在以前,总是以为使用用户代理字符串检测浏览器是那种类型就行了,这样确实大错特错啊,下面就来说说如何通过 js 判断出当前浏览者使用的的设备类型呢
Javascript 是一种由 Netscape 的 LiveScript 发展而来的原型化继承的基于对象的动态类型的区分大小写的客户端脚本语言,主要目的是为了解决服务器端语言,比如 Perl,遗留的速度问题,为客户提供更流畅的浏览效果。
检测访问网页的浏览器呈现引擎、平台、Windows 操作系统、移动设备和游戏系统
- /**
- * Author: laixiangran.
- * Created by laixiangran on 2015/12/02.
- * 检测访问网页的浏览器呈现引擎、平台、Windows操作系统、移动设备和游戏系统
- * ********************************************************************
- * 各版本浏览器在windows10.0下的用户代理字符串:
- * Google Chrome 45.0.2454.85 —— "Mozilla/5.0 (Windows NT 10.0; WOW64) ApplewebKit/537.36 (Khtml, like Gecko) Chrome/45.0.2454.85 Safari/537.36"
- * Opera 31.0.1889.174 —— "Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/44.0.2403.155 Safari/537.36 OPR/31.0.1889.174"
- * Microsoft Edge —— "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/42.0.2311.135 Safari/537.36 Edge/12.10240"
- * Firefox 40.0.3 —— "Mozilla/5.0 (Windows NT 10.0; WOW64; rv:40.0) Gecko/20100101 Firefox/40.0"
- * Internet Explorer 11+ —— "Mozilla/5.0 (Windows NT 10.0; WOW64; Trident/7.0; .NET4.0C; .NET4.0E; .NET CLR 2.0.50727; .NET CLR 3.0.30729; .NET CLR 3.5.30729; rv:11.0) like Gecko"
- * Internet Explorer 10- —— "Mozilla/5.0 (compatible; MSIE x.0; Windows NT 10.0; WOW64; Trident/8.0; .NET4.0C; .NET4.0E; .NET CLR 2.0.50727; .NET CLR 3.0.30729; .NET CLR 3.5.30729)"
- */
- (function() {
- window.iClient = {};
- //呈现引擎信息
- var engine = {
- //呈现引擎
- ie: 0,
- gecko: 0,
- webkit: 0,
- khtml: 0,
- opera: 0,
- //具体版本号
- ver: null
- };
- var browser = {
- //浏览器
- ie: 0,
- edge: 0,
- firefox: 0,
- safari: 0,
- konq: 0,
- opera: 0,
- chrome: 0,
- //具体版本号
- ver: null
- };
- //平台、设备和操作系统
- var system = {
- win: false,
- mac: false,
- unix: false,
- //移动设备
- iphone: false,
- ipod: false,
- ipad: false,
- ios: false,
- android: false,
- nokiaN: false,
- winMobile: false,
- //游戏系统
- wii: false,
- //任天堂
- ps: false //Playstation3
- };
- //获取浏览器的用户代理字符串
- var ua = window.navigator.userAgent;
- //检测呈现引擎和浏览器
- //检测Presto内核的Opera浏览器
- if (window.opera) {
- engine.ver = browser.ver = window.opera.version();
- engine.opera = browser.opera = parseFloat(engine.ver);
- }
- //检测WebKit 用代理字符串中的"AppleWebKit"进行检测
- else if (/AppleWebKit\/(\S+)/.test(ua)) {
- engine.ver = RegExp["$1"];
- engine.webkit = parseFloat(engine.ver);
- //确定Microsoft Edge
- if (/Edge\/(\S+)/.test(ua)) {
- browser.ver = RegExp["$1"];
- browser.edge = parseFloat(browser.ver);
- }
- //确定WebKit内核Opera
- else if (/OPR\/(\S+)/.test(ua)) {
- browser.ver = RegExp["$1"];
- browser.opera = parseFloat(browser.ver);
- }
- //确定Chrome
- else if (/Chrome\/(\S+)/.test(ua)) {
- browser.ver = RegExp["$1"];
- browser.chrome = parseFloat(browser.ver);
- }
- //确定Safari
- else if (/Version\/(\S+)/.test(ua)) {
- browser.ver = RegExp["$1"];
- browser.safari = parseFloat(browser.ver);
- } else {
- //近似的确定版本号
- var safariVersion = 1;
- if (engine.webkit < 100) {
- safariVersion = 1;
- } else if (engine.webkit < 312) {
- safariVersion = 1.2;
- } else if (engine.webkit < 412) {
- safariVersion = 1.3;
- } else {
- safariVersion = 2;
- }
- browser.ver = browser.safari = safariVersion;
- }
- }
- //检测KHTML 用于Konqueror3.1及更早版本中不包含KHTML的版本,故而就要使用Konqueror的版本来代替
- else if (/KHTML\/(\S+)/.test(ua) || /Konqueror\/(\S+)/.test(ua)) {
- engine.ver = browser.ver = RegExp["$1"];
- engine.khtml = browser.konq = parseFloat(engine.ver);
- s
- }
- //检测Gecko 其版本号在字符串"rv:"的后面
- else if (/rv:([^\)]+)\) Gecko\/\d{8}/.test(ua)) {
- engine.ver = RegExp["$1"];
- engine.gecko = parseFloat(engine.ver);
- //确定Firefox
- if (/Firefox\/(\S+)/.test(ua)) {
- browser.ver = RegExp["$1"];
