打开一个PC端网址，判断如果是手机打开则跳转到移动端网址

<script type="text/javascript">
            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";

                //获取浏览器域名
                var url = window.location.href
                var domain = url.split('/');
                domain = domain[2].split('.')
                if (domain[1]) {
                    domain = domain[1];
                } else {
                    domain = ''; //如果url不正确就取空
                }

                if (bIsIpad || bIsIphoneOs || bIsMidp || bIsUc7 || bIsUc || bIsAndroid || bIsCE || bIsWM) {
                    window.location.href = 'https://wap.' + domain + '.com';
                }
            }
            browserRedirect();
        </script>