<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
</head>
<body>
<%
session.invalidate();
%>
<form action="NewFile1.jsp">
用户名：<input type="text" name="name">
密码：<input type="password" name="password">
<input type="submit" value="登录">
</form>
</body>
</html>
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
</head>
<body>
<%
String name=new String (request.getParameter("name").getBytes("ISO-8859-1"),"UTF-8");
String pw=request.getParameter("password");
if(name!=null&&pw!=null)
{
if(name.equals("张三")&&pw.equals("123"))
{
out.print("登录成功");
session.setAttribute("name", name);
response.setHeader("refresh", "3;URL=NewFile2.jsp");
}
else
{
out.print("用户名或密码错误,正在跳转登录页面");
response.setHeader("refresh", "5;URL=NewFile.jsp");
}
}
else
{
out.print("请使用正确的方式登录");
}
%>
</body>
</html>
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
</head>
<body>
<%
Object obj=session.getAttribute("name");
if(obj!=null)
{
out.print("欢迎登录，"+obj.toString());
}
else
{
out.print("请以正确的方式登录");
response.setHeader("refresh", "3;URL=NewFile.jsp");
}
%>
<br>
<a href="NewFile.jsp">退出登录</a>
</body>
</html>
时间： 2024-10-13 19:53:22