标签：utf-8 tran ddc 4.0 value getc post for com
<%@ 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>
<form method="post" action="doLogin.jsp">
<p>用户名：<input type="text" name="userName"/></p>
<p>密码：<input type="password" name="pwd"/></p>
<p><input type="submit" name="Submit"/></p>
</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=request.getParameter("userName"); Cookie newCookie=new Cookie("user",name); newCookie.setMaxAge(10);//有效期20秒 response.addCookie(newCookie); response.sendRedirect("welcome.jsp"); %> </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> <% Cookie[] cookies=request.getCookies(); String name=null; if(cookies!=null){ for(int i=0;i<cookies.length;i++){ if(cookies[i].getName().equals("user")){ name=cookies[i].getValue(); } } }else{ response.sendRedirect("Login.jsp"); } if(name==null){ response.sendRedirect("Login.jsp"); } out.print("您好！"+name+"欢迎您"); %> </body> </html>
JSP代码实现简易的登入操作并进行验证账户非活动时间的有效时长
标签：utf-8 tran ddc 4.0 value getc post for com
原文地址：https://www.cnblogs.com/chongsheng456-com/p/8994685.html
