HttpServletRequest 是什么

HttpServletRequest是一个Java Servlet API中的接口，代表客户端的请求。当用户通过HTTP协议访问服务器时，HTTP请求中的所有信息会被传递到HttpServletRequest对象中。通过HttpServletRequest对象，开发者可以获取客户端的请求信息，如请求的URL、请求方法、请求参数等。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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