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+  <article class="page" itemscope itemtype="http://schema.org/CreativeWork";>
+    <meta itemprop="headline" content="服务心跳">
+    <meta itemprop="description" content="服务心跳">
+    
+    <meta itemprop="dateModified" content="August 15, 2017">
+
+    <div class="page__inner-wrap">
+      
+        
+          <header>
+            <h1 class="page__title" itemprop="headline">服务心跳
+</h1>
+            
+          </header>
+        
+      
+
+      <section class="page__content" itemprop="text">
+        <aside class="sidebar__right">
+<nav class="toc">
+    <!-- <header><h4 class="nav__title"><i class="fa fa-file-text"></i> 
在本页上</h4></header> -->
+<ul class="toc__menu" id="markdown-toc">
+  <li><a href="#场景描述" 
id="markdown-toc-场景描述">场景描述</a></li>
+  <li><a href="#涉及api" id="markdown-toc-涉及api">涉及API</a></li>
+  <li><a href="#配置说明" id="markdown-toc-配置说明">é…
ç½®è¯´æ˜Ž</a></li>
+</ul>
+
+  </nav>
+</aside>
+
+<h2 id="场景描述">场景描述</h2>
+
+<p>当微服务实例注册到服务中心后,微服务需要定时向服务中心发送心跳。若服务中心在一定时间å†
…没有收到心跳信息,则会注销此实例。</p>
+
+<h2 id="涉及api">涉及API</h2>
+
+<ul>
+  <li><code 
class="highlighter-rouge">io.servicecomb.serviceregistry.client.ServiceRegistryClient</code>:服务中心客户端</li>
+</ul>
+
+<h2 id="配置说明">配置说明</h2>
+
+<p><code 
class="highlighter-rouge">ServiceRegistryClient</code>提供了发送心跳的方法<code
 
class="highlighter-rouge">heartbeat</code>,用户直接调用即可,示例代ç
 å¦‚下:</p>
+
+<div class="language-java highlighter-rouge"><pre 
class="highlight"><code><span class="kd">public</span> <span 
class="kd">static</span> <span class="kt">void</span> <span 
class="nf">main</span><span class="o">(</span><span 
class="n">String</span><span class="o">[]</span> <span 
class="n">args</span><span class="o">)</span> <span class="kd">throws</span> 
<span class="n">Exception</span> <span class="o">{</span>
+  <span class="c1">// 首先需要注册微服务和实例</span>
+  <span class="c1">// 发送心跳,不然实例会消失</span>
+  <span class="k">while</span> <span class="o">(</span><span 
class="kc">true</span><span class="o">)</span> <span class="o">{</span>
+    <span class="n">System</span><span class="o">.</span><span 
class="na">out</span><span class="o">.</span><span 
class="na">println</span><span class="o">(</span><span class="s">"heartbeat 
sended:"</span> <span class="o">+</span> <span class="n">client</span><span 
class="o">.</span><span class="na">heartbeat</span><span 
class="o">(</span><span class="n">service2</span><span class="o">.</span><span 
class="na">getServiceId</span><span class="o">(),</span> <span 
class="n">instance</span><span class="o">.</span><span 
class="na">getInstanceId</span><span class="o">()));</span>
+    <span class="n">Thread</span><span class="o">.</span><span 
class="na">sleep</span><span class="o">(</span><span 
class="mi">3000</span><span class="o">);</span>
+  <span class="o">}</span>
+<span class="o">}</span>
+</code></pre>
+</div>
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 with _users/cn/service-heartbeat.md">报告本网页问题</a></li>
+        <li><a 
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http://git-wip-us.apache.org/repos/asf/incubator-servicecomb-website/blob/08e1b43f/content/cn/users/service-interface-constraints/index.html
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+    <meta itemprop="headline" content="服务接口约束">
+    <meta itemprop="description" content="服务接口约束">
+    
+    <meta itemprop="dateModified" content="August 15, 2017">
+
+    <div class="page__inner-wrap">
+      
+        
+          <header>
+            <h1 class="page__title" itemprop="headline">服务接口约束
+</h1>
+            
+          </header>
+        
+      
+
