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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

时间:2018-05-05 15:28:31      阅读:172      评论:0      收藏:0      [点我收藏+]

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

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