Java教程

javaweb登录的验证

本文主要是介绍javaweb登录的验证，对大家解决编程问题具有一定的参考价值，需要的程序猿们随着小编来一起学习吧！ 
<%--
  Created by IntelliJ IDEA.
  User: admin
  Date: 2022/6/5
  Time: 14:56
  To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>Title</title>
</head>
<body>
    <form action="/check.jsp" method="post">
        用户名：<input type="text" name="username"><br>
        密码：<input type="password" name="pwd"><br>
        <input type="submit" value="登录"/>
    </form>

</body>
</html>
<%--
  Created by IntelliJ IDEA.
  User: admin
  Date: 2022/6/5
  Time: 14:59
  To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>Title</title>
</head>
<body>
    <%
        String username = request.getParameter("username");
        String pwd = request.getParameter("pwd");
        if (username.equals("admin") && pwd.equals("123123")){
            //登录成功
            request.setAttribute("name",username);
            request.getRequestDispatcher("welcome.jsp").forward(request,response);
        }else{
            //失败 重新回到
            response.sendRedirect("login.jsp");
        }
    %>
</body>
</html>

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