all invocations of the getComment method in the org.apache.dubbo.samples.CommentService service will be forwarded to a subset of addresses marked with region=Hangzhou."><meta itemprop=dateModified content="2024-01-11T20:19:08+08:00"><meta itemprop=wordCount content="603"><meta itemprop=keywords content><meta name=twitter:card content="summary"><meta name=twitter:title content="Conditional Routing Rules"><meta name=twitter:description content="Conditional routing rules forward requests that meet specific conditions to a subset of destination instances. The rules match the request parameters of incoming traffic, and requests that meet the matching criteria are forwarded to a subset that contains a specific list of instance addresses. |
| Here is an example of a conditional routing rule. |
| Based on the following example rule, all invocations of the getComment method in the org.apache.dubbo.samples.CommentService service will be forwarded to a subset of addresses marked with region=Hangzhou."><script async src="https://www.googletagmanager.com/gtag/js?id=G-NM6FFMT51J"></script><script>var doNotTrack=!1;if(!doNotTrack){window.dataLayer=window.dataLayer||[];function gtag(){dataLayer.push(arguments)}gtag("js",new Date),gtag("config","G-NM6FFMT51J",{anonymize_ip:!1})}</script><link rel=preload href=/scss/main.min.f77e221bcdbe0cadb996060fe82063c747b60c229a1f8bbf0ee529adbadd84fa.css as=style><link href=/scss/main.min.f77e221bcdbe0cadb996060fe82063c747b60c229a1f8bbf0ee529adbadd84fa.css rel=stylesheet integrity><script src=/js/jquery-3.5.1.min.js integrity="sha256-9/aliU8dGd2tb6OSsuzixeV4y/faTqgFtohetphbbj0=" crossorigin=anonymous></script><meta name=theme-color content="#326ce5"><link rel=stylesheet href=/css/feature-states.css><meta name=description content="Conditional routing rules forward requests that meet specific conditions to a subset of destination instances. The rules match the request parameters of incoming traffic, and requests that meet the matching criteria are forwarded to a subset that contains a specific list of instance addresses. |
| Here is an example of a conditional routing rule. |
| Based on the following example rule, all invocations of the getComment method in the org.apache.dubbo.samples.CommentService service will be forwarded to a subset of addresses marked with region=Hangzhou."><meta property="og:description" content="Conditional routing rules forward requests that meet specific conditions to a subset of destination instances. The rules match the request parameters of incoming traffic, and requests that meet the matching criteria are forwarded to a subset that contains a specific list of instance addresses. |
| Here is an example of a conditional routing rule. |
| Based on the following example rule, all invocations of the getComment method in the org.apache.dubbo.samples.CommentService service will be forwarded to a subset of addresses marked with region=Hangzhou."><meta name=twitter:description content="Conditional routing rules forward requests that meet specific conditions to a subset of destination instances. The rules match the request parameters of incoming traffic, and requests that meet the matching criteria are forwarded to a subset that contains a specific list of instance addresses. |
| Here is an example of a conditional routing rule. |
| Based on the following example rule, all invocations of the getComment method in the org.apache.dubbo.samples.CommentService service will be forwarded to a subset of addresses marked with region=Hangzhou."><meta property="og:url" content="https://cn.dubbo.apache.org/en/overview/core-features/traffic/condition-rule/"><meta property="og:title" content="Conditional Routing Rules"><meta name=twitter:title content="Conditional Routing Rules"><meta name=twitter:image:alt content="Apache Dubbo"><meta property="og:type" content="article"><meta name=viewport content="width=device-width"><script async defer src=/js/github-buttons.js></script><link href=/css/community.css rel=stylesheet><link href=/css/contactus.css rel=stylesheet><link href=/css/language.css rel=stylesheet><script src=/js/script.js></script></head><body class="td-page td-documentation"><header><nav class="js-navbar-scroll navbar navbar-expand navbar-dark flex-column flex-md-row td-navbar" data-auto-burger=primary><a class=navbar-brand href=/en/><span class=navbar-logo></span><span class="text-uppercase font-weight-bold">Apache Dubbo</span></a><div class="td-navbar-nav-scroll ml-md-auto" id=main_navbar><ul class="navbar-nav mt-2 mt-lg-0"><li class="nav-item mr-4 mb-2 mb-lg-0"><a class="nav-link active" href=/en/overview/><span class=active>Overview</span></a></li><li class="nav-item mr-4 mb-2 mb-lg-0"><a class=nav-link href=/en/docs3-v2/><span>SDK Manual</span></a></li><li class="nav-item mr-4 mb-2 mb-lg-0"><a class=nav-link href=/en/blog/><span>Blog</span></a></li><li class="nav-item mr-4 mb-2 mb-lg-0"><a class=nav-link href=/en/download/><span>Download</span></a></li><li class="nav-item mr-4 mb-2 mb-lg-0"><a class=nav-link href=https://start.dubbo.apache.org/bootstrap.html target=_blank><span>Initializer</span><i class='fas fa-external-link-alt'></i></a></li><li class="nav-item dropdown d-lg-block"><a class="nav-link dropdown-toggle" href=# id=navbarDropdownMenuLink role=button data-toggle=dropdown aria-haspopup=true aria-expanded=false>English</a><div class="dropdown-menu dropdown-menu-right" aria-labelledby=navbarDropdownMenuLink><a class=dropdown-item href=/zh-cn/overview/core-features/traffic/condition-rule/>中文</a></div></li><li class="nav-item dropdown d-lg-block"><div class="nav-item d-none d-lg-block"></div></li></ul></div></nav><section class="header-hero text-white pb-0 light-text"></section></header><div class="container-fluid td-outer"><div class=td-main><div class="row flex-md-nowrap"><div class="col-12 col-md-3 col-xl-2 td-sidebar d-print-none"><script>$(function(){$("#td-section-nav a").removeClass("active"),$("#td-section-nav #m-enoverviewcore-featurestrafficcondition-rule").addClass("active"),$("#td-section-nav #m-enoverviewcore-featurestrafficcondition-rule-li span").addClass("td-sidebar-nav-active-item"),$("#td-section-nav #m-enoverviewcore-featurestrafficcondition-rule").parents("li").addClass("active-path"),$("#td-section-nav li.active-path").addClass("show"),$("#td-section-nav li.active-path").children("input").prop("checked",!0),$("#td-section-nav #m-enoverviewcore-featurestrafficcondition-rule-li").siblings("li").addClass("show"),$("#td-section-nav #m-enoverviewcore-featurestrafficcondition-rule-li").children("ul").children("li").addClass("show"),$("#td-sidebar-menu").toggleClass("d-none")})</script><div id=td-sidebar-menu class="td-sidebar__inner d-none"><div id=content-mobile><form class="td-sidebar__search d-flex align-items-center"><button class="btn btn-link td-sidebar__toggle d-md-none p-0 ml-3 fas fa-bars" type=button data-toggle=collapse data-target=#td-section-nav aria-controls=td-docs-nav aria-expanded=false aria-label="Toggle section navigation"></button></form></div><div id=content-desktop></div><nav class="collapse td-sidebar-nav foldable-nav" id=td-section-nav><ul class="td-sidebar-nav__section pr-md-3 ul-0"><li class="td-sidebar-nav__section-title td-sidebar-nav__section with-child" id=m-enoverview-li><ul class=ul-1><li class="td-sidebar-nav__section-title td-sidebar-nav__section with-child" id=m-enoverviewwhat-li><input type=checkbox id=m-enoverviewwhat-check> |
| <label for=m-enoverviewwhat-check><a href=/en/overview/what/ class="align-left pl-0 td-sidebar-link td-sidebar-link__section" id=m-enoverviewwhat><span>What is Dubbo</span></a></label><ul class="ul-2 foldable"><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-enoverviewwhatoverview-li><input type=checkbox id=m-enoverviewwhatoverview-check> |
| <label for=m-enoverviewwhatoverview-check><a href=/en/overview/what/overview/ title="Introduction to Dubbo" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-enoverviewwhatoverview><span>Introduction</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-enoverviewwhatdubbo3-li><input type=checkbox id=m-enoverviewwhatdubbo3-check> |
| <label for=m-enoverviewwhatdubbo3-check><a href=/en/overview/what/dubbo3/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-enoverviewwhatdubbo3><span>Dubbo 3 Quick Facts</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-enoverviewwhatarchitecture-li><input type=checkbox id=m-enoverviewwhatarchitecture-check> |
| <label for=m-enoverviewwhatarchitecture-check><a href=/en/overview/what/architecture/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-enoverviewwhatarchitecture><span>Architecture</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-enoverviewwhatextensibility-li><input type=checkbox id=m-enoverviewwhatextensibility-check> |
| <label for=m-enoverviewwhatextensibility-check><a href=/en/overview/what/extensibility/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-enoverviewwhatextensibility><span>Extensibility</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-enoverviewwhatecosystem-li><input type=checkbox id=m-enoverviewwhatecosystem-check> |
| <label for=m-enoverviewwhatecosystem-check><a href=/en/overview/what/ecosystem/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-enoverviewwhatecosystem><span>Ecosystem</span></a></label></li></ul></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section with-child" id=m-enoverviewquickstart-li><input type=checkbox id=m-enoverviewquickstart-check> |
| <label for=m-enoverviewquickstart-check><a href=/en/overview/quickstart/ class="align-left pl-0 td-sidebar-link td-sidebar-link__section" id=m-enoverviewquickstart><span>Quick Start</span></a></label><ul class="ul-2 foldable"><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-enoverviewquickstartgo-li><input type=checkbox id=m-enoverviewquickstartgo-check> |
| <label for=m-enoverviewquickstartgo-check><a href=/en/overview/quickstart/go/ title="Quick Start With Golang" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-enoverviewquickstartgo><span>Quick Start</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-enoverviewquickstartrust-li><input type=checkbox id=m-enoverviewquickstartrust-check> |
| <label for=m-enoverviewquickstartrust-check><a href=/en/overview/quickstart/rust/ title="Quick Start With Rust" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-enoverviewquickstartrust><span>Quick Start</span></a></label></li></ul></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section with-child" id=m-enoverviewtasks-li><input type=checkbox id=m-enoverviewtasks-check> |
| <label for=m-enoverviewtasks-check><a href=/en/overview/tasks/ class="align-left pl-0 td-sidebar-link td-sidebar-link__section" id=m-enoverviewtasks><span>Tasks</span></a></label><ul class="ul-2 foldable"><li class="td-sidebar-nav__section-title td-sidebar-nav__section with-child" id=m-enoverviewtaskstraffic-management-li><input type=checkbox id=m-enoverviewtaskstraffic-management-check> |
| <label for=m-enoverviewtaskstraffic-management-check><a href=/en/overview/tasks/traffic-management/ title="Traffic Management" class="align-left pl-0 td-sidebar-link td-sidebar-link__section" id=m-enoverviewtaskstraffic-management><span>Traffic Governance</span></a></label><ul class="ul-3 foldable"><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-enoverviewtaskstraffic-managementweight-li><input type=checkbox id=m-enoverviewtaskstraffic-managementweight-check> |
| <label for=m-enoverviewtaskstraffic-managementweight-check><a href=/en/overview/tasks/traffic-management/weight/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-enoverviewtaskstraffic-managementweight><span>Adjust traffic distribution by weight</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-enoverviewtaskstraffic-managementtimeout-li><input type=checkbox id=m-enoverviewtaskstraffic-managementtimeout-check> |
