js判断客户端是移动端还是PC端

function IsPC() {

var userAgentInfo = navigator.userAgent;

var Agents = ["Android", "iPhone",

"SymbianOS", "Windows Phone",

"iPad", "iPod"];

var flag = true;

for (var i = 0; i < Agents.length; i++) {

if (userAgentInfo.indexOf(Agents[i]) !=-1) {

flag = false;

break;

}

}

return flag;

}

if (/(iPhone|iPad|iPod|iOS)/i.test(navigator.userAgent)) {
//alert(navigator.userAgent);    ipone移动端
window.location.href ="iPhone.html";
} else if (/(Android)/i.test(navigator.userAgent)) {
//alert(navigator.userAgent);   android移动端
window.location.href ="Android.html";
} else {
//PC端
window.location.href ="pc.html";
};

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.*/), //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 , //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
weixin: u.indexOf('MicroMessenger') > -1, //是否微信
qq: u.match(/\sQQ/i) == " qq" //是否QQ
};
}(),
language:(navigator.browserLanguage || navigator.language).toLowerCase()
}

if(browser.versions.mobile || browser.versions.ios || browser.versions.android ||
browser.versions.iPhone || browser.versions.iPad){
window.location = "http://m.zhaizhainv.com";
}

var os = function() {
var ua = navigator.userAgent,
isWindowsPhone = /(?:Windows Phone)/.test(ua),
isSymbian = /(?:SymbianOS)/.test(ua) || isWindowsPhone,
isAndroid = /(?:Android)/.test(ua),
isFireFox = /(?:Firefox)/.test(ua),
isChrome = /(?:Chrome|CriOS)/.test(ua),
isTablet = /(?:iPad|PlayBook)/.test(ua) || (isAndroid && !/(?:Mobile)/.test(ua)) || (isFireFox && /(?:Tablet)/.test(ua)),
isPhone = /(?:iPhone)/.test(ua) && !isTablet,
isPc = !isPhone && !isAndroid && !isSymbian;
return {
isTablet: isTablet,
isPhone: isPhone,
isAndroid : isAndroid,
isPc : isPc
};

<script language="javascript">
//平台、设备和操作系统
var system ={
win : false,
mac : false,
xll : 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);
//跳转语句，如果是手机访问就自动跳转到caibaojian.com页面
if(system.win||system.mac||system.xll){
}else{
window.location.href="http://caibaojian.com";
}
</script>

<script language="javascript">
function is_mobile() {
var regex_match = /(nokia|iphone|android|motorola|^mot-|softbank|foma|docomo|kddi|up.browser|up.link|htc|dopod|blazer|netfront|helio|hosin|huawei|novarra|CoolPad|webos|techfaith|palmsource|blackberry|alcatel|amoi|ktouch|nexian|samsung|^sam-|s[cg]h|^lge|ericsson|philips|sagem|wellcom|bunjalloo|maui|symbian|smartphone|midp|wap|phone|windows ce|iemobile|^spice|^bird|^zte-|longcos|pantech|gionee|^sie-|portalmmm|jigs browser|hiptop|^benq|haier|^lct|operas*mobi|opera*mini|320x320|240x320|176x220)/i;
var u = navigator.userAgent;
if (null == u) {
return true;
}
var result = regex_match.exec(u);

if (null == result) {
return false
} else {
return true
}
}
if (is_mobile()) {
document.location.href= 'http://caibaojian.com';  //修改http://caibaojian.com为你所需跳转目标页地址
}
</script>

<!---识别手机或电脑的js开始--->
<script language="javascript">
(function(){
var res = GetRequest();
var par = res['index'];
if(par!='gfan'){
var ua=navigator.userAgent.toLowerCase();
var contains=function (a, b){
if(a.indexOf(b)!=-1){return true;}
};
//将下面的http://caibaojian.com改成你的wap手机版页面地址 如我的 http://caibaojian.com var toMobileVertion = function(){
window.location.href = 'http://caibaojian.com/'
}

if(contains(ua,"ipad")||(contains(ua,"rv:1.2.3.4"))||(contains(ua,"0.0.0.0"))||(contains(ua,"8.0.552.237"))){return false}
if((contains(ua,"android") && contains(ua,"mobile"))||(contains(ua,"android") && contains(ua,"mozilla")) ||(contains(ua,"android") && contains(ua,"opera"))
||contains(ua,"ucweb7")||contains(ua,"iphone")){toMobileVertion();}
}
})();
function GetRequest() {
var url = location.search; //获取url中"?"符后的字串
var theRequest = new Object();
if (url.indexOf("?") != -1) {
var str = url.substr(1);
strs = str.split("&");
for(var i = 0; i < strs.length; i ++) {
theRequest[strs[i].split("=")[0]]=unescape(strs[i].split("=")[1]);
}
}
return theRequest;
}
</script>
<!---识别手机或电脑的js结束--->

function uaredirect(f) {
try {
if (document.getElementById("bdmark") != null) {
return
}
var b = false;
if (arguments[1]) {
var e = window.location.host;
var a = window.location.href;
if (isSubdomain(arguments[1], e) == 1) {
f = f + "/#m/" + a;
b = true
} else {
if (isSubdomain(arguments[1], e) == 2) {
f = f + "/#m/" + a;
b = true
} else {
f = a;
b = false
}
}
} else {
b = true
}
if (b) {
var c = window.location.hash;
if (!c.match("fromapp")) {
if ((navigator.userAgent.match(/(iPhone|iPod|Android|ios|SymbianOS)/i))) {
location.replace(f)
}
}
}
} catch(d) {}
}
function isSubdomain(c, d) {
this.getdomain = function(f) {
var e = f.indexOf("://");
if (e > 0) {
var h = f.substr(e + 3)
} else {
var h = f
}
var g = /^www\./;
if (g.test(h)) {
h = h.substr(4)
}
return h
};
if (c == d) {
return 1
} else {
var c = this.getdomain(c);
var b = this.getdomain(d);
if (c == b) {
return 1
} else {
c = c.replace(".", "\\.");
var a = new RegExp("\\." + c + "$");
if (b.match(a)) {
return 2
} else {
return 0
}
}
}
};