+      <section class="page__content" itemprop="text">
+        <aside class="sidebar__right">
+<nav class="toc">
+    <!-- <header><h4 class="nav__title"><i class="fa fa-file-text"></i> 
在本页上</h4></header> -->
+<ul class="toc__menu" id="markdown-toc">
+  <li><a href="#接口约束说明" 
id="markdown-toc-接口约束说明">接口约束说明</a></li>
+  <li><a href="#详细的约束列表" 
id="markdown-toc-详细的约束列表">详细的约束列表</a></li>
+  <li><a href="#协议上的差异" 
id="markdown-toc-协议上的差异">协议上的差异</a></li>
+</ul>
+
+  </nav>
+</aside>
+
+<h2 id="接口约束说明">接口约束说明</h2>
+<p>Java 
Chassis对于接口的使用约束建立在一个简单的原则上:接口定义即接口使用说明,不用通过查看代ç
 å®žçŽ°ï¼Œå°±èƒ½è¯†åˆ«å¦‚何调用这个接口。举个例子:</p>
+
+<div class="language-java highlighter-rouge"><pre 
class="highlight"><code><span class="kd">public</span> <span 
class="n">Person</span> <span class="nf">query</span><span 
class="o">(</span><span class="n">String</span> <span class="n">id</span><span 
class="o">);</span>
+<span class="kd">public</span> <span class="n">Object</span> <span 
class="nf">query</span><span class="o">(</span><span class="n">String</span> 
<span class="n">id</span><span class="o">);</span>
+<span class="kd">public</span> <span class="kd">class</span> <span 
class="nc">Person</span> <span class="o">{</span><span class="n">String</span> 
<span class="n">name</span><span class="o">;}</span>
+</code></pre>
+</div>
+
+<p>显然如果调用接口一,我们知道要传
递一个String类型的id参数,返回值是一个Person类型,Person里面存在String类型的name等参数。如果调用接口二,我们不知道怎么处理返回值,å¿
…须参考服务提供者
的文档说明。可以看出,我们是站在使用者
视角这边的,以更容易被使用作为参考。</p>
+
+<p>当我们要将接口发布为REST接口的时候,可以通过使用swagger文件,指定id使用RequestParam或è€
…PathVariable或者RequestBody进行传递,也可以使用SpringMVC或者JAX 
RS提供的标签来描述。</p>
+
+<div class="language-java highlighter-rouge"><pre 
class="highlight"><code><span class="kd">public</span> <span 
class="n">Person</span> <span class="nf">query</span><span 
class="o">(</span><span class="nd">@RequestParam</span> <span 
class="n">String</span> <span class="n">id</span><span class="o">);</span> 
+<span class="kd">public</span> <span class="n">Person</span> <span 
class="nf">query</span><span class="o">(</span><span 
class="nd">@PathVariable</span> <span class="n">String</span> <span 
class="n">id</span><span class="o">);</span> 
+<span class="kd">public</span> <span class="n">Person</span> <span 
class="nf">query</span><span class="o">(</span><span 
class="nd">@RequestBody</span> <span class="n">String</span> <span 
class="n">id</span><span class="o">);</span> 
+</code></pre>
+</div>
+
+<p>通常,我们会将简单的数据类型,比如String, 
int等在RequestParam或者PathVariable传
递,而把复杂的数据类型使用JSON编码以后在RequestBody传
递,以减少HTTP协议限制可能给开发者带来的各种问题。</p>
+
+<h2 id="详细的约束列表">详细的约束列表</h2>
+<p>开发者不能在接口定义的时候使用如下类型:</p>
+
+<ul>
+  <li>比较抽象的数据结构: java.lang.Object, 
net.sf.json.JsonObject等</li>
+  <li>接口或者抽象类
+    <div class="language-java highlighter-rouge"><pre class="highlight"><code> 
<span class="kd">public</span> <span class="kd">interface</span> <span 
class="nc">IPerson</span> <span class="o">{...}</span>
+ <span class="kd">public</span> <span class="kd">abstract</span> <span 
class="kd">class</span> <span class="nc">AbstractPerson</span>  <span 
class="o">{...}</span>
+</code></pre>
+    </div>
+  </li>
+  <li>泛型
+    <div class="language-java highlighter-rouge"><pre class="highlight"><code> 
<span class="kd">public</span> <span class="kd">class</span> <span 
class="nc">PersonHolder</span><span class="o">&lt;</span><span 
class="n">T</span><span class="o">&gt;</span> <span class="o">{...}</span>
+</code></pre>
+    </div>
+  </li>
+  <li>
+    <p>上述类型的集合类型或者
没指定类型的集合,比如:<code 
class="highlighter-rouge">List&lt;IPerson&gt;, Map&lt;String, 
PersonHolder&lt;?&gt;&gt;, List, Map</code>等。 <code 
class="highlighter-rouge">List&lt;String&gt;, List&lt;Person&gt;</code>这些å…