- browser.firefox = parseFloat(browser.ver);
- }
- }
- //检测IE
- else if (/MSIE ([^;]+)/.test(ua) || /rv:([^\)]+)\) like Gecko/.test(ua)) {
- engine.ver = browser.ver = RegExp["$1"];
- engine.ie = browser.ie = parseFloat(engine.ver);
- }
- //获取平台或者操作系统信息,可能的值:win32、win64、MacPPC、MacIntel、Xll、Linux i686
- var p = window.navigator.platform;
- //检测平台
- system.win = p.indexOf("Win") == 0;
- system.mac = p.indexOf("Mac") == 0;
- system.unix = (p == "Xll'") || (p.indexOf("Linux") == 0);
- //检测Windows操作系统
- if (system.win) {
- if (/Win(?:dows )?([^do]{2})\s?(\d+\.\d+)?/.test(ua)) {
- if (RegExp["$1"] == "NT") {
- switch (RegExp["$2"]) {
- case "5.0":
- system.win = "2000";
- break;
- case "5.1":
- system.win = "XP";
- break;
- case "6.0":
- system.win = "Vista";
- break;
- case "7":
- system.win = "7";
- break;
- case "8":
- system.win = "8";
- break;
- case "8.1":
- system.win = "8.1";
- break;
- case "10.0":
- system.win = "10.0";
- break;
- default:
- system.win = "NT";
- break;
- }
- }
- }
- }
- //移动设备
- system.iphone = ua.indexOf("iPhone") > -1;
- system.ipod = ua.indexOf("iPod") > -1;
- system.ipad = ua.indexOf("iPad") > -1;
- system.nokiaN = ua.indexOf("NokiaN") > -1;
- //window mobile
- if (system.win == "CE") {
- system.winMobile = system.win;
- } else if (system.win == "Ph") {
- if (/Windows Phone OS (\d+.\d+)/.test(ua)) {
- system.win = "Phone";
- system.winMobile = parseFloat(RegExp["$1"]);
- }
- }
- //检测iOS版本
- if (system.mac && ua.indexOf("Mobile") > -1) {
- if (/CPU (?:iPhone )?OS (\d+.\d+)/.test(ua)) {
- system.ios = parseFloat(RegExp["$1"].replace("_", "."));
- } else {
- system.ios = 2; //不能真正检测出来,所以只能猜测
- }
- }
- //检测安卓版本
- if (/Android (\d+.\d+)/.test(ua)) {
- system.android = parseFloat(RegExp["$1"]);
- }
- //检测游戏系统
- system.wii = ua.indexOf("wii") > -1;
- system.ps = /playstation/i.test(ua);
- window.iClient.engine = engine;
- window.iClient.browser = browser;
- window.iClient.system = system;
- })();
再给大家一个简单点的实例:判断 windows、linux、android
- <html>
- <head>
- <title>
- 判断操作系统
- </title>
- <script type="text/javascript">
- function detectOS() {
- var sUserAgent = navigator.userAgent;
- var isWin = (navigator.platform == "Win32") || (navigator.platform == "Windows");
- var isMac = (navigator.platform == "Mac68K") || (navigator.platform == "MacPPC") || (navigator.platform == "Macintosh") || (navigator.platform == "MacIntel");
- if (isMac) return "Mac";
- var isUnix = (navigator.platform == "X11") && !isWin && !isMac;
- if (isUnix) return "Unix";
- var isLinux = (String(navigator.platform).indexOf("Linux") > -1);
- var bIsAndroid = sUserAgent.toLowerCase().match(/android/i) == "android";
- if (isLinux) {
- if (bIsAndroid) return "Android";
- else return "Linux";
- }
- if (isWin) {
- var isWin2K = sUserAgent.indexOf("Windows NT 5.0") > -1 || sUserAgent.indexOf("Windows 2000") > -1;
- if (isWin2K) return "Win2000";
- var isWinXP = sUserAgent.indexOf("Windows NT 5.1") > -1 || sUserAgent.indexOf("Windows XP") > -1;
- if (isWinXP) return "WinXP";
- var isWin2003 = sUserAgent.indexOf("Windows NT 5.2") > -1 || sUserAgent.indexOf("Windows 2003") > -1;
- if (isWin2003) return "Win2003";
- var isWinVista = sUserAgent.indexOf("Windows NT 6.0") > -1 || sUserAgent.indexOf("Windows Vista") > -1;
- if (isWinVista) return "WinVista";
- var isWin7 = sUserAgent.indexOf("Windows NT 6.1") > -1 || sUserAgent.indexOf("Windows 7") > -1;
- if (isWin7) return "Win7";
- }
- return "other";
- }
- document.writeln("您的操作系统是:" + detectOS());
- alert(detectOS());
- </script>
- </head>
- <body>
- </body>
- </html>
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