| <label for=m-enoverviewtaskstraffic-managementtimeout-check><a href=/en/overview/tasks/traffic-management/timeout/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-enoverviewtaskstraffic-managementtimeout><span>Dynamic adjustment of service timeout</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-enoverviewtaskstraffic-managementtraffic-routing-li><input type=checkbox id=m-enoverviewtaskstraffic-managementtraffic-routing-check> |
| <label for=m-enoverviewtaskstraffic-managementtraffic-routing-check><a href=/en/overview/tasks/traffic-management/traffic-routing/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-enoverviewtaskstraffic-managementtraffic-routing><span>Request Routing</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-enoverviewtaskstraffic-managementzone-li><input type=checkbox id=m-enoverviewtaskstraffic-managementzone-check> |
| <label for=m-enoverviewtaskstraffic-managementzone-check><a href=/en/overview/tasks/traffic-management/zone/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-enoverviewtaskstraffic-managementzone><span>Same computer room/area priority</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-enoverviewtaskstraffic-managementisolation-li><input type=checkbox id=m-enoverviewtaskstraffic-managementisolation-check> |
| <label for=m-enoverviewtaskstraffic-managementisolation-check><a href=/en/overview/tasks/traffic-management/isolation/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-enoverviewtaskstraffic-managementisolation><span>Temporarily kick out the problem service instance</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-enoverviewtaskstraffic-managementtraffic-gray-li><input type=checkbox id=m-enoverviewtaskstraffic-managementtraffic-gray-check> |
| <label for=m-enoverviewtaskstraffic-managementtraffic-gray-check><a href=/en/overview/tasks/traffic-management/traffic-gray/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-enoverviewtaskstraffic-managementtraffic-gray><span>Traffic Grayscale</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-enoverviewtaskstraffic-managementtraffic-condition-li><input type=checkbox id=m-enoverviewtaskstraffic-managementtraffic-condition-check> |
| <label for=m-enoverviewtaskstraffic-managementtraffic-condition-check><a href=/en/overview/tasks/traffic-management/traffic-condition/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-enoverviewtaskstraffic-managementtraffic-condition><span>Traffic Isolation</span></a></label></li></ul></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section with-child" id=m-enoverviewtaskskubernetes-li><input type=checkbox id=m-enoverviewtaskskubernetes-check> |
| <label for=m-enoverviewtaskskubernetes-check><a href=/en/overview/tasks/kubernetes/ class="align-left pl-0 td-sidebar-link td-sidebar-link__section" id=m-enoverviewtaskskubernetes><span>Kubernetes Deployment Solution</span></a></label><ul class="ul-3 foldable"><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-enoverviewtaskskubernetesdeploy-on-k8s-li><input type=checkbox id=m-enoverviewtaskskubernetesdeploy-on-k8s-check> |
| <label for=m-enoverviewtaskskubernetesdeploy-on-k8s-check><a href=/en/overview/tasks/kubernetes/deploy-on-k8s/ title="Deploying to Kubernetes" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-enoverviewtaskskubernetesdeploy-on-k8s><span>Native K8S Service based on API-SERVER</span></a></label></li></ul></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section with-child" id=m-enoverviewtasksmesh-li><input type=checkbox id=m-enoverviewtasksmesh-check> |
| <label for=m-enoverviewtasksmesh-check><a href=/en/overview/tasks/mesh/ class="align-left pl-0 td-sidebar-link td-sidebar-link__section" id=m-enoverviewtasksmesh><span>Mesh Deployment Solution</span></a></label><ul class="ul-3 foldable"><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-enoverviewtasksmeshdubbo-mesh-li><input type=checkbox id=m-enoverviewtasksmeshdubbo-mesh-check> |
| <label for=m-enoverviewtasksmeshdubbo-mesh-check><a href=/en/overview/tasks/mesh/dubbo-mesh/ title="Dubbo proxy mesh using Envoy & Istio" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-enoverviewtasksmeshdubbo-mesh><span>Sidecar mode</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-enoverviewtasksmeshproxyless-li><input type=checkbox id=m-enoverviewtasksmeshproxyless-check> |
| <label for=m-enoverviewtasksmeshproxyless-check><a href=/en/overview/tasks/mesh/proxyless/ title="Istio + Proxyless" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-enoverviewtasksmeshproxyless><span>Proxyless mode</span></a></label></li></ul></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section with-child" id=m-enoverviewtaskstriple-li><input type=checkbox id=m-enoverviewtaskstriple-check> |
| <label for=m-enoverviewtaskstriple-check><a href=/en/overview/tasks/triple/ class="align-left pl-0 td-sidebar-link td-sidebar-link__section" id=m-enoverviewtaskstriple><span>Triple Usage Example</span></a></label><ul class="ul-3 foldable"><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-enoverviewtaskstripleidl-li><input type=checkbox id=m-enoverviewtaskstripleidl-check> |
| <label for=m-enoverviewtaskstripleidl-check><a href=/en/overview/tasks/triple/idl/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-enoverviewtaskstripleidl><span>Using IDL + Protobuf to define services across languages</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-enoverviewtaskstriplewrap-li><input type=checkbox id=m-enoverviewtaskstriplewrap-check> |
| <label for=m-enoverviewtaskstriplewrap-check><a href=/en/overview/tasks/triple/wrap/ title="Pojo Serialization Compatibility Mode" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-enoverviewtaskstriplewrap><span>Pojo serialization compatibility mode</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-enoverviewtaskstriplestreaming-li><input type=checkbox id=m-enoverviewtaskstriplestreaming-check> |
