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JS判斷客戶(hù)端是手機(jī)還是PC的2個(gè)代碼

更新時(shí)間：2014年04月12日 11:24:00 投稿：junjie

Javascript 判斷客戶(hù)端是否為 PC 還是手持設(shè)備，有時(shí)候項(xiàng)目中需要用到，很方便的檢測(cè)，源生的哦，方法一共有兩種

1、第一種：

function IsPC() {
  var userAgentInfo = navigator.userAgent;
  var Agents = ["Android", "iPhone",
        "SymbianOS", "Windows Phone",
        "iPad", "iPod"];
  var flag = true;
  for (var v = 0; v &lt; Agents.length; v++) {
    if (userAgentInfo.indexOf(Agents[v]) &gt; 0) {
      flag = false;
      break;
    }
  }
  return flag;
}

2、第二種：

function browserRedirect() {
  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=B頁(yè)面;
  }
}
browserRedirect();

百度的判斷代碼

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
  }
 }
 }
};

使用方法：
<SCRIPT type=text/javascript>uaredirect("手機(jī)站","WEB站");</SCRIPT>

另外一篇，感覺(jué)不如上面的好，不過(guò)大家可以參考下

var browser_class = navigator.userAgent;
var browser_class_name1 = browser_class.match("Mobile");
var browser_class_name2 = browser_class.match("mobile");
var location_url = window.location.href;
if (browser_class_name1 != null || browser_class_name2 != null) {
 if (location_url.match("wap") == null) {
 window.location.;
 }
} else {
 if (location_url.match("3g") != null || location_url.match("wap") != null) {
 window.location.;
 }
}

這篇文章就介紹到這了，具體的也可以參考下面的文章。

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