·ä½“类型是支持的。</p>
+  </li>
+  <li>包含上述类型作为属性的类型
+    <div class="language-java highlighter-rouge"><pre class="highlight"><code> 
<span class="kd">public</span> <span class="kd">class</span> <span 
class="nc">GroupOfPerson</span> <span class="o">{</span><span 
class="n">IPerson</span> <span class="n">master</span> <span 
class="o">...}</span>
+</code></pre>
+    </div>
+  </li>
+</ul>
+
+<p>开发者不用担
心记不住这些约束,程序会在启动的时候检查不支持的类型,并给与错误提示。</p>
+
+<h2 id="协议上的差异">协议上的差异</h2>
+<p>尽管ServiceComb-Java-Chassis实现了不同协议之间开发方式的透明,受限于底层协议的限制,不同的协议存在少量差异。</p>
+
+<ul>
+  <li>
+    <p>map,key只支持string</p>
+  </li>
+  <li>highway (protobuf限制)
+    <ol>
+      <li>不支持在网络上传递null,包括Collection、array中的å…
ƒç´ ï¼Œmap的value</li>
+      <li>长度为0的数组、list,不会在网络上传
递,接收端解码出来就是默认值</li>
+    </ol>
+  </li>
+  <li>springmvc
+    <ol>
+      <li>不支持Date作为path、query参数。 因
为springmvc直接将Date做toString放在path、query中,与swagger的æ 
‡å‡†ä¸åŒ¹é…ã€‚</li>
+    </ol>
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http://git-wip-us.apache.org/repos/asf/incubator-servicecomb-website/blob/08e1b43f/content/cn/users/setup-environment/index.html
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--- /dev/null
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@@ -0,0 +1,752 @@
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+        <ul class="hidden-links hidden"></ul>
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+    
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+          <span class="nav__sub-title">用户手册</span>
+        
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+          
+            
+            
+
+            
+            
+
+            <li><a href="/cn/users/" class="">Java Chassis系统架构</a></li>
+          
+            
+            
+
+            
+            
+
+            <li><a href="/cn/users/setup-environment/" class="active">环境é…
ç½®</a></li>
+          
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+        
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class="">服务定义</a></li>
+          
+            
+            
+
+            
+            
+
+            <li><a href="/cn/users/service-contract/" 
class="">服务契约</a></li>
+          
+            
+            
+
+            
+            
+
+            <li><a href="/cn/users/develop-with-springmvc/" 
class="">用SpringMVC开发微服务</a></li>
+          
+            
+            
+
+            
+            
+
+            <li><a href="/cn/users/develop-with-jax-rs/" 
class="">用JAX-RS开发微服务</a></li>
+          
+            
+            
+
+            
+            
+
+            <li><a href="/cn/users/develop-with-transparent-rpc/" 
class="">用透明RPC开发微服务</a></li>
+          
+            
+            
+
+            
+            
+
+            <li><a href="/cn/users/service-interface-constraints/" 
class="">服务接口约束</a></li>
+          
+            
+            
+
+            
+            
+
+            <li><a href="/cn/users/service-configurations/" class="">服务é…
ç½®</a></li>
+          
+            
+            
+
+            
+            
+
+            <li><a href="/cn/users/communicate-protocol/" 
class="">通信协议</a></li>
+          
+            
+            
+
+            
+            
+
+            <li><a href="/cn/users/application-boot-process/" 
class="">程序启动逻辑</a></li>
+          
+            
+            
+
+            
+            
+
+            <li><a href="/cn/users/service-heartbeat/" 
class="">服务心跳</a></li>
+          
+        </ul>
+        
+      </li>
+    
+      <li>
+        
+          <span class="nav__sub-title">开发服务消费者</span>
+        
+
+        
+        <ul>
+          