| <label for=m-enoverviewtaskstriplestreaming-check><a href=/en/overview/tasks/triple/streaming/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-enoverviewtaskstriplestreaming><span>Streaming communication mode</span></a></label></li></ul></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section with-child" id=m-enoverviewtasksmigration-li><input type=checkbox id=m-enoverviewtasksmigration-check> |
| <label for=m-enoverviewtasksmigration-check><a href=/en/overview/tasks/migration/ title="How to smoothly migrate to the new functions of Dubbo3" class="align-left pl-0 td-sidebar-link td-sidebar-link__section" id=m-enoverviewtasksmigration><span>Migrate to Dubbo3</span></a></label><ul class="ul-3 foldable"><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-enoverviewtasksmigration2to3-li><input type=checkbox id=m-enoverviewtasksmigration2to3-check> |
| <label for=m-enoverviewtasksmigration2to3-check><a href=/en/overview/tasks/migration/2to3/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-enoverviewtasksmigration2to3><span>Upgrade to Dubbo3</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-enoverviewtasksmigrationmigration-triple-li><input type=checkbox id=m-enoverviewtasksmigrationmigration-triple-check> |
| <label for=m-enoverviewtasksmigrationmigration-triple-check><a href=/en/overview/tasks/migration/migration-triple/ title="Guide to Migrating Dubbo Protocol to Triple Protocol" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-enoverviewtasksmigrationmigration-triple><span>Triple Protocol</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-enoverviewtasksmigrationservice-discovery-samples-li><input type=checkbox id=m-enoverviewtasksmigrationservice-discovery-samples-check> |
| <label for=m-enoverviewtasksmigrationservice-discovery-samples-check><a href=/en/overview/tasks/migration/service-discovery-samples/ title="Dubbo3 application-level service discovery" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-enoverviewtasksmigrationservice-discovery-samples><span>Application-Level Service Discovery</span></a></label></li></ul></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section with-child" id=m-enoverviewtasksecosystem-li><input type=checkbox id=m-enoverviewtasksecosystem-check> |
| <label for=m-enoverviewtasksecosystem-check><a href=/en/overview/tasks/ecosystem/ class="align-left pl-0 td-sidebar-link td-sidebar-link__section" id=m-enoverviewtasksecosystem><span>Microservice Governance</span></a></label><ul class="ul-3 foldable"><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-enoverviewtasksecosystemtransaction-li><input type=checkbox id=m-enoverviewtasksecosystemtransaction-check> |
| <label for=m-enoverviewtasksecosystemtransaction-check><a href=/en/overview/tasks/ecosystem/transaction/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-enoverviewtasksecosystemtransaction><span>Transaction Management</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-enoverviewtasksecosystemrate-limit-li><input type=checkbox id=m-enoverviewtasksecosystemrate-limit-check> |
| <label for=m-enoverviewtasksecosystemrate-limit-check><a href=/en/overview/tasks/ecosystem/rate-limit/ title="Current Limit Downgrade" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-enoverviewtasksecosystemrate-limit><span>Current limit downgrade</span></a></label></li></ul></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section with-child" id=m-enoverviewtasksextensibility-li><input type=checkbox id=m-enoverviewtasksextensibility-check> |
| <label for=m-enoverviewtasksextensibility-check><a href=/en/overview/tasks/extensibility/ class="align-left pl-0 td-sidebar-link td-sidebar-link__section" id=m-enoverviewtasksextensibility><span>Custom Extensions</span></a></label><ul class="ul-3 foldable"><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-enoverviewtasksextensibilityprotocol-li><input type=checkbox id=m-enoverviewtasksextensibilityprotocol-check> |
| <label for=m-enoverviewtasksextensibilityprotocol-check><a href=/en/overview/tasks/extensibility/protocol/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-enoverviewtasksextensibilityprotocol><span>Protocol</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-enoverviewtasksextensibilityregistry-li><input type=checkbox id=m-enoverviewtasksextensibilityregistry-check> |
| <label for=m-enoverviewtasksextensibilityregistry-check><a href=/en/overview/tasks/extensibility/registry/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-enoverviewtasksextensibilityregistry><span>Registry</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-enoverviewtasksextensibilityrouter-li><input type=checkbox id=m-enoverviewtasksextensibilityrouter-check> |
| <label for=m-enoverviewtasksextensibilityrouter-check><a href=/en/overview/tasks/extensibility/router/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-enoverviewtasksextensibilityrouter><span>Router</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-enoverviewtasksextensibilityfilter-li><input type=checkbox id=m-enoverviewtasksextensibilityfilter-check> |
| <label for=m-enoverviewtasksextensibilityfilter-check><a href=/en/overview/tasks/extensibility/filter/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-enoverviewtasksextensibilityfilter><span>Custom extension</span></a></label></li></ul></li></ul></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section with-child" id=m-enoverviewmannual-li><input type=checkbox id=m-enoverviewmannual-check> |
| <label for=m-enoverviewmannual-check><a href=/en/overview/mannual/ class="align-left pl-0 td-sidebar-link td-sidebar-link__section" id=m-enoverviewmannual><span>SDK Manual</span></a></label><ul class="ul-2 foldable"><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-enoverviewmannualjava-li><input type=checkbox id=m-enoverviewmannualjava-check> |
