感謝 http://www.cnblogs.com/babycool/p/3583114.html。
<html>
<head>
<script>
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)) {
//window.location.href = A頁面;
alert("is pc or mac device");
}
if (bIsIpad || bIsIphoneOs) {
//window.location.href = B頁面;
alert("is ios device");
}
if (bIsAndroid) {
//window.location.href = C頁面;
alert("is android device");
}
}
browserRedirect();
</script>
</head>
<body>
</body>
</html>
