Request应用
Request应用
HttpServletRequest代表客户端的请求,用户通过Http协议访问服务器,Http请求中的所有信息会被封装到HttpServletRequest,通过这个HttpServletRequest的方法,获取客户端的所有信息。
1. 获取前端传递的参数
主要用到的方法是
req.getParameter();
req.getParameterValues();
用户登录案例:
jsp页面
<%@ page contentType="text/html; charset-UTF-8" language="java" %>
登录
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