| <label for=m-enoverviewmannualjava-check><a href=/en/docs3-v2/java-sdk/ title="Java SDK" target=_blank rel=noopener class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-enoverviewmannualjava><span>Java</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-enoverviewmannualgolang-li><input type=checkbox id=m-enoverviewmannualgolang-check> |
| <label for=m-enoverviewmannualgolang-check><a href=/en/docs3-v2/golang-sdk/ title="Golang SDK" target=_blank rel=noopener class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-enoverviewmannualgolang><span>Golang</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-enoverviewmannualrust-li><input type=checkbox id=m-enoverviewmannualrust-check> |
| <label for=m-enoverviewmannualrust-check><a href=/en/docs3-v2/rust-sdk/ title="Rust SDK" target=_blank rel=noopener class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-enoverviewmannualrust><span>Rust</span></a></label></li></ul></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section with-child" id=m-enoverviewcore-features-li><input type=checkbox id=m-enoverviewcore-features-check> |
| <label for=m-enoverviewcore-features-check><a href=/en/overview/core-features/ title="Core Features" class="align-left pl-0 td-sidebar-link td-sidebar-link__section" id=m-enoverviewcore-features><span>Features</span></a></label><ul class="ul-2 foldable"><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-enoverviewcore-featuresservice-definition-li><input type=checkbox id=m-enoverviewcore-featuresservice-definition-check> |
| <label for=m-enoverviewcore-featuresservice-definition-check><a href=/en/overview/core-features/service-definition/ title="Develop microservice with Dubbo" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-enoverviewcore-featuresservice-definition><span>Microservice develop</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-enoverviewcore-featuresservice-mesh-li><input type=checkbox id=m-enoverviewcore-featuresservice-mesh-check> |
| <label for=m-enoverviewcore-featuresservice-mesh-check><a href=/en/overview/core-features/service-mesh/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-enoverviewcore-featuresservice-mesh><span>Service Mesh</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-enoverviewcore-featuresservice-discovery-li><input type=checkbox id=m-enoverviewcore-featuresservice-discovery-check> |
| <label for=m-enoverviewcore-featuresservice-discovery-check><a href=/en/overview/core-features/service-discovery/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-enoverviewcore-featuresservice-discovery><span>Service Discovery</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-enoverviewcore-featuresmore-li><input type=checkbox id=m-enoverviewcore-featuresmore-check> |
| <label for=m-enoverviewcore-featuresmore-check><a href=/en/overview/core-features/more/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-enoverviewcore-featuresmore><span>More Advanced Features</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-enoverviewcore-featuresload-balance-li><input type=checkbox id=m-enoverviewcore-featuresload-balance-check> |
| <label for=m-enoverviewcore-featuresload-balance-check><a href=/en/overview/core-features/load-balance/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-enoverviewcore-featuresload-balance><span>Load Balancing</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section with-child" id=m-enoverviewcore-featurestraffic-li><input type=checkbox id=m-enoverviewcore-featurestraffic-check> |
| <label for=m-enoverviewcore-featurestraffic-check><a href=/en/overview/core-features/traffic/ class="align-left pl-0 td-sidebar-link td-sidebar-link__section" id=m-enoverviewcore-featurestraffic><span>流量管控</span></a></label><ul class="ul-3 foldable"><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-enoverviewcore-featurestrafficcondition-rule-li><input type=checkbox id=m-enoverviewcore-featurestrafficcondition-rule-check> |
| <label for=m-enoverviewcore-featurestrafficcondition-rule-check><a href=/en/overview/core-features/traffic/condition-rule/ title="Conditional Routing Rules" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-enoverviewcore-featurestrafficcondition-rule><span>Conditional Routing</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-enoverviewcore-featurestraffictag-rule-li><input type=checkbox id=m-enoverviewcore-featurestraffictag-rule-check> |
| <label for=m-enoverviewcore-featurestraffictag-rule-check><a href=/en/overview/core-features/traffic/tag-rule/ title=标签路由规则 class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-enoverviewcore-featurestraffictag-rule><span>标签路由</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-enoverviewcore-featurestrafficscript-rule-li><input type=checkbox id=m-enoverviewcore-featurestrafficscript-rule-check> |
| <label for=m-enoverviewcore-featurestrafficscript-rule-check><a href=/en/overview/core-features/traffic/script-rule/ title=脚本路由规则 class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-enoverviewcore-featurestrafficscript-rule><span>脚本路由</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-enoverviewcore-featurestrafficconfiguration-rule-li><input type=checkbox id=m-enoverviewcore-featurestrafficconfiguration-rule-check> |
| <label for=m-enoverviewcore-featurestrafficconfiguration-rule-check><a href=/en/overview/core-features/traffic/configuration-rule/ title=动态配置规则 class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-enoverviewcore-featurestrafficconfiguration-rule><span>动态配置</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-enoverviewcore-featurestrafficmesh-rule-li><input type=checkbox id=m-enoverviewcore-featurestrafficmesh-rule-check> |
| <label for=m-enoverviewcore-featurestrafficmesh-rule-check><a href=/en/overview/core-features/traffic/mesh-rule/ title=基于服务网格的路由规则 class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-enoverviewcore-featurestrafficmesh-rule><span>服务网格</span></a></label></li></ul></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-enoverviewcore-featuresprotocols-li><input type=checkbox id=m-enoverviewcore-featuresprotocols-check> |