+            
+            
+
+            
+            
+
+            <li><a href="/cn/users/develop-with-rest-template/" 
class="">使用Rest Template方式开发</a></li>
+          
+            
+            
+
+            
+            
+
+            <li><a href="/cn/users/develop-with-rpc/" 
class="">使用RPC方式开发</a></li>
+          
+            
+            
+
+            
+            
+
+            <li><a href="/cn/users/use-service-contract/" 
class="">使用服务契约</a></li>
+          
+            
+            
+
+            
+            
+
+            <li><a href="/cn/users/invoke-control/" 
class="">调用控制</a></li>
+          
+        </ul>
+        
+      </li>
+    
+      <li>
+        
+          <span class="nav__sub-title">通用开发</span>
+        
+
+        
+        <ul>
+          
+            
+            
+
+            
+            
+
+            <li><a href="/cn/users/local-develop-test/" 
class="">本地开发与测试</a></li>
+          
+            
+            
+
+            
+            
+
+            <li><a href="/cn/users/use-servicecomb-in-spring-boot/" 
class="">在Spring Boot中使用ServiceComb</a></li>
+          
+            
+            
+
+            
+            
+
+            <li><a href="/cn/users/distributed-tracing/" 
class="">分布式调用链追踪</a></li>
+          
+            
+            
+
+            
+            
+
+            <li><a href="/cn/users/customized-tracing/" 
class="">自定义调用链打点</a></li>
+          
+        </ul>
+        
+      </li>
+    
+      <li>
+        
+          <span class="nav__sub-title">服务能力开放</span>
+        
+
+        
+        <ul>
+          
+            
+            
+
+            
+            
+
+            <li><a href="/cn/users/edging-service/nginx/" 
class="">使用confd和Nginx做边缘服务</a></li>
+          
+            
+            
+
+            
+            
+
+            <li><a href="/cn/users/edging-service/zuul/" 
class="">使用Zuul做边缘服务</a></li>
+          
+        </ul>
+        
+      </li>
+    
+      <li>
+        
+          
+          
+
+          <a href="/cn/users/metrics/"><span class="nav__sub-title 
nav__sub-title-with-url">监控</span></a>
+        
+
+        
+      </li>
+    
+      <li>
+        
+          <span class="nav__sub-title">部署</span>
+        
+
+        
+        <ul>
+          
+            
+            
+
+            
+            
+
+            <li><a href="/cn/users/run-mode/" class="">运行模式</a></li>
+          
+        </ul>
+        
+      </li>
+    
+      <li>
+        
+          <span class="nav__sub-title">微服务安全</span>
+        
+
+        
+        <ul>
+          
+            
+            
+
+            
+            
+
+            <li><a href="/cn/users/use-tls/" class="">使用TLS通信</a></li>
+          
+        </ul>
+        
+      </li>
+    
+  </ul>
+</nav>
+
+    
+  
+  </div>
+
+
+
+  <article class="page" itemscope itemtype="http://schema.org/CreativeWork";>
+    <meta itemprop="headline" content="环境配置">
+    <meta itemprop="description" content="环境配置">
+    
+    <meta itemprop="dateModified" content="September 03, 2017">
+
+    <div class="page__inner-wrap">
+      
+        
+          <header>
+            <h1 class="page__title" itemprop="headline">环境配置
+</h1>
+            
+          </header>
+        
+      
+
+      <section class="page__content" itemprop="text">
+        <aside class="sidebar__right">
+<nav class="toc">
+    <!-- <header><h4 class="nav__title"><i class="fa fa-file-text"></i> 
在本页上</h4></header> -->
+<ul class="toc__menu" id="markdown-toc">
+  <li><a href="#安装java开发环境" id="markdown-toc-安装
java开发环境">安装Java开发环境</a></li>
+  <li><a href="#运行service-center" 
