判断WEB网站的访问端是电脑还是手机的方法
如何判断WEB网站的访问端是电脑还是手机？以显示不同的页面！其实可以通过JS脚本来实现：
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<script type="text/javascript">
<!--
//平台、设备和操作系统
var system = {
win: false,
mac: false,
xll: false,
ipad:false
};
//检测平台
var p = navigator.platform;
system.win = p.indexOf("Win") == 0;
system.mac = p.indexOf("Mac") == 0;
system.x11 = (p == "X11") || (p.indexOf("Linux") == 0);
system.ipad = (navigator.userAgent.match(/iPad/i) != null)?true:false;
//跳转语句，如果是手机访问就自动跳转到wap.baidu.com页面
if (system.win || system.mac || system.xll||system.ipad) {
} else {
window.location.href = "http://www.jdpatro.com/3g/";
}
-->
</script>
腾讯网的适配代码：
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<script type="text/javascript">
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(/Android|webOS|iPhone|iPod|BlackBerry/i.test(navigator.userAgent)){
window.location.href="http://shipei.qq.com/index.htm";
}else if(/iPad/i.test(navigator.userAgent)){
}else{
window.location.href="http://shipei.qq.com/simple/s/index/"
}
}catch(e){}
}
}
</script>
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<script type="text/javascript">
var browser = {
versions : function() {
var u = navigator.userAgent, app = navigator.appVersion;
return {//移动终端浏览器版本信息
trident : u.indexOf('Trident') > -1, //IE内核
presto : u.indexOf('Presto') > -1, //opera内核
webKit : u.indexOf('AppleWebKit') > -1, //苹果、谷歌内核
gecko : u.indexOf('Gecko') > -1 && u.indexOf('KHTML') == -1, //火狐内核
mobile : !!u.match(/AppleWebKit.*Mobile.*/)
|| !!u.match(/AppleWebKit/), //是否为移动终端
ios : !!u.match(/\(i[^;]+;( U;)? CPU.+Mac OS X/), //ios终端
android : u.indexOf('Android') > -1 || u.indexOf('Linux') > -1, //android终端或者uc浏览器
iPhone : u.indexOf('iPhone') > -1 || u.indexOf('Mac') > -1, //是否为iPhone或者QQHD浏览器
iPad: u.indexOf('iPad') > -1, //是否iPad
webApp : u.indexOf('Safari') == -1,//是否web应该程序，没有头部与底部
google:u.indexOf('Chrome')>-1
};
}(),
language : (navigator.browserLanguage || navigator.language).toLowerCase()
}
document.writeln("语言版本: "+browser.language);
document.writeln(" 是否为移动终端: "+browser.versions.mobile);
</script>
如何判断是否是 iPad 浏览器呢，关键是看它的 User Agent 中是否有 iPad。iPad 使用的是 Safari Mobile 浏览器，他的的 User Agent 是：
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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
function is_iPad(){
var ua = navigator.userAgent.toLowerCase();
if(ua.match(/iPad/i)=="ipad") {
return true;
} else {
return false;
}
}
$is_iPad = (bool) strpos($_SERVER['HTTP_USER_AGENT'],'iPad');
RewriteCond %{HTTP_USER_AGENT} ^.*iPad.*$
RewriteRule ^(.*)$ http://ipad.fairyfish.net
JS 判断浏览器客户端类型(ipad,iphone,android)：
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<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.href = "http://ipad.mail.163.com/";
}
}
if(bIsIphoneOs || bIsAndroid){
var sUrl =
location.href;
if(!bForcepc){
window.location.href = "http://smart.mail.163.com/";
}
}
if(bIsMidp||bIsUc7||bIsUc||bIsCE||bIsWM){
var sUrl =
location.href;
if(!bForcepc){
window.location.href = "http://m.mail.163.com/";
}
}
}
function
fGetQuery(name){//获取参数值
var sUrl = window.location.search.substr(1);
var r = sUrl.match(new RegExp("(^|&)" + name +
"=([^&]*)(&|$)"));
return (r == null ? null : (r));
}
function
fShowVerBlock(){
if(bForcepc){
document.getElementByIdx_x("dv_block").style.display = "block";
}
else{
document.getElementByIdx_x("ad_block").style.display = "block";
}
}
fBrowserRedirect();
</script>
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