<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>用户登录</title>
</head>
<body>
<form name="form1" method="post" action="deal.jsp">
<div align="center">
用户名：<input type="text" name="name" value=""><br>
</div>
<div align="center">
密    码：<input type="text" name="password" value=""><br>
</div>
<div align="center">
<input type="submit" name="Submit" value="登录">
</div>
</form>
</body>
</html>
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>用户登录处理</title>
</head>
<body>
<%
String name=request.getParameter("name");
String password=request.getParameter("password");
if(name.equals("张三")&&password.equals("123456")){
out.print("<script language='javascript'>alert('登录成功!');window.location.href='index.jsp';</script>");
}
else{
response.sendRedirect("error.jsp");
}
%>
</body>
</html>
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<%
response.setHeader("refresh","30;URL=index.jsp");
//30秒后，自动返回用户登录页面
%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>错误提示页面</title>
</head>
<body>
用户名或密码出错，请重新输入
</body>
</html>
本文地址：https://blog.csdn.net/qq_46048366/article/details/107488478
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