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制器与请求对象的功能与用途—2018年5月23日08:26:51
清雨的博客
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控制器:相当于电脑里的cpu进行数据的交互处理。接收数据,并返回数据。

请求对象:想象成url地址,url地址是一个url请求,即是一个请求对象。将客户端请求的资源通过url的方式发送到服务器,服务器再响应这个请求的资源返回给客户端。


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