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使用JavaScript获取客户端操作系统版本和浏览器版本信息 浏览器JavaScriptChromeIEWindows 

程序员文章站 2022-06-07 21:38:23
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    今天做的一个JSP页面中需要展示用户的浏览器版本和操作系统版本信息,这个功能在大部分论坛上都看到过,就是没考虑过怎么实现,于是求助谷老师,原来用javascript就能实现了。参考了EXT2.2的写法,自己稍微修改了一下。

var ua = navigator.userAgent.toLowerCase();

var isStrict = document.compatMode == "CSS1Compat"
isOpera = ua.indexOf("opera") > -1
isChrome = ua.indexOf("chrome") > -1
isSafari = !isChrome && (/webkit|khtml/).test(ua)
isSafari3 = isSafari && ua.indexOf('webkit/5') != -1
isIE = !isOpera && ua.indexOf("msie") > -1
isIE7 = !isOpera && ua.indexOf("msie 7") > -1
isIE8 = !isOpera && ua.indexOf("msie 8") > -1
isGecko = !isSafari && !isChrome && ua.indexOf("gecko") > -1
isGecko3 = isGecko && ua.indexOf("rv:1.9") > -1
isBorderBox = isIE && !isStrict
        
isWin7 = ua.indexOf("nt 6.1") > -1
isVista = ua.indexOf("nt 6.0") > -1
isWin2003 = ua.indexOf("nt 5.2") > -1
isWinXp = ua.indexOf("nt 5.1") > -1
isWin2000 = ua.indexOf("nt 5.0") > -1
isWindows = (ua.indexOf("windows") != -1 || ua.indexOf("win32") != -1)
isMac = (ua.indexOf("macintosh") != -1 || ua.indexOf("mac os x") != -1)
isAir = (ua.indexOf("adobeair") != -1)
isLinux = (ua.indexOf("linux") != -1)

var sys = "";
var broser = "";

if(isIE){
	broser = "IE 6";
}else if(isIE7){
	broser = "IE 7";
}else if(isIE8){
	broser = "IE 8";
}else if(isOpera){
	broser = "Opera";
}else if(isChrome){
	broser = "Chrome";
}else if(isSafari){
	broser = "Safari";
}else if(isSafari3){
	broser = "Safari3";
}else{
	broser = "Unknow";
}

if(isWin7){
	sys = "Windows 7";
}else if(isVista){
	sys = "Vista";
}else if(isWinXp){
	sys = "Windows xp";
}else if(isWin2003){
	sys = "Windows 2003";
}else if(isWin2000){
	sys = "Windows 2000";
}else if(isWindows){
	sys = "Windows";
}else if(isMac){
	sys = "Macintosh";
}else if(isAir){
	sys = "Adobeair";
}else if(isLinux){
	sys = "Linux";
}else{
	sys = "Unknow";
}

alert(sys + ":" + broser);