| <label for=m-enoverviewcore-featuresprotocols-check><a href=/en/overview/core-features/protocols/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-enoverviewcore-featuresprotocols><span>Protocols</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-enoverviewcore-featuresextensibility-li><input type=checkbox id=m-enoverviewcore-featuresextensibility-check> |
| <label for=m-enoverviewcore-featuresextensibility-check><a href=/en/overview/core-features/extensibility/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-enoverviewcore-featuresextensibility><span>Extensibility Adaptation</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-enoverviewcore-featuresobservability-li><input type=checkbox id=m-enoverviewcore-featuresobservability-check> |
| <label for=m-enoverviewcore-featuresobservability-check><a href=/en/overview/core-features/observability/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-enoverviewcore-featuresobservability><span>Observability</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-enoverviewcore-featuressecurity-li><input type=checkbox id=m-enoverviewcore-featuressecurity-check> |
| <label for=m-enoverviewcore-featuressecurity-check><a href=/en/overview/core-features/security/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-enoverviewcore-featuressecurity><span>Authentication</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-enoverviewcore-featuresecosystem-li><input type=checkbox id=m-enoverviewcore-featuresecosystem-check> |
| <label for=m-enoverviewcore-featuresecosystem-check><a href=/en/overview/core-features/ecosystem/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-enoverviewcore-featuresecosystem><span>Microservices Ecosystem</span></a></label></li></ul></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section with-child" id=m-enoverviewnotices-li><input type=checkbox id=m-enoverviewnotices-check> |
| <label for=m-enoverviewnotices-check><a href=/en/overview/notices/ class="align-left pl-0 td-sidebar-link td-sidebar-link__section" id=m-enoverviewnotices><span>Security Notice</span></a></label><ul class="ul-2 foldable"><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-enoverviewnoticesserialization-li><input type=checkbox id=m-enoverviewnoticesserialization-check> |
| <label for=m-enoverviewnoticesserialization-check><a href=/en/overview/notices/serialization/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-enoverviewnoticesserialization><span>Serialization Security</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-enoverviewnoticesprotocol-li><input type=checkbox id=m-enoverviewnoticesprotocol-check> |
| <label for=m-enoverviewnoticesprotocol-check><a href=/en/overview/notices/protocol/ title="RPC Protocol Security" class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-enoverviewnoticesprotocol><span>RPC protocol security</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-enoverviewnoticesregistry-li><input type=checkbox id=m-enoverviewnoticesregistry-check> |
| <label for=m-enoverviewnoticesregistry-check><a href=/en/overview/notices/registry/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-enoverviewnoticesregistry><span>Registration Center Security</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-enoverviewnoticesadmin-li><input type=checkbox id=m-enoverviewnoticesadmin-check> |
| <label for=m-enoverviewnoticesadmin-check><a href=/en/overview/notices/admin/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-enoverviewnoticesadmin><span>Dubbo Admin Security</span></a></label></li><li class="td-sidebar-nav__section-title td-sidebar-nav__section without-child" id=m-enoverviewnoticeslog4j-li><input type=checkbox id=m-enoverviewnoticeslog4j-check> |
| <label for=m-enoverviewnoticeslog4j-check><a href=/en/overview/notices/log4j/ class="align-left pl-0 td-sidebar-link td-sidebar-link__page" id=m-enoverviewnoticeslog4j><span>Log4j vulnerability impact</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/en/overview/>Overview</a></li><li class=breadcrumb-item><a href=https://cn.dubbo.apache.org/en/overview/core-features/>Features</a></li><li class=breadcrumb-item><a href=https://cn.dubbo.apache.org/en/overview/core-features/traffic/>流量管控</a></li><li class="breadcrumb-item active" aria-current=page><a href=https://cn.dubbo.apache.org/en/overview/core-features/traffic/condition-rule/ aria-disabled=true class="btn-link disabled">Conditional Routing</a></li></ol></nav><div class=td-content><h1>Conditional Routing Rules</h1><header class=article-meta></header><p>Conditional routing rules forward requests that meet specific conditions to a subset of destination instances. The rules match the request parameters of incoming traffic, and requests that meet the matching criteria are forwarded to a subset that contains a specific list of instance addresses.</p><p>Here is an example of a conditional routing rule.</p><p>Based on the following example rule, all invocations of the <code>getComment</code> method in the <code>org.apache.dubbo.samples.CommentService</code> service will be forwarded to a subset of addresses marked with <code>region=Hangzhou</code>.</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:#268bd2>configVersion</span>: v3.0 |
| </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.CommentService |
| </span></span><span style=display:flex><span><span style=color:#268bd2>conditions</span>: |
| </span></span><span style=display:flex><span> - method=getComment => region=Hangzhou |
