jQuery保存cookie

痛定思痛。 2022-09-29 15:54 197阅读 0赞

/**
     * 登录
     */
    var login = function(){
     
     var validate1 = false;
     var validate2 = false;
     var $userName=$('input[name="userName"]'),
      $password=$('input[name="password"]'),
      $jurisdiction,
      $rememberMe;
     
     function init(){
      if($userName.val()!="")
       validate1 = true;
      if($password.val()!="")
          validate2 = true;
          
         $userName.blur(function(){
          if($(this).val()=='')
           validate1 = false;
          else
           validate1 = true;
         })
         $password.blur(function(){
          if($(this).val()=='')
           validate2 = false;
          else
           validate2 = true;
         })
          
     
      var username = getCookieValue("user");  
            var password = getCookieValue("password");
      var jurisdiction = getCookieValue("jurisdiction");
                                   
            if (username !='' && password !='' ) {  
                  $userName.val(username);  
                  $password.val(password);  
            $jurisdiction.val(jurisdiction)
                  $rememberMe.attr("checked", true);  
            }else  
                  $rememberMe.attr("checked", false);  
     }
     
     /* 登录 */
     function logining() {
      
      if (!validate1 || !validate2 ) {
    
       return false;
      }
      $jurisdiction = $('#jurisdiction input');
      
      // 记住账号
      $rememberMe = $('input[name="rememberMe"]');
      if($rememberMe.attr("checked") == 'checked')
      {
       setCookie('user', $userName.val(), 60 * 60 * 60, '/');
       //set 获取用户名和密码 传给cookie  
                setCookie('password', $password.val(), 60 * 60 * 60, '/'); 
                setCookie('jurisdiction', $jurisdiction.val(), 60 * 60 * 60, '/'); 
      }
      
    //  alert($userName.val()+','+$password.val()+','+$jurisdiction.val()+'.');
      $.ajax({
       type : 'post',
       url : "loginServlet.do?command=login",
       data : {
        userName:$userName.val(),
        password:$password.val(),
        jurisdiction:$jurisdiction.val()
    //    rememberMe:$rememberMe.val()
       },
       success : function(result) {
    //    alert('result='+result)
        if(result != 0)
        { 
         swal({
           title: "登录成功!",
           text: "页面跳转中...",
           timer: 1000,
           showConfirmButton: false,
           type:"success"
         });
         setTimeout(function(){ redirect(result) },"2000");
        }
        else
        {
         swal({
           title: "登录失败!",
           text: "请检查您的账号信息.",
           timer: 1000,
           showConfirmButton: false,
           type:"info"
         });
        }
       },
       error : function() {
        swal({
          title: "服务器异常!",
          text: "请稍后登录.",
          timer: 1000,
          showConfirmButton: false,
          type:"error"
        });
       }
      });
     }
     
     // 登陆成功，重定向
     function redirect(result){
      if(result == 1)
       location.href="student.html";
      if(result == 2)
       location.href="teacher.html";
      if(result == 3)
       location.href="admin.html";
     }
     
     
     //hours为空字符串时,cookie的生存期至浏览器会话结束。
     //hours为数字0时,建立的是一个失效的cookie,
     //这个cookie会覆盖已经建立过的同名、同path的cookie（如果这个cookie存在）。   
     function setCookie(name,value,hours,path){   
         var name = escape(name);   
         var value = escape(value);   
         var expires = new Date();   
         expires.setTime(expires.getTime() + hours*3600000);   
         path = path == "" ? "" : ";path=" + path;   
         _expires = (typeof hours) == "string" ? "" : ";expires=" + expires.toUTCString();   
         document.cookie = name + "=" + value + _expires + path;   
     }   
     //cookie名获取值
     function getCookieValue(name){   
         var name = escape(name);   
         //读cookie属性，这将返回文档的所有cookie   
         var allcookies = document.cookie;          
         //查找名为name的cookie的开始位置   
         name += "=";   
         var pos = allcookies.indexOf(name);       
         //如果找到了具有该名字的cookie，那么提取并使用它的值   
         if (pos != -1){    //如果pos值为-1则说明搜索"version="失败   
             var start = pos + name.length;   //cookie值开始的位置   
             var end = allcookies.indexOf(";",start); //从cookie值开始的位置起搜索第一个";"的位置,即cookie值结尾的位置   
             if (end == -1) end = allcookies.length; //如果end值为-1说明cookie列表里只有一个cookie   
             var value = allcookies.substring(start,end);  //提取cookie的值   
             return unescape(value);       //对它解码         
             }      
         else return "";    //搜索失败，返回空字符串   
     }  
     
     return {
      init:function(){
       init();
      },
      logining:function(){
       logining();
      }
     }
    }()
    
    login.init(); // js文件在body下面引入就可以了