id="markdown-toc-运行service-center">运行<em>Service Center</em></a></li>
+</ul>
+
+  </nav>
+</aside>
+
+<h2 id="安装java开发环境">安装Java开发环境</h2>
+
+<ul>
+  <li>
+    <p>安装git,详情可参考<a 
href="https://git-scm.com/book/zh/v2/%E8%B5%B7%E6%AD%A5-%E5%AE%89%E8%A3%85-Git";>git安è£
…教程</a></p>
+  </li>
+  <li>
+    <p>安装JDK 1.8,详情可参考<a 
href="https://docs.oracle.com/javase/8/docs/technotes/guides/install/install_overview.html";
 target="_blank">JDK安装教程</a>。</p>
+  </li>
+  <li>
+    <p>安装Maven 3.x,详情可参考<a 
href="https://maven.apache.org/install.html"; target="_blank">Maven安装
教程</a>。</p>
+  </li>
+  <li>
+    <p>安装IntelliJ Idea IDE,详情可参考<a 
href="https://www.jetbrains.com/help/idea/installing-and-launching.html"; 
target="_blank">IntelliJ安装教程</a>。</p>
+  </li>
+</ul>
+
+<h2 id="运行service-center">运行<em>Service Center</em></h2>
+<p>运行Service Center有以下两种方式:</p>
+
+<ol>
+  <li>
+    <p>以可执行文件的方式运行</p>
+
+    <ul class="nav nav-tabs">
+  <li data-toggle="tab" class="active"><a data-toggle="tab" 
href="#windows">Windows</a></li>
+  <li data-toggle="tab"><a data-toggle="tab" href="#linux">Linux</a></li>
+</ul>
+
+    <div class="tab-content">
+  <div id="windows" class="tab-pane active">
+        <ol>
+          <li>下载<a 
href="https://github.com/ServiceComb/service-center/releases/download/0.1.1/service-center-0.1.1-windows-amd64.zip";>服务注册中心可执行文件压缩åŒ
…</a></li>
+          <li>解压缩到当前文件夹</li>
+          <li>进å…
¥è§£åŽ‹ç¼©åŽçš„目录,然后双击运行<strong>start</strong>文件</li>
+        </ol>
+      </div>
+  <div id="linux" class="tab-pane fade">
+        <ol>
+          <li>下载服务注册中心可执行文件压缩包并解压缩
+            <div class="language-bash highlighter-rouge"><pre 
class="highlight"><code>wget 
https://github.com/ServiceComb/service-center/releases/download/0.1.1/service-center-0.1.1-linux-amd64.tar.gz
+tar xvf service-center-0.1.1-linux-amd64.tar.gz
+</code></pre>
+            </div>
+          </li>
+          <li>运行服务注册中心
+            <div class="language-bash highlighter-rouge"><pre 
class="highlight"><code>bash service-center-0.1.1-linux-amd64/start.sh
+</code></pre>
+            </div>
+          </li>
+        </ol>
+      </div>
+</div>
+
+    <p 
class="notice--warning">注意:Window和Linux版本均只支持64位系统。</p>
+  </li>
+  <li>
+    <p>以Docker的方式运行</p>
+  </li>
+</ol>
+
+<div class="language-bash highlighter-rouge"><pre 
class="highlight"><code>docker pull servicecomb/service-center
+docker run -d -p 30100:30100 servicecomb/service-center:latest
+</code></pre>
+</div>
+
+<p class="notice--warning"><strong>注意事项:</strong> 
服务注册中心运行后绑定的IP为:<em>http://127.0.0.1:30100</em>。<br
 />
+如使用Docker Toolbox,可通过 <code 
class="highlighter-rouge">docker-machine ip</code> 
获取服务绑定IP地址。</p>
+
+        
+      </section>
+
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+        
+        
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+        <li><a href="/cn/docs/quick-start/">快速入门</a></li>
+        <li><a href="/cn/users/user-guide/">用户指南</a></li>
+        <li><a href="/cn/slides/">资料</a></li>
+        <li><a href="/cn/users/faq/">常见问题</a></li>
+      </ul>
+    </div>
+    <div class="col">
+      <ul>
+        <p class="header">贡献</p>
+        <li><a 
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 with _users/cn/setup-environment.md">报告本网页问题</a></li>
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+    
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+        
+          <span class="nav__sub-title">用户手册</span>
+        
+
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+          
+            
+            
+
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+            
+
