//完整的用户代理字符串检测脚本
var client = function () {
//呈现引擎
var engine = {
ie: 0,
gecko: 0,
webkit: 0,
khtml: 0,
opera: 0,
//完整的版本号
ver: null
};
//浏览器
var browser = {
//主要浏览器
ie: 0,
firefox: 0,
safari: 0,
konq: 0,
opera: 0,
chrome: 0,
//具体的版本号
ver: null
};
//平台,设备的操作系统
var system = {
win: false,
mac: false,
xll: false,
//移动设备
iphone: false,
ipod: false,
ipad: false,
ios: false,
android: false,
nokiaN: false,
winMobile: false,
//游戏系统
will: false,
ps: false
};
//检测呈现引擎和浏览器
var ua = navigator.userAgent;
if (window.opera) {
engine.ver = browser.ver = window.opera.version();
engine.opera = browser.opera = parseFloat(engine.ver);
} else if (/AppleWebKit/(S+)/.test(ua)) {
engine.ver = RegExp.$1;
engine.webkit = parseFloat(engine.ver);
//确定是chrome还是Safari
if (/Chrome/(S+)/.test(ua)) {
browser.ver = RegExp.$1;
browser.chrome = parseFloat(browser.ver);
} else {
//近似地确定版本号
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.safari = browser.ver = safariVersion;
}
} else if (/KHTML/(S+)/.test(ua) || /Konqueror/([^;]+)/.test(ua)) {
engine.ver = browser.ver = RegExp.$1;
engine.khtml = browser.konq = parseFloat(engine.ver);
} else if (/rv:([^)]+)) Gecko/d{8}/.test(ua)) {
engine.ver = RegExp.$1;
engine.gecko = parseFloat(engine.ver);
//确定是不是firefox
if (/Firefox/(S+)/.test(ua)) {
browser.ver = RegExp.$1;
browser.firefox = parseFloat(browser.ver);
}
} else if (/MSIE ([^;]+)/.test(ua)) {
engine.ver = browser.ver = RegExp.$1;
engine.ie = browser.ie = parseFloat(engine.ver);
}
//检测浏览器
browser.ie = engine.ie;
browser.opera = engine.opera;
//检测平台
var p = navigator.platform;
system.win = p.indexOf("Win") == 0;
system.mac = p.indexOf("Mac") == 0;
system.xll = (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 "6.1":
system.win = "7";
break;
default :
system.win = "NT";
break;
}
} else if (RegExp.$1 == "9x") {
system.win = "ME";
} else {
system.win = RegExp.$1;
}
}
}
//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;
//windos 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Android版本
if (/Android (d+. d+)/.test(ua)) {
system.android = parseFloat(RegExp.$1);
}
//游戏系统
system.will = ua.indexOf("Wii") > -1;
system.ps = /playstation/i.test(ua);
//返回这些对象
return
{
engine:engine,
browser
:
browser,
system
:
system
}
;
}();