/**
 * [isMobile 判斷平臺]
 * @param test:	0:iPhone	1:Android
 */
function ismobile(test){
	var u = navigator.userAgent, app = navigator.appVersion;
	if(/AppleWebKit.*Mobile/i.test(navigator.userAgent) || (/MIDP|SymbianOS|NOKIA|SAMSUNG|LG|NEC|TCL|Alcatel|BIRD|DBTEL|Dopod|PHILIPS|HAIER|LENOVO|MOT-|Nokia|SonyEricsson|SIE-|Amoi|ZTE/.test(navigator.userAgent))){
	 if(window.location.href.indexOf("?mobile")<0){
	  try{
	   if(/iPhone|mac|iPod|iPad/i.test(navigator.userAgent)){
	   	return '0';
	   }else{
	   	return '1';
	   }
	  }catch(e){}
	 }
	}else if( u.indexOf('iPad') > -1){
		return '0';
	}else{
		return '1';
	}
};

使用方法：

var pla=ismobile(1);

如果pla返回的是0:iPhone 1:Android

代碼一、

<script type="text/javascript">
var browser = {
  versions: function () {
  var u = navigator.userAgent, app = navigator.appVersion;
  return {//移動終端瀏覽器版本信息
   trident: u.indexOf('Trident') > -1, //IE內(nèi)核
   presto: u.indexOf('Presto') > -1, //opera內(nèi)核
   webKit: u.indexOf('AppleWebKit') > -1, //蘋果、谷歌內(nèi)核
   gecko: u.indexOf('Gecko') > -1 && u.indexOf('KHTML') == -1, //火狐內(nèi)核
   mobile: !!u.match(/AppleWebKit.*Mobile/i) || !!u.match(/MIDP|SymbianOS|NOKIA|SAMSUNG|LG|NEC|TCL|Alcatel|BIRD|DBTEL|Dopod|PHILIPS|HAIER|LENOVO|MOT-|Nokia|SonyEricsson|SIE-|Amoi|ZTE/), //是否為移動終端
   ios: !!u.match(/\(i[^;]+;( U;)? CPU.+Mac OS X/), //ios終端
   android: u.indexOf('Android') > -1 || u.indexOf('Linux') > -1, //android終端或者uc瀏覽器
   iPhone: u.indexOf('iPhone') > -1 || u.indexOf('Mac') > -1, //是否為iPhone或者QQHD瀏覽器
   iPad: u.indexOf('iPad') > -1, //是否iPad
   webApp: u.indexOf('Safari') == -1 //是否web應(yīng)該程序，沒有頭部與底部
  };
  } (),
  language: (navigator.browserLanguage || navigator.language).toLowerCase()
}
if (browser.versions.iPhone || browser.versions.iPad || browser.versions.ios) {
window.location.href = "http://www.dbjr.com.cn";
}
if (browser.versions.android) {
window.location.;
}
</script>

如何判斷是否是 iPad 瀏覽器呢，關(guān)鍵是看它的 User Agent 中是否有 iPad。iPad 使用的是 Safari Mobile 瀏覽器，他的的 User Agent 是：

Mozilla/5.0 (iPad; U; CPU OS 3_2 like Mac OS X; en-us) AppleWebKit/531.21.10 (KHTML, like Gecko) Version/4.0.4 Mobile/7B334b Safari/531.21.10

Javascript代碼
function is_iPad(){
var ua = navigator.userAgent.toLowerCase();
if(ua.match(/iPad/i)=="ipad") {
return true;
} else {
return false;
}
}
因此，判斷ipad,iphone,android的代碼為：

<script type="text/javascript"> 
var bForcepc = fGetQuery("dv") == "pc"; 
function fBrowserRedirect(){ 
 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){ 
 var sUrl = location.href; 
 if(!bForcepc){ 
  window.location.; 
 } 
 } 
 if(bIsIphoneOs || bIsAndroid){ 
 var sUrl = location.href; 
 if(!bForcepc){ 
  window.location.; 
 } 
 } 
 if(bIsMidp||bIsUc7||bIsUc||bIsCE||bIsWM){ 
 var sUrl = location.href; 
 if(!bForcepc){ 
  window.location.; 
 } 
 } 
} 
function fGetQuery(name){//獲取參數(shù)值 
 var sUrl = window.location.search.substr(1); 
 var r = sUrl.match(new RegExp("(^|&)" + name + "=([^&]*)(&|$)")); 
 return (r == null ? null : unescape(r[2])); 
} 
function fShowVerBlock(){ 
 if(bForcepc){ 
 document.getElementById("dv_block").style.display = "block"; 
 } 
 else{ 
 document.getElementById("ad_block").style.display = "block"; 
 } 
} 
fBrowserRedirect(); 
</script>

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