判断设备

function browserRedirect() {

    var sUserAgent = navigator.userAgent.toLowerCase();

    var bIsIpad = sUserAgent.match(/ipad/i) == "ipad";

    var bIsIphoneOs = sUserAgent.match(/iphone os/i) == "iphone os";

    var bIsMidp = sUserAgent.match(/midp/i) == "midp";

    var bIsUc7 = sUserAgent.match(/rv:1.2.3.4/i) == "rv:1.2.3.4";

    var bIsUc = sUserAgent.match(/ucweb/i) == "ucweb";

    var bIsAndroid = sUserAgent.match(/android/i) == "android";

    var bIsCE = sUserAgent.match(/windows ce/i) == "windows ce";

    var bIsWM = sUserAgent.match(/windows mobile/i) == "windows mobile";

    if (!(bIsIpad || bIsIphoneOs || bIsMidp || bIsUc7 || bIsUc || bIsAndroid || bIsCE || bIsWM)) {

        $("#App").hide()

        window.location='电脑端地址';

        return;

    }

  }

  browserRedirect();