js取得操作系統信息
<HTML>
<HEAD>
<TITLE> New Document </TITLE>
<META NAME="Generator" CONTENT="EditPlus">
<META NAME="Author" CONTENT="">
<META NAME="Keywords" CONTENT="">
<META NAME="Description" CONTENT="">
</HEAD>
<script>
var sUserAgent = navigator.userAgent;
var fAppVersion = parseFloat(navigator.appVersion);
//比較瀏覽器版本大小
function compareVersions(sVersion1,sVersion2){
var aVersion1 = sVersion1.split(".");
var aVersion2 = sVersion2.split(".");
if(aVersion1.length>aVersion2.length){
for(var i=0;i<aVersion1.length;i++)
aVersion2.push("0");
}else if(aVersion1.length<aVersion2.length){
for(var i=0;i<aVersion2.length;i++)
aVersion1.push("0");
}
for(var i=0;i<aVersion1.length;i++){
if(aVersion1[i]<aVersion2[i])
return -1;
else if(aVersion1[i]>aVersion2[i])
return 1;
}
return 0;
}
//檢測是否Opera瀏覽器
var isOpera = sUserAgent.indexOf("Opera")>-1;
var isMinOpera4 = isMinOpera5 = isMinOpera6 = isMinOpera7 = isMinOpera7_5 = false;
if(isOpera){
var fOperaVersion;
if(navigator.appName == "Opera"){
fOperaVersion = fAppVersion;
} else {
var reOperaVersion = new RegExp("Opera (http://www.cnblogs.com/eoiioe/admin/file://d+///d+)");
reOperaVersion.test(sUserAgent);
fOperaVersion = parseFloat(RegExp["$1"]);
}
isMinOpera4 = fOperaVersion >= 4;
isMinOpera5 = fOperaVersion >= 5;
isMinOpera6 = fOperaVersion >= 6;
isMinOpera7 = fOperaVersion >= 7;
isMinOpera7_5 = fOperaVersion >= 7.5;
}
//檢測是否Safari
var isKHTML = sUserAgent.indexOf("KHTML")>-1
|| sUserAgent.indexOf("Konqueror")>-1
|| sUserAgent.indexOf("AppleWebKit")>-1;
var isMinSafari1 = isMinSafari1_2 = false;
var isMinKonq2_2 = isMinKonq3 = isMinKonq3_1 = isMinKonq3_2 = false;
if(isKHTML){
isSafari = sUserAgent.indexOf("AppleWebKit")>-1;
isKonq = sUserAgent.indexOf("Konqueror")>-1;
if(isSafari){
var reAppleWebKit = new RegExp("AppleWebKit\\/(http://www.cnblogs.com/eoiioe/admin/file://d+(/?:\\.\\d*)?)");
reAppleWebKit.test(sUserAgent);
var fAppleWebKitVersion = parseFloat(RegExp["$1"]);
isMinSafari1 = fAppleWebKitVersion >= 85;
isMinSafari1_2 = fAppleWebKitVersion >= 124;
} else if (isKonq) {
var reKonq = new RegExp("Konqueror\\/(http://www.cnblogs.com/eoiioe/admin/file://d+(/?:\\.\\d+(?:\\.\\d)?)?)");
reKonq.test(sUserAgent);
isMinKonq2_2 = compareVersions(RegExp["$1"],"2.2") >= 0;
isMinKonq3 = compareVersions(RegExp["$1"],"3.0") >= 0;
isMinKonq3_1 = compareVersions(RegExp["$1"],"3.1") >= 0;
isMinKonq3_2 = compareVersions(RegExp["$1"],"3.2") >= 0;
}
}
//檢測IE
var isIE = sUserAgent.indexOf("compatible") > -1
&&sUserAgent.indexOf("MSIE") > -1
&&!isOpera;
var isMinIE4 = isMinIE5 = isMinIE5_5 = isMinIE6 = isMinIE7 = false;
if(isIE){
var reIE = new RegExp("MSIE (http://www.cnblogs.com/eoiioe/admin/file://d+///d+);");
reIE.test(sUserAgent);
var fIEVersion = parseFloat(RegExp["$1"]);
isMinIE4 = fIEVersion >=4;
isMinIE5 = fIEVersion >=5;
isMinIE5_5 = fIEVersion >=5.5;
isMinIE6 = fIEVersion >=6;
isMinIE7 = fIEVersion >=7;
}
//檢測Firfox
var isFF = sUserAgent.indexOf("Firefox")>-1&&!isKHTML;
var isMinFF1 = isMinFF2 =isMinFF3 = false;
if(isFF){
var reFF = new RegExp("Firefox\\/(http://www.cnblogs.com/eoiioe/admin/file://d+///d+(?:\\.\\d+\\.\\d+)?)");
reFF.test(sUserAgent);
isMinFF1 = compareVersions(RegExp["$1"],"1.0") >=0;
isMinFF2 = compareVersions(RegExp["$1"],"2.0") >=0;
isMinFF3 = compareVersions(RegExp["$1"],"3.0") >=0;
}
//檢測Mozilla
var isMoz = sUserAgent.indexOf("Gecko")>-1&&!isKHTML;
var isMinMoz1 = isMinMoz1_4 = isMinMoz1_5 = isMinMoz1_8 = false;
if(isMoz){
var reMoz = new RegExp("rv:(http://www.cnblogs.com/eoiioe/admin/file://d+///d+(?:\\.\\d+)?)");
reMoz.test(sUserAgent);
isMinMoz1 = compareVersions(RegExp["$1"],"1.0") >=0;
isMinMoz1_4 = compareVersions(RegExp["$1"],"1.4") >=0;
isMinMoz1_5 = compareVersions(RegExp["$1"],"1.5") >=0;
isMinMoz1_8 = compareVersions(RegExp["$1"],"1.8") >=0;
}
var isNS4 = !isIE&&!isOpera&&!isMoz&&!isKHTML
&&(sUserAgent.indexOf("Mozilla")==0)
