java简单代码判断浏览器代码

import java.util.regex.Matcher;

import java.util.regex.Pattern;

public class BrowseTool {

private final static String IE9="MSIE 9.0";

private final static String IE8="MSIE 8.0";

private final static String IE7="MSIE 7.0";

private final static String IE6="MSIE 6.0";

private final static String MAXTHON="Maxthon";

private final static String QQ="QQBrowser";

private final static String GREEN="GreenBrowser";

private final static String SE360="360SE";

private final static String FIREFOX="Firefox";

private final static String OPERA="Opera";

private final static String CHROME="Chrome";

private final static String SAFARI="Safari";

private final static String OTHER="其它";

public static String checkBrowse(String userAgent){

if(regex(OPERA, userAgent))return OPERA;

if(regex(CHROME, userAgent))return CHROME;

if(regex(FIREFOX, userAgent))return FIREFOX;

if(regex(SAFARI, userAgent))return SAFARI;

if(regex(SE360, userAgent))return SE360;

if(regex(GREEN,userAgent))return GREEN;

if(regex(QQ,userAgent))return QQ;

if(regex(MAXTHON, userAgent))return MAXTHON;

if(regex(IE9,userAgent))return IE9;

if(regex(IE8,userAgent))return IE8;

if(regex(IE7,userAgent))return IE7;

if(regex(IE6,userAgent))return IE6;

return OTHER;

}

public static boolean regex(String regex,String str){

Pattern p =Pattern.compile(regex,Pattern.MULTILINE);

Matcher m=p.matcher(str);

return m.find();

}

public static void main(String[] args) {

System.out.println( BrowseTool.checkBrowse("Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/38.0.2125.104 Safari/537.36"));

}

}