登录的分离jsp 

<%--
  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="/login" method="post">
        用户名：<input type="text" name="name"><br>
        密码：<input type="password" name="password"><br>
        <input type="submit" value="登录"/>
    </form>

</body>
</html>
package com.song.sevrlet1;

import javax.servlet.ServletConfig;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import java.io.IOException;

public class loginservlet extends HttpServlet {
    public String name1;
    public String password1;
    @Override
    public void init(ServletConfig config) throws ServletException {
         name1 = config.getInitParameter("name");
         password1 = config.getInitParameter("password");
    }


    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {

    }

    @Override
    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        String name = req.getParameter("name");
        String password = req.getParameter("password");
        if (name.equals(name1) && password.equals(password1)){
            HttpSession session = req.getSession();
            session.setAttribute("name",name);
            req.getRequestDispatcher("session.jsp").forward(req,resp);
        }else{
            resp.sendRedirect("login.jsp");
        }
    }
}
<%--
  Created by IntelliJ IDEA.
  User: admin
  Date: 2022/6/5
  Time: 15:35
  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 s =(String) session.getAttribute("name");
    %>
    <%=
    s
    %>
</body>
</html>
posted @ 2022-06-05 16:15  小松2739  阅读(26)  评论(0)    收藏  举报