Servlet的登录验证

index.jsp:

<%--
  Created by IntelliJ IDEA.
  User: admin
  Date: 2019/10/15
  Time: 11:16
  To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>Servlet登录界面</title>
</head>
<body>
<form action="<%=request.getContextPath()%>/demo"method="post">

    <table align="center">
        <tr><td>
            账号姓名: <input type="text"name="userName"placeholder="请输入账号姓名"><br><br>
            密码: &nbsp;&nbsp;&nbsp; <input type="password"name="password"placeholder="请输入密码"><br><br>
            <input type="submit"value="登录">

        </td></tr>
    </table>
</form>


</body>
</html>

shibai.jsp:

<%--
  Created by IntelliJ IDEA.
  User: admin
  Date: 2019/10/15
  Time: 11:23
  To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>Servlet登录失败页面</title>
    <style>
        h1{
            color: red;
        }
    </style>
</head>
<body>

<h1>登录失败</h1>

</body>
</html>

success.jsp:

<%--
  Created by IntelliJ IDEA.
  User: admin
  Date: 2019/10/15
  Time: 11:22
  To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>Servlet登录成功页面</title>
    <style>
        h1{
            color: green;
        }
    </style>
</head>
<body>

<h1>登录成功</h1>
</body>
</html>

表单验证：

MyServlet:

<%--
  Created by IntelliJ IDEA.
  User: admin
  Date: 2019/10/15
  Time: 11:22
  To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>Servlet登录成功页面</title>
    <style>
        h1{
            color: green;
        }
    </style>
</head>
<body>

<h1>登录成功</h1>
</body>
</html>

pojo中User类：

package pojo;

import javax.servlet.http.HttpSessionBindingEvent;
import javax.servlet.http.HttpSessionBindingListener;

public class User{
    private String userName;
    private String 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;
    }
}

本文作者：AxeBurner

本文链接：https://www.cnblogs.com/bichen-01/p/11676619.html