判断是移动端还是pc端

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";
            //console.log("您的浏览设备为："); if phone true,if pc false;
            if (bIsIpad || bIsIphoneOs || bIsMidp || bIsUc7 || bIsUc || bIsAndroid || bIsCE || bIsWM) {
                //console.log("phone");
                return true;
            } else {
                //console.log("pc");
                return false;
            }
        }

        alert(browserRedirect());