<!--<script type="text/javascript">
      var system = {};
      var p = navigator.platform;
      var u = navigator.userAgent;

       system.win = p.indexOf("Win") == 0;
       system.mac = p.indexOf("Mac") == 0;
       system.x11 = (p == "X11") || (p.indexOf("Linux") == 0);
       if (system.win || system.mac || system.xll) {//如果是PC转
       if (u.indexOf('Windows Phone') > -1) {  //win手机端

       }else {
      window.location.href = "../&&&&=ctxjspmobileallChanneladdChannelPCerror.html";
       }
      }
    </script>-->    

> 此篇文章【检测浏览器代码】，均来自于网络，贫小子仅作分享