&&(navigator.appName == "Netscape")
&&(fAppVersion >= 4.0 && fAppVersion <5.0);
var isMinNS4 = isMinNS4_5 = isMinNS4_7 =isMinNS4_8 = false;
if(isNS4){
isMinNS4 = true;
ifMinNS4_5 = fAppVersion >= 4.5;
ifMinNS4_7 = fAppVersion >= 4.7;
ifMinNS4_8 = fAppVersion >= 4.8;
}
//檢測操作系統
var isWin = (navigator.platform == "Win32") || (navigator.platform == "Windows");
var isMac = (navigator.platform == "Mac68K") || (navigator.platform == "MacPPC")
|| (navigator.platform == "Macintosh");
var isUnix = (navigator.platform == "X11" && !isWin && !isMac);
var isWin95 = isWin98 = isWinNT4 = isWin2K = isWinME = isWinXP = isWin2K3 = isVista = false;
var isMac68K = isMacPPC = false;
var isSunOS = isMinSunOS4 = isMinSunOS5 = isMinSunOS5_5 = false;
//Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.0; SLCC1; .NET CLR 2.0.50727; .NET CLR 3.0.04506)
if(isWin){
isWin95 = sUserAgent.indexOf("Win95") > -1 || sUserAgent.indexOf("Windows 95") >-1;
isWin98 = sUserAgent.indexOf("Win98") > -1 || sUserAgent.indexOf("Windows 98") >-1;
isWinME = sUserAgent.indexOf("Win 9x 4.90") > -1 || sUserAgent.indexOf("Windows ME") >-1;
isWin2K = sUserAgent.indexOf("Windows NT 5.0") > -1 || sUserAgent.indexOf("Windows 2000") >-1;
isWinXP = sUserAgent.indexOf("Windows NT 5.1") > -1 || sUserAgent.indexOf("Windows XP") >-1;
isWin2K3 = sUserAgent.indexOf("Windows NT 5.2") > -1 || sUserAgent.indexOf("Windows 2003") >-1;
//檢測Vista系統可能有bug
isVista = sUserAgent.indexOf("Windows NT 6.0") > -1 || sUserAgent.indexOf("Windows Vista") >-1;
if(!isWin2K3&&!isVista){
isWinNT4 = sUserAgent.indexOf("WinNT") > -1
|| sUserAgent.indexOf("Windows NT") >-1
|| sUserAgent.indexOf("WinNT4.0") >-1
|| (sUserAgent.indexOf("Windows NT 4.0") >-1)
&& (!isWinME&&!isWin2K&&!isWinXP);
}
}
if(isMac){
isMac68K = sUserAgent.indexOf("Mac_68000") > -1 || sUserAgent.indexOf("68K") > -1;
isMacPPC = suserAgent.indexOf("MacPowerPC") > -1 || sUserAgent.indexOf("PPC") > -1;
}
if(isUnix){
isSunOS = sUserAgent.indexOf("SunOS") > -1;
if(isSunOS){
var reSunOS = new RegExp("SunOS (http://www.cnblogs.com/eoiioe/admin/file://d+///d+(?:\\.\\d+)?)");
reSunOS.test(sUserAgent);
isMinSunOS4 = compareVersions(RegExp["$1"],"4.0") >= 0;
isMinSunOS5 = compareVersions(RegExp["$1"],"5.0") >= 0;
isMinSunOS5_5 = compareVersions(RegExp["$1"],"5.5") >= 0;
}
}
document.write("<br/>");
document.write("IE 瀏覽器：" + isIE);
document.write("<br/>");
document.write("Firfor 瀏覽器：" + isFF);
document.write("<br/>");
document.write("Windows 操作系統：" + isWin);
document.write("<br/>");
document.write("<br/>");
document.write("Mozilla 1.5 ↑：" + isMinMoz1_5);
document.write("<br/>");
document.write("Mozilla 1.8 ↑：" + isMinMoz1_8);
document.write("<br/>");
document.write("Firfox 1.0 ↑：" + isMinFF1);
document.write("<br/>");
document.write("Firfox 2.0 ↑：" + isMinFF2);
document.write("<br/>");
document.write("Firfox 3.0 ↑：" + isMinFF3);
document.write("<br/>");
document.write("IE 4.0 ↑：" + isMinIE4);
document.write("<br/>");
document.write("IE 5.0 ↑：" + isMinIE5);
document.write("<br/>");
document.write("IE 5.5 ↑：" + isMinIE5_5);
document.write("<br/>");
document.write("IE 6.0 ↑：" + isMinIE6);
document.write("<br/>");
document.write("IE 7.0 ↑：" + isMinIE7);
document.write("<br/>");
document.write("Windows 95：" + isWin95);
document.write("<br/>");
document.write("Windows 98：" + isWin98);
document.write("<br/>");
document.write("Windows ME：" + isWinME);
document.write("<br/>");
document.write("Windows NT：" + isWinNT4);
document.write("<br/>");
document.write("Windows 2000：" + isWin2K);
document.write("<br/>");
document.write("Windows XP：" + isWinXP);
document.write("<br/>");
document.write("Windows 2003：" + isWin2K3);
document.write("<br/>");
document.write("Windows Vista：" + isVista);
document.write("<br/>");
</script>
<BODY>
</BODY>
</HTML>
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