js 判断iPhone|iPad|iPod|iOS|Android客户端
if (/(iPhone|iPad|iPod|iOS)/i.test(navigator.userAgent)) { //alert(navigator.userAgent); window.location.href ="iPhone.html";} else if (/(Android)/i.test(navigator.userAgent)) { //alert(navigator.userAgent); window.location.href ="Android.html";} else { window.location.href ="pc.html";};
http://www.fufuok.com/JS-iphone-android.html