$(document).ready(function () {
      //平台、设备和操作系统
      var system = {
          win: false,
          mac: false,
          xll: false
      };
      //检测平台
      var p = navigator.platform;
      system.win = p.indexOf("Win") == 0;
      system.mac = p.indexOf("Mac") == 0;
      system.x11 = (p == "X11") || (p.indexOf("Linux") == 0);
      //跳转语句
      if (system.win || system.mac || system.xll) {//如果是pc端。。。
      } else {
        //window.location.href = "HomeIndex.aspx";//手机端。。。
      }
  });

function isWeiXin(){
    var ua = window.navigator.userAgent.toLowerCase();
    if(ua.match(/MicroMessenger/i) == ‘micromessenger‘){
        return true;
    }else{
        return false;
    }
}