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?>
<div id="yaf-dispatcher.seterrorhandler" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">Yaf_Dispatcher::setErrorHandler</h1>
  <p class="verinfo">(Yaf &gt;=1.0.0)</p><p class="refpurpose"><span class="refname">Yaf_Dispatcher::setErrorHandler</span> &mdash; <span class="dc-title">设置错误处理器</span></p>

 </div>

 <div class="refsect1 description" id="refsect1-yaf-dispatcher.seterrorhandler-description">
  <h3 class="title">说明</h3>
  <div class="methodsynopsis dc-description">
   <span class="modifier">public</span> <span class="modifier">function</span> <span class="methodname"><strong>Yaf_Dispatcher::setErrorHandler</strong></span>(<span class="methodparam"><span class="type"><a href="language.types.mixed.php" class="type mixed">mixed</a></span> <code class="parameter">$callback</code></span>, <span class="methodparam"><span class="type"><a href="language.types.integer.php" class="type int">int</a></span> <code class="parameter">$error_types</code><span class="initializer"> = 0</span></span>): <span class="type"><span class="type"><a href="class.yaf-dispatcher.php" class="type Yaf_Dispatcher">Yaf_Dispatcher</a></span>|<span class="type"><a href="language.types.null.php" class="type null">null</a></span>|<span class="type"><a href="language.types.singleton.php" class="type false">false</a></span></span></div>

  <p class="simpara">
   为 Yaf 设置错误处理器。当
   <a href="yaf.appconfig.php#configuration.yaf.dispatcher.throwexception" class="link">application.dispatcher.throwException</a>
   关闭时，Yaf 将在发生意外错误时触发可捕获的错误。
  </p>
  <p class="simpara">
   此方法是 <span class="function"><a href="function.set-error-handler.php" class="function">set_error_handler()</a></span> 的包装；每当引发此类错误时，
   都会调用该错误处理器。
  </p>
 </div>


 <div class="refsect1 parameters" id="refsect1-yaf-dispatcher.seterrorhandler-parameters">
  <h3 class="title">参数</h3>
  <dl>
   
    <dt><code class="parameter">callback</code></dt>
    <dd>
     <p class="simpara">
      可调用的回调，语义与传给 <span class="function"><a href="function.set-error-handler.php" class="function">set_error_handler()</a></span> 的回调相同。
     </p>
    </dd>
   
   
    <dt><code class="parameter">error_types</code></dt>
    <dd>
     <p class="simpara">
      要处理的错误类型，即 <code class="parameter">error_levels</code> 参数，
      与 <span class="function"><a href="function.set-error-handler.php" class="function">set_error_handler()</a></span> 的同名参数语义相同。默认处理所有错误类型。
     </p>
    </dd>
   
  </dl>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-yaf-dispatcher.seterrorhandler-returnvalues">
  <h3 class="title">返回值</h3>
  <p class="simpara">
   成功时返回 <span class="classname"><a href="class.yaf-dispatcher.php" class="classname">Yaf_Dispatcher</a></span> 对象本身；
   调用 <span class="function"><a href="function.set-error-handler.php" class="function">set_error_handler()</a></span> 失败时返回 <strong><code><a href="reserved.constants.php#constant.false">false</a></code></strong>；
   应用未初始化时返回 <strong><code><a href="reserved.constants.php#constant.null">null</a></code></strong>。
  </p>
 </div>


 <div class="refsect1 examples" id="refsect1-yaf-dispatcher.seterrorhandler-examples">
  <h3 class="title">示例</h3>
  <div class="example" id="example-1">
   <p><strong>示例 #1 <span class="methodname"><strong>Yaf_Dispatcher::setErrorHandler()</strong></span> 示例</strong></p>
   <div class="example-contents">
<div class="phpcode"><pre><code style="color: #000000"><span style="color: #0000BB">&lt;?php
$app </span><span style="color: #007700">= new </span><span style="color: #0000BB">Yaf_Application</span><span style="color: #007700">(</span><span style="color: #0000BB">dirname</span><span style="color: #007700">(</span><span style="color: #0000BB">__FILE__</span><span style="color: #007700">) . </span><span style="color: #DD0000">"/conf/application.ini"</span><span style="color: #007700">);

</span><span style="color: #0000BB">Yaf_Dispatcher</span><span style="color: #007700">::</span><span style="color: #0000BB">getInstance</span><span style="color: #007700">()-&gt;</span><span style="color: #0000BB">setErrorHandler</span><span style="color: #007700">(function (</span><span style="color: #0000BB">$errno</span><span style="color: #007700">, </span><span style="color: #0000BB">$errstr</span><span style="color: #007700">) {
    </span><span style="color: #FF8000">// 将错误路由到 ErrorController::errorAction
    </span><span style="color: #0000BB">$request </span><span style="color: #007700">= </span><span style="color: #0000BB">Yaf_Dispatcher</span><span style="color: #007700">::</span><span style="color: #0000BB">getInstance</span><span style="color: #007700">()-&gt;</span><span style="color: #0000BB">getRequest</span><span style="color: #007700">();
    </span><span style="color: #0000BB">$request</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">setControllerName</span><span style="color: #007700">(</span><span style="color: #DD0000">"Error"</span><span style="color: #007700">);
    </span><span style="color: #0000BB">$request</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">setActionName</span><span style="color: #007700">(</span><span style="color: #DD0000">"error"</span><span style="color: #007700">);
});

</span><span style="color: #0000BB">$app</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">run</span><span style="color: #007700">();
</span><span style="color: #0000BB">?&gt;</span></code></pre></div>
   </div>

  </div>
 </div>


 <div class="refsect1 seealso" id="refsect1-yaf-dispatcher.seterrorhandler-seealso">
  <h3 class="title">参见</h3>
  <p class="para">
   <ul class="simplelist">
    <li><span class="methodname"><a href="yaf-dispatcher.throwexception.php" class="methodname" rel="rdfs-seeAlso">Yaf_Dispatcher::throwException()</a> - 开启/关闭异常抛出</span></li>
    <li><span class="methodname"><a href="yaf-application.getlasterrorno.php" class="methodname" rel="rdfs-seeAlso">Yaf_Application::getLastErrorNo()</a> - 获取最后产生的错误的错误代码</span></li>
    <li><span class="methodname"><a href="yaf-application.getlasterrormsg.php" class="methodname" rel="rdfs-seeAlso">Yaf_Application::getLastErrorMsg()</a> - 获取最近产生的错误的错误信息</span></li>
   </ul>
  </p>
 </div>


</div><?php manual_footer($setup); ?>