message handler

常见例句

Listing 1 shows a message handler that reads the request body while the request is being sent.
清单 1 显示了一个消息处理程序，用于在发送请求时读取请求主体。
The trouble with this approach is that your message handler is called many times to notify you of events that are not relevant for your plug-in.
这种方法的弊端是，消息处理程序将被多次调用来向您通知事件，而这些事件可能与您的插件无关。
The first step that your message handler should take is to examine the event passed in from the platform and return it immediately if it is not relevant.
因此，消息处理程序应当首先检查由平台传入的事件，如果该事件与您的插件无关，那么立即返回此事件。