判断用户访问方式为pc or Phone

<scripttype="text/javascript">
(function () { 
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= 'http://url/mobile.html'; 
} else { 
window.location= 'http://url/pc.html'; 
} 
})() 
</script>