| </span></span></code></pre></div><p>You can refer to specific example code for conditional routing <a href=https://github.com/apache/dubbo-samples/tree/master/4-governance/dubbo-samples-configconditionrouter/src/main/java/org/apache/dubbo/samples/governance>here</a>.</p><h2 id=conditionrule>ConditionRule</h2><p>The body of a conditional routing rule defines the target service or application on which the routing rule will take effect, the traffic filtering conditions, and the behaviors in certain specific scenarios.</p><table><thead><tr><th>Field</th><th>Type</th><th>Description</th><th>Required</th></tr></thead><tbody><tr><td>configVersion</td><td>string</td><td>The version of the condition rule definition, currently available version is <code>v3.0</code></td><td>Yes</td></tr><tr><td>scope</td><td>string</td><td>Supports <code>service</code> and <code>application</code> scope rules.</td><td>Yes</td></tr><tr><td>key</td><td>string</td><td>The identifier of the target service or application that this rule is about to apply to.<br><br>- If <code>scope:service</code>is set, then <code>key</code>should be specified as the Dubbo service key that this rule targets to control.<br>- If <code>scope:application</code> is set, then <code>key</code>should be specified as the name of the application that this rule targets to control, application should always be a Dubbo Consumer.</td><td>Yes</td></tr><tr><td>enabled</td><td>bool</td><td>Whether enable this rule or not, set <code>enabled:false</code> to disable this rule.</td><td>Yes</td></tr><tr><td>conditions</td><td>string[]</td><td>The condition routing rule definition of this configuration. Check <a href=./#condition>Condition</a> for details</td><td>Yes</td></tr><tr><td>force</td><td>bool</td><td>The behavior when the instance subset is empty after routing. <code>true</code> means return no provider exception while <code>false</code> means ignore this rule.</td><td>No</td></tr><tr><td>runtime</td><td>bool</td><td>Whether run routing rule for every rpc invocation or use routing cache if available.</td><td>No</td></tr></tbody></table><h2 id=condition>Condition</h2><p>The <code>Condition</code> serves as the body of a conditional routing rule and is of type string with a composite structure, such as <code>method=getComment => region=Hangzhou</code>. Here:</p><ul><li>The conditions before the <code>=></code> symbol indicate the request parameter matching conditions. The specified <code>matching conditions</code> are compared with the consumer’s request context (URL) or even method parameters. When the consumer satisfies the matching conditions, the address subset filtering rules following the conditions will be applied to the consumer.</li><li>The conditions after the <code>=></code> symbol represent the address subset filtering conditions. The specified <code>filtering conditions</code> are compared with the provider instance addresses (URLs). The consumer can only access instances that meet the filtering conditions, ensuring that traffic is only sent to the subset of addresses that meet the conditions.<ul><li>If the matching conditions are empty, it means the rule applies to all requests, for example:<code>=> status != staging</code></li><li>If the filtering conditions are empty, it denies access from the corresponding requests, for example: <code>application = product =></code></li></ul></li></ul><h3 id=matchingfiltering-conditions>Matching/Filtering Conditions</h3><p><strong>Parameter Support</strong></p><ul><li>Service invocation context, such as interface, method, group, version, etc.</li><li>Request context, such as attachments[key] = value.</li><li>Method parameters, such as arguments[0] = tom.</li><li>Fields in the URL itself, such as protocol, host, port, etc.</li><li>Additional parameters on the URL, such as application, organization, etc.</li><li>Supports developer-defined extensions.</li></ul><p><strong>Condition Support</strong></p><ul><li>The equal sign (=) represents “match,” for example: method = getComment.</li><li>The not-equal sign (!=) represents “not match,” for example: method != getComment.</li></ul><p><strong>Value Support</strong></p><ul><li>Multiple values separated by commas (,), for example: host != 10.20.153.10,10.20.153.11.</li><li>Ending with an asterisk () denotes wildcard matching, for example: host != 10.20..</li><li>Starting with a dollar sign ($) indicates referencing consumer parameters, for example: region = $region.</li><li>Integer value ranges, for example: userId = 1~100, userId = 101~.</li><li>Supports developer-defined extensions.</li></ul><div id=pre-footer><h2>Feedback</h2><p class=feedback--prompt>Was this page helpful?</p><button class="btn btn-primary mb-4 feedback--yes">Yes</button> |
| <button class="btn btn-primary mb-4 feedback--no">No</button></div><script>const yes=document.querySelector(".feedback--yes"),no=document.querySelector(".feedback--no");document.querySelectorAll(".feedback--link").forEach(e=>{e.href=e.href+window.location.pathname});const sendFeedback=e=>{gtag||console.log("!gtag"),gtag("event","click",{event_category:"Helpful",event_label:window.location.pathname,value:e})},disableButtons=()=>{yes.disabled=!0,yes.classList.add("feedback--button__disabled"),no.disabled=!0,no.classList.add("feedback--button__disabled")};yes.addEventListener("click",()=>{sendFeedback(1),disableButtons(),document.querySelector(".feedback--response").classList.remove("feedback--response__hidden")}),no.addEventListener("click",()=>{sendFeedback(0),disableButtons(),document.querySelector(".feedback--response").classList.remove("feedback--response__hidden")})</script><br><div class="text-muted mt-5 pt-3 border-top">Last modified January 11, 2024: <a href=https://github.com/apache/dubbo-website/commit/2fe914296a3898c54d208f01bba3ef91142ce6c0>Enhance Condition Routing Rule doc (#2901) (2fe914296a3)</a></div></div></main><div class="d-none d-xl-block col-xl-2 td-toc d-print-none"><div class="td-page-meta ml-2 pb-1 pt-2 mb-0"><a href=https://github.com/apache/dubbo-website/edit/master/content/en/overview/core-features/traffic/condition-rule.md target=_blank><i class="fa fa-edit fa-fw"></i> Edit this page</a> |
