cookie校验

   //cookie验证登录
        if($.cookie("the_cookie")){
          
        username = $.cookie("the_cookie").split(":")[5];
        password = $.cookie("the_cookie").split(":")[9];
        //与后台AJAX交互验证登录信息，如果成功转到成功页面，错误重新登录验证
            $.ajax({
              type : "post",
              data : "username=" + username + "&password="+ password,
              url:"UserAction.do?method=userLoginM",
              success:function(data){
              if(data != null && data=="用户名或密码错误!"){
                 $("#usernameTip").html(data).css("color","red");
                 $("#username").val("");
           $("#usernameTip").css("display","");
                 $("#password2").val("");
               
                 return false;
                 
              }else{
                  document.getElementById('index_login_div').style.display = 'none';
                  document.getElementById('index_logout_div').style.display = 'block';
                  nickname = data.split(":")[1];
                  userId = data.split(":")[3];
                  phoneno = data.split(":")[5];
                  score=data.split(":")[7];
                  password=data.split(":")[9];
                  //保存cookie时间一个月
                  if($("#forever").attr("checked")){
              $.cookie("the_cookie", data, cookieOption);
             
                }
             
                  $("#nickname").text(nickname);
                  $("#userlogin").text("欢迎你,"+nickname);
                  $("#score").text(score);
                  $("#welcome").html("<div class=loginPre> <span class=userLogin>中国@@欢迎您："+nickname+"</span> </div>");
                  $("#canDestroy").css("display","");
                  $("#noDestroy").css("display","none");
                  if($.cookie("the_cookie")){
                  $("#s_logout").css("display","none");
                  }
                 
                 <% if(null != request.getSession().getAttribute("nickname")) {
                  %>
                 $("#index_login_div").css("display","none");
                 $("#index_logout_div").css("display","block");
                 <%}%>
                
               
                 }
              }       
           });        
        $("#loginBtn").click();
        }

    });