java 通过request.getHeader("user-agent")解析浏览器

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/**
 *
 * @author cc
 * 20120307
 */
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 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 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) {
        String ie9    ="Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; WOW64; Trident/5.0)";
        String ie8    ="Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.2; Trident/4.0; .NET CLR 1.1.4322)";
        String ie7    ="Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.2; .NET CLR 1.1.4322)";
        String ie6    ="Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.2; SV1; .NET CLR 1.1.4322)";
        String aoyou  ="Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.2; SV1; .NET CLR 1.1.4322; Maxthon 2.0)";
        String qq     ="Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.2; SV1; .NET CLR 1.1.4322) QQBrowser/6.8.10793.201";
        String green  ="Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.2; SV1; .NET CLR 1.1.4322; GreenBrowser)";
        String se360  ="Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.2; SV1; .NET CLR 1.1.4322; 360SE)";

        String chrome ="Mozilla/5.0 (Windows; U; Windows NT 5.2; en-US) AppleWebKit/534.11 (KHTML, like Gecko) Chrome/9.0.570.0 Safari/534.11";
        String safari ="Mozilla/5.0 (Windows; U; Windows NT 6.1; zh-CN) AppleWebKit/533.17.8 (KHTML, like Gecko) Version/5.0.1 Safari/533.17.8";
        String fireFox="Mozilla/5.0 (Windows NT 5.2; rv:7.0.1) Gecko/20100101 Firefox/7.0.1";
        String opera  ="Opera/9.80  (Windows NT 5.2; U; zh-cn) Presto/2.9.168 Version/11.51";
        String other  ="(Windows NT 5.2; U; zh-cn) Presto/2.9.168 Version/11.51";
        BrowseTool b=new BrowseTool();
        System.out.println(b.checkBrowse(ie9));
        System.out.println(b.checkBrowse(ie8));
        System.out.println(b.checkBrowse(ie7));
        System.out.println(b.checkBrowse(ie6));
        System.out.println(b.checkBrowse(aoyou));
        System.out.println(b.checkBrowse(qq));
        System.out.println(b.checkBrowse(green));
        System.out.println(b.checkBrowse(se360));
        System.out.println(b.checkBrowse(chrome));
        System.out.println(b.checkBrowse(safari));
        System.out.println(b.checkBrowse(fireFox));
        System.out.println(b.checkBrowse(opera));
        System.out.println(b.checkBrowse(other));
    }

}

 

http://blog.csdn.net/songylwq/article/details/7700168