jsp重定向登录跳转

最新推荐文章于 2025-12-17 19:02:04 发布

原创最新推荐文章于 2025-12-17 19:02:04 发布 · 105 阅读

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#java #android #开发语言

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1.目录文件
在这里插入图片描述
2.User类

package bean;

public class User {
    private String username;
    private String password;

    public User() {
    }

    public User(String username, String password) {
        this.username = username;
        this.password = password;
    }

    public String getUsername() {
        return username;
    }

    public void setUsername(String username) {
        this.username = username;
    }

    public String getPassword() {
        return password;
    }

    public void setPassword(String password) {
        this.password = password;
    }

    //逻辑处理，验证登录信息
    public boolean checkLogin(){
        return "admin".equals(username) && "123".equals(password);
    }
}

2.登录页面 login.jsp

<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <title>登录页面</title>
</head>
<body>
<h2>用户登录</h2>
<form action="loginProcess.jsp" method="post">
    用户名: <input type="text" name="username" required><br><br>
    密码: <input type="password" name="password" required><br><br>
    <input type="submit" value="登录">
</form>
</body>
</html>

3.业务处理 loginProcess.jsp

<%--请求处理--%>
<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>
<%@ page import="bean.User" %>
<jsp:useBean id="user" class="bean.User" scope="request"/>
<jsp:setProperty name="user" property="*" />
<%
    if (user.checkLogin()) {
        response.sendRedirect("success.jsp");
    } else {
        response.sendRedirect("fault.jsp");
    }
%>

4.登录页面

<!-- success.jsp -->
<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
  <meta charset="UTF-8">
  <title>登录成功</title>
</head>
<body>
<h2>欢迎登录！</h2>
</body>
</html>