| <a href="https://github.com/apache/dubbo-website/new/master/content/en/overview/core-features/traffic/condition-rule.md?filename=change-me.md&value=---%0Atitle%3A+%22Long+Page+Title%22%0AlinkTitle%3A+%22Short+Nav+Title%22%0Aweight%3A+100%0Adescription%3A+%3E-%0A+++++Page+description+for+heading+and+indexes.%0A---%0A%0A%23%23+Heading%0A%0AEdit+this+template+to+create+your+new+page.%0A%0A%2A+Give+it+a+good+name%2C+ending+in+%60.md%60+-+e.g.+%60getting-started.md%60%0A%2A+Edit+the+%22front+matter%22+section+at+the+top+of+the+page+%28weight+controls+how+its+ordered+amongst+other+pages+in+the+same+directory%3B+lowest+number+first%29.%0A%2A+Add+a+good+commit+message+at+the+bottom+of+the+page+%28%3C80+characters%3B+use+the+extended+description+field+for+more+detail%29.%0A%2A+Create+a+new+branch+so+you+can+preview+your+new+file+and+request+a+review+via+Pull+Request.%0A" target=_blank><i class="fa fa-edit fa-fw"></i> Create child page</a> |
| <a href="https://github.com/apache/dubbo-website/issues/new?title=Conditional%20Routing%20Rules" target=_blank><i class="fab fa-github fa-fw"></i> Create an issue</a> |
| <a href=https://github.com/apache/dubbo/issues/new target=_blank><i class="fas fa-tasks fa-fw"></i> Create project issue</a></div><nav id=TableOfContents><ul><li><a href=#conditionrule>ConditionRule</a></li><li><a href=#condition>Condition</a><ul><li><a href=#matchingfiltering-conditions>Matching/Filtering Conditions</a></li></ul></li></ul></nav></div></div></div></div><footer class="bg-dark py-5 row d-print-none footer-margin-0"><div class="container-fluid mx-sm-5"><div class=row><div class="col-6 col-sm-4 text-xs-center order-sm-2"><ul class="list-inline mb-0"><li class="list-inline-item mx-2 h3" data-toggle=tooltip data-placement=top title="Dubbo mailing list archive" aria-label="Dubbo mailing list archive"><a class=text-white target=_blank rel="noopener noreferrer" href=https://lists.apache.org/list.html?dev@dubbo.apache.org><i class="fa fa-envelope"></i></a></li></ul></div><div class="col-6 col-sm-4 text-right text-xs-center order-sm-3"><ul class="list-inline mb-0"><li class="list-inline-item mx-2 h3" data-toggle=tooltip data-placement=top title=GitHub aria-label=GitHub><a class=text-white target=_blank rel="noopener noreferrer" href=https://github.com/apache/dubbo><i class="fab fa-github"></i></a></li><li class="list-inline-item mx-2 h3" data-toggle=tooltip data-placement=top title="Subscribe to mailing list" aria-label="Subscribe to mailing list"><a class=text-white target=_blank rel="noopener noreferrer" href=mailto:dev-subscribe@dubbo.apache.org><i class="fa fa-envelope"></i></a></li></ul></div><div class="col-12 col-sm-4 text-center py-2 order-sm-2"><small class=text-white>© 2024 The Apache Software Foundation. Apache and the Apache feather logo are trademarks of The Apache Software Foundation. All Rights Reserved</small></div></div></div></footer><div class="row pt-2 pb-2 footer-margin-0"><div class="container-fluid mx-sm-5"><div class=text-center id=my-footer><img alt=apache_logo src=/imgs/apache_logo.png><ul><li><a href=https://www.apache.org>Foundation</a></li><li><a href=https://www.apache.org/licenses/>License</a></li><li><a href=https://dubbo.apache.org/en/overview/notices/>Security</a></li><li><a href=https://www.apache.org/events/current-event>Events</a></li><li><a href=https://www.apache.org/foundation/sponsorship.html>Sponsorship</a></li><li><a href=https://privacy.apache.org/policies/privacy-policy-public.html>Privacy</a></li><li><a href=https://www.apache.org/foundation/thanks.html>Thanks</a></li></ul></div></div></div><script src=/js/popper.min.js integrity=sha384-ZMP7rVo3mIykV+2+9J3UJ46jBk0WLaUAdn689aCwoqbBJiSnjAK/l8WvCWPIPm49 crossorigin=anonymous></script><script src=/js/bootstrap.min.js integrity=sha384-ChfqqxuZUCnJSK3+MXmPNIyE6ZbWh2IMqE241rYiqJxyMiZ6OW/JmZQ5stwEULTy crossorigin=anonymous></script><script src=/js/main.min.b075178d232d3b0039b3cb6af2fc2e9d90071820167a60f4eea3a79169975ee8.js integrity="sha256-sHUXjSMtOwA5s8tq8vwunZAHGCAWemD07qOnkWmXXug=" crossorigin=anonymous></script><script async src=https://widget.kapa.ai/kapa-widget.bundle.js data-website-id=d763c4f2-f871-400b-aeca-d986c4af73c2 data-project-name="Apache Dubbo" data-project-color=#E8442E data-button-text="Ask AI" data-search-mode-enabled=true data-modal-open-on-command-k=true data-modal-disclaimer="The AI supports multiple languages, but it may not be accessible in China due to recaptcha, a proxy is required." data-project-logo=https://pbs.twimg.com/profile_images/1011849068283191302/FJbH5vbF_400x400.jpg data-modal-example-questions="What is Apache Dubbo?,How to run Apache Dubbo?" data-button-position-top data-button-position-right=20px data-button-position-bottom=200px data-button-position-left></script><script>(function(e,t,n,s){e[s]=e[s]||[];var a=t.getElementsByTagName(n)[0],i=t.createElement(n);i.async=!0,i.id="beacon-aplus",i.setAttribute("exparams","userid=&aplus&sidx=aplusSidex&ckx=aplusCkx"),i.src="//g.alicdn.com/alilog/mlog/aplus_v2.js",i.crossorigin="anonymous",a.parentNode.insertBefore(i,a)})(window,document,"script","aplus_queue"),function(e){var t=e.createElement("script");t.type="text/javascript",t.async=!0,t.src="//g.alicdn.com/aes/??tracker/3.3.4/index.js,tracker-plugin-pv/3.0.5/index.js,tracker-plugin-event/3.0.0/index.js,tracker-plugin-autolog/3.0.3/index.js,tracker-plugin-survey/3.0.3/index.js,tracker-plugin-jserror/3.0.3/index.js,tracker-plugin-resourceError/3.0.3/index.js",t.onload=function(){window.AES_CONFIG=window.AES_CONFIG||{env:"prod"},window.aes=new AES({pid:"zN245h",user_type:6}),window.AESPluginAutologConfig={exposure:"auto"},window.AEMPluginInstances=[aes.use(AESPluginPV,window.AESPluginPVConfig||{enableHistory:!0}),aes.use(AESPluginEvent,window.AESPluginEventConfig||{}),aes.use(AESPluginSurvey,window.AESPluginEventConfig||{}),aes.use(AESPluginAutolog,window.AESPluginAutologConfig||{}),aes.use(AESPluginJSError,window.AESPluginJSError||{}),aes.use(AESPluginResourceError,window.AESPluginResourceError||{})]},setTimeout(function(){e.getElementsByTagName("body")[0].appendChild(t)},800)}(document)</script></body></html> |
