有一个用户定义的函数可以解析出user_agent字符串。
browserDetect
<cfscript>
/**
* Detects 130+ browsers.
* v2 by Daniel Harvey, adds Flock/Chrome and Safari fix.
*
* @param UserAgent User agent string to parse. Defaults to cgi.http_user_agent. (Optional)
* @return Returns a string.
* @author John Bartlett (jbartlett@strangejourney.net)
* @version 4, June 28, 2009
*/
function browserDetect() {
// Default User Agent to the CGI browser string
var UserAgent=CGI.HTTP_USER_AGENT;
// Regex to parse out version numbers
var VerNo="/?v?_? ?v?[\(?]?([A-Z0-9]*\.){0,9}[A-Z0-9\-.]*(?=[^A-Z0-9])";
// List of browser names
var BrowserList="";
// Identified browser info
var BrowserName="";
var BrowserVer="";
// Working variables
var Browser="";
var tmp="";
var tmp2="";
var x=0;
// If a value was passed to the function, use it as the User Agent
if (ArrayLen(Arguments) EQ 1) UserAgent=Arguments[1];
// Allow regex to match on EOL and instring
UserAgent=UserAgent & " ";
// Browser List (Allows regex - see BlackBerry for example)
BrowserList="1X|Amaya|Ubuntu APT-HTTP|AmigaVoyager|Android|Arachne|Amiga-AWeb|Arora|Bison|Bluefish|Browsex|Camino|Check&Get|Chimera|Chrome|Contiki|cURL|Democracy|" &
"Dillo|DocZilla|edbrowse|ELinks|Emacs-W3|Epiphany|Galeon|Minefield|Firebird|Phoenix|Flock|IceApe|IceWeasel|IceCat|Gnuzilla|" &
"Google|Google-Sitemaps|HTTPClient|HP Web PrintSmart|IBrowse|iCab|ICE Browser|Kazehakase|KKman|K-Meleon|Konqueror|Links|Lobo|Lynx|Mosaic|SeaMonkey|" &
"muCommander|NetPositive|Navigator|NetSurf|OmniWeb|Acorn Browse|Oregano|Prism|retawq|Shiira Safari|Shiretoko|Sleipnir|Songbird|Strata|Sylera|" &
"ThunderBrowse|W3CLineMode|WebCapture|WebTV|w3m|Wget|Xenu_Link_Sleuth|Oregano|xChaos_Arachne|WDG_Validator|W3C_Validator|" &
"Jigsaw|PLAYSTATION 3|PlayStation Portable|IPD|" &
"AvantGo|DoCoMo|UP.Browser|Vodafone|J-PHONE|PDXGW|ASTEL|EudoraWeb|Minimo|PLink|NetFront|Xiino|";
// Mobile strings
BrowserList=BrowserList & "iPhone|Vodafone|J-PHONE|DDIPocket|EudoraWeb|Minimo|PLink|Plucker|NetFront|PIE|Xiino|" &
"Opera Mini|IEMobile|portalmmm|OpVer|MobileExplorer|Blazer|MobileExplorer|Opera Mobi|BlackBerry\d*[A-Za-z]?|" &
"PPC|PalmOS|Smartphone|Netscape|Opera|Safari|Firefox|MSIE|HP iPAQ|LGE|MOT-[A-Z0-9\-]*|Nokia|";
// No browser version given
BrowserList=BrowserList & "AlphaServer|Charon|Fetch|Hv3|IIgs|Mothra|Netmath|OffByOne|pango-text|Avant Browser|midori|Smart Bro|Swiftfox";
// Identify browser and version
Browser=REMatchNoCase("(#BrowserList#)/?#VerNo#",UserAgent);
if (ArrayLen(Browser) GT 0) {
if (ArrayLen(Browser) GT 1) {
// If multiple browsers detected, delete the common "spoofed" browsers
if (Browser[1] EQ "MSIE 6.0" AND Browser[2] EQ "MSIE 7.0") ArrayDeleteAt(Browser,1);
if (Browser[1] EQ "MSIE 7.0" AND Browser[2] EQ "MSIE 6.0") ArrayDeleteAt(Browser,2);
tmp2=Browser[ArrayLen(Browser)];
for (x=ArrayLen(Browser); x GTE 1; x=x-1) {
tmp=Rematchnocase("[A-Za-z0-9.]*",Browser[x]);
if (ListFindNoCase("Navigator,Netscape,Opera,Safari,Firefox,MSIE,PalmOS,PPC",tmp[1]) GT 0) ArrayDeleteAt(Browser,x);
}
if (ArrayLen(Browser) EQ 0) Browser[1]=tmp2;
}
// Seperate out browser name and version number
tmp=Rematchnocase("[A-Za-z0-9. _\-&]*",Browser[1]);
Browser=tmp[1];
if (ArrayLen(tmp) EQ 2) BrowserVer=tmp[2];
// Handle "Version" in browser string
tmp=REMatchNoCase("Version/?#VerNo#",UserAgent);
if (ArrayLen(tmp) EQ 1) {
tmp=Rematchnocase("[A-Za-z0-9.]*",tmp[1]);
BrowserVer=tmp[2];
}
// Handle multiple BlackBerry browser strings
if (Left(Browser,10) EQ "BlackBerry") Browser="BlackBerry";
// Return result
return Browser & " " & BrowserVer;
}
// Unable to identify browser
return "Unknown";
}
</cfscript>