+            <li><a href="/cn/users/" class="">Java Chassis系统架构</a></li>
+          
+            
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class="">服务定义</a></li>
+          
+            
+            
+
+            
+            
+
+            <li><a href="/cn/users/service-contract/" 
class="">服务契约</a></li>
+          
+            
+            
+
+            
+            
+
+            <li><a href="/cn/users/develop-with-springmvc/" 
class="">用SpringMVC开发微服务</a></li>
+          
+            
+            
+
+            
+            
+
+            <li><a href="/cn/users/develop-with-jax-rs/" 
class="">用JAX-RS开发微服务</a></li>
+          
+            
+            
+
+            
+            
+
+            <li><a href="/cn/users/develop-with-transparent-rpc/" 
class="">用透明RPC开发微服务</a></li>
+          
+            
+            
+
+            
+            
+
+            <li><a href="/cn/users/service-interface-constraints/" 
class="">服务接口约束</a></li>
+          
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+            
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+
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+      </li>
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class="">使用Rest Template方式开发</a></li>
+          
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class="">使用RPC方式开发</a></li>
+          
+            
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+
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+            <li><a href="/cn/users/use-service-contract/" 
class="active">使用服务契约</a></li>
+          
+            
+            
+
+            
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+
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class="">本地开发与测试</a></li>
+          
+            
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+
+            
+            
+
+            <li><a href="/cn/users/use-servicecomb-in-spring-boot/" 
class="">在Spring Boot中使用ServiceComb</a></li>
+          
+            
+            
+
+            
+            
+
+            <li><a href="/cn/users/distributed-tracing/" 
class="">分布式调用链追踪</a></li>
+          
+            
+            
+
+            
+            
+
+            <li><a href="/cn/users/customized-tracing/" 
class="">自定义调用链打点</a></li>
+          
+        </ul>
+        
+      </li>
+    
+      <li>
+        
+          <span class="nav__sub-title">服务能力开放</span>
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+
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+          
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+
+            <li><a href="/cn/users/edging-service/nginx/" 
class="">使用confd和Nginx做边缘服务</a></li>
+          
+            
+            
+
+            
+            
+
+            <li><a href="/cn/users/edging-service/zuul/" 
class="">使用Zuul做边缘服务</a></li>
+          
+        </ul>
+        
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+    
+      <li>
+        
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+          
+
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+        
+
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+          
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+
+            <li><a href="/cn/users/run-mode/" class="">运行模式</a></li>
+          
+        </ul>
+        
+      </li>
+    
+      <li>
+        
+          <span class="nav__sub-title">微服务安全</span>
+        
+
+        
+        <ul>
+          
+            
+            
+
+            
+            
+
+            <li><a href="/cn/users/use-tls/" class="">使用TLS通信</a></li>
+          
+        </ul>
+        
