js判断接入设备

<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";
document.writeln("您的浏览设备为：");
if (bIsIpad || bIsIphoneOs || bIsMidp || bIsUc7 || bIsUc || bIsAndroid || bIsCE || bIsWM) {
document.writeln("phone");
} else {
document.writeln("pc");
}
}

browserRedirect();
</script>

<script type="text/javascript">
// borwserRedirect
(function browserRedirect(){
var sUserAgent = navigator.userAgent.toLowerCase();
var bIsIpad = sUserAgent.match(/ipad/i) == 'ipad';
var bIsIphone = 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) == 'web';
var bIsCE = sUserAgent.match(/windows ce/i) == 'windows ce';
var bIsWM = sUserAgent.match(/windows mobile/i) == 'windows mobile';

if(bIsIpad || bIsIphone || bIsMidp || bIsUc7 || bIsUc || bIsCE || bIsWM){
window.location.href = 'http://www.163.com/';
}else{
window.location.href = 'http://www.baidu.com/';
}
})();
</script>