擅长:python、mysql、java
<p>捕捉404很简单,如下一行代码</p>
<p><code>app.error_handlers[404] = handle_404</code></p>
<p>其中<strong>handle_404</strong>是处理异常的def方法+您不再需要“catch all”正则表达式。在</p>
<p>在“<strong>WSGI应用程序中的异常”</strong>“部分中查看本指南:<a href="https://webapp-improved.appspot.com/guide/exceptions.html" rel="nofollow">https://webapp-improved.appspot.com/guide/exceptions.html</a></p>
<p>另请看一下<code>app.yaml</code>的<strong><em>错误处理程序</em></strong>参数。<a href="https://developers.google.com/appengine/docs/python/config/appconfig#Python_app_yaml_Custom_error_responses" rel="nofollow">See more here</a>。在</p>