+      </li>
+    
+  </ul>
+</nav>
+
+    
+  
+  </div>
+
+
+
+  <article class="page" itemscope itemtype="http://schema.org/CreativeWork";>
+    <meta itemprop="headline" content="使用服务契约">
+    <meta itemprop="description" content="使用服务契约">
+    
+    <meta itemprop="dateModified" content="August 15, 2017">
+
+    <div class="page__inner-wrap">
+      
+        
+          <header>
+            <h1 class="page__title" itemprop="headline">使用服务契约
+</h1>
+            
+          </header>
+        
+      
+
+      <section class="page__content" itemprop="text">
+        <aside class="sidebar__right">
+<nav class="toc">
+    <!-- <header><h4 class="nav__title"><i class="fa fa-file-text"></i> 
在本页上</h4></header> -->
+<ul class="toc__menu" id="markdown-toc">
+  <li><a href="#场景描述" 
id="markdown-toc-场景描述">场景描述</a></li>
+  <li><a href="#配置说明" id="markdown-toc-配置说明">配置说明</a>  
  <ul>
+      <li><a href="#配置依赖服务" id="markdown-toc-配置依赖服务">é…
ç½®ä¾èµ–服务</a></li>
+      <li><a href="#手工配置服务契约" id="markdown-toc-手工é…
ç½®æœåŠ¡å¥‘约">手工配置服务契约</a></li>
+      <li><a href="#从服务中心自动下载契约" 
id="markdown-toc-从服务中心自动下载契约">从服务中心自动下载契约</a></li>
+    </ul>
+  </li>
+</ul>
+
+  </nav>
+</aside>
+
+<h2 id="场景描述">场景描述</h2>
+
+<p>当服务消费者调用服务提供者
的服务时,需要注册服务契约。消费者
有两种方式获取提供者
的服务契约,一种是从服务的提供方离线获取契约文件,手工é
…ç½®åˆ°é¡¹ç›®ä¸­ï¼›å¦ä¸€ç§æ˜¯ä»ŽæœåŠ¡ä¸­å¿ƒè‡ªåŠ¨ä¸‹è½½å¥‘约。</p>
+
+<h2 id="配置说明">配置说明</h2>
+
+<blockquote>
+  <p>说明:服务契约的获取方式与服务消费者
的开发方式是无关的,用户可以任意组合使用。</p>
+</blockquote>
+
+<h3 id="配置依赖服务">配置依赖服务</h3>
+
+<p>服务消费者需要在microservice.yaml文件中é…
ç½®ä¾èµ–çš„provider,示例配置如下:</p>
+
+<div class="language-yaml highlighter-rouge"><pre 
class="highlight"><code><span class="s">cse</span><span class="pi">:</span>
+  <span class="c1"># other configurations omitted</span>
+  <span class="s">references</span><span class="pi">:</span>
+    <span class="s">springmvc</span><span class="pi">:</span>
+      <span class="s">version-rule</span><span class="pi">:</span> <span 
class="s">0.0.1</span>
+</code></pre>
+</div>
+
+<blockquote>
+  <p>version-rule是版本匹配规则,有四种格式:</p>
+
+  <ul>
+    <li>精确版本匹配:例如<code 
class="highlighter-rouge">version-rule: 0.0.1</code>,表示只匹é…
ç‰ˆæœ¬å·ä¸º0.0.1的服务提供者</li>
+    <li>后续版本匹配:例如<code 
class="highlighter-rouge">version-rule: 1.0.0+</code>,表示匹é…
ç‰ˆæœ¬å·å¤§äºŽæˆ–等于1.0.0的服务提供者</li>
+    <li>最新版本:<code class="highlighter-rouge">version-rule: 
latest</code>,表示匹配最新版本的服务提供者</li>
+    <li>版本范围:例如<code 
class="highlighter-rouge">1.0.0-2.0.2</code>,表示匹é…
ç‰ˆæœ¬å·åœ¨1.0.0至2.0.2之间的服务提供者,包含1.0.0和2.0.2</li>
+  </ul>
+
+  <p>此配置项默认为<code class="highlighter-rouge">latest</code></p>
+</blockquote>
+
+<h3 id="手工配置服务契约">手工配置服务契约</h3>
+
+<p>服务消费者的开发者在线下拿到服务提供者的契约,é…
ç½®åˆ°æ¶ˆè´¹è€…
工程的特定目录下。服务契约在项目中的存放目录与<a 
href="/cn/users/service-contract/">服务契约</a>的é…
ç½®è¯´æ˜Žéƒ¨åˆ†ç›¸åŒã€‚</p>
+
+<p>microservice目录下的每一个目录代表一个微服务,微服务目录下的每一个yaml文件代表一个schema契约,文件名就是schemaId。applications目录下存放需要指明appId的服务契约,用于跨app调用等场景。目录结构如下所示:</p>
+<pre><code class="language-txt">resources
+  - microservices
+      - serviceName            # 微服务名
+          - schemaId.yaml      # schema接口的契约
+  - applications
+      - appId                  # 应用ID
+          - serviceName        # 微服务名
+              - schemaId.yaml  # schema接口的契约
+</code></pre>
+
+<h3 
id="从服务中心自动下载契约">从服务中心自动下载契约</h3>
+
+<p>服务消费者
也可以不用显式地将契约存放在项目目录中,当程序启动时,ServiceComb框架会自动æ
 ¹æ®microservice.yaml文件中配置的服务提供者
的微服务名称和版本号,从服务中心自动下载契约信息。</p>
+
+        
+      </section>
+
+      <footer class="page__meta">
+        
+        
+
+
+        
+      </footer>
+
+      
+
+      
+
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+
+    
+  </article>
+
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