• COOKIE实现用户自动登录


    <?php 
        header('content-type:text/html;charset=utf-8');
        if(!empty($_POST)) {
            $name = $_POST['name'];
            $psw  = $_POST['psw'];
            if($name=='jack'&&$psw=='rose') {
                echo 1;
                exit;
            } else {
                echo 0;
                exit;
            }
        }
     ?>
    
     <html>
     <head>
         <title>testCookie</title>
     </head>
     <body> 
        <form action="/testtest.php">
            name:<input class="name" name="name" type="text" /><br>
            psw :<input class="psw" name="psw" type="password" /><br>
            sub:<button class="btn" onclick="return sub()">登录</button>
        </form>
        
     </body>
     <script src="https://ss1.bdstatic.com/5eN1bjq8AAUYm2zgoY3K/r/www/cache/static/protocol/https/jquery/jquery-1.10.2.min_f2fb5194.js" type="text/javascript"></script>
     <script type="text/javascript">
        window.onload = function(){
            var is_save_login = getCookie('is_save_login');
            if(is_save_login=='yes') {
                var name = getCookie('name_login');
                var psw  = getCookie('psw_login');
                if(name && psw) {
                    $('.name').val(name);
                    $('.psw').val(psw);
                    $('.btn').html('自动登录');
                    $.post('/testCookie.php', {'name':name,'psw':psw}, function(res){
                        if(res=='1') {
                            addCookie('is_save_login', 'yes', 7*24);
                            addCookie('name_login', name, 7*24);
                            addCookie('psw_login', psw, 7*24);
                            alert('自动登陆成功!');
                            window.location.href = 'http://www.mljun.com';
                        } else {
                            alert('自动登陆失败!');
                            $('.psw').val('');
                        }
                    })
                } else {
                    deleteCookie('is_save_login');
                    deleteCookie('name_login');
                    deleteCookie('psw_login');
                }
            }
    
            //删除cookie
            function deleteCookie(name){ 
               var date=new Date(); 
               date.setTime(date.getTime()-10000); 
               document.cookie=name+"=v; expire="+date.toGMTString(); 
            } 
    
            //获取cookie
            function getCookie(name){ 
                  var strCookie=document.cookie; 
                  var arrCookie=strCookie.split("; "); 
                  for(var i=0;i<arrCookie.length;i++){ 
                        var arr=arrCookie[i].split("="); 
                        if(arr[0]==name)return arr[1]; 
                  } 
                  return ""; 
            } 
        }
    
        //提交
        function sub() {
            var name = $('.name').val();
            var psw  = $('.psw').val();
    
            $.post('/testCookie.php', {'name':name,'psw':psw}, function(res){
                if(res==='1') {
                    addCookie('is_save_login', 'yes', 7*24);
                    addCookie('name_login', name, 7*24);
                    addCookie('psw_login', psw, 7*24);
                    alert('登陆成功!');
                    window.location.href = 'http://www.mljun.com';
                } else {
                    alert('登陆失败!');
                    $('.psw').val('');
                }
            })
    
            return false;
        }
    
        //设置cookie
        function addCookie(name,value,expireHours){ 
            var cookieString=name+"="+escape(value); 
            //判断是否设置过期时间 
            if(expireHours>0){ 
                var date=new Date(); 
                date.setTime(date.getTime+expireHours*3600*1000); 
                cookieString=cookieString+"; expire="+date.toGMTString(); 
            } 
            document.cookie=cookieString; 
        } 
    
     </script>
     </html>
    

      

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  • 原文地址:https://www.cnblogs.com/mljun/p/5554518.html
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