根据手机浏览器跳转

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核心代码方法：mobileType

import javax.servlet.http.HttpServletRequest;

public class HttpRequestDeviceUtils {
/**Wap网关Via头信息中特有的描述信息*/
    private static String mobileGateWayHeaders[]=new String[]{
    "ZXWAP",//中兴提供的wap网关的via信息，例如：Via=ZXWAP GateWayZTE Technologies，
    "chinamobile.com",//中国移动的诺基亚wap网关，例如：Via=WTP/1.1 GDSZ-PB-GW003-WAP07.gd.chinamobile.com (Nokia WAP Gateway 4.1 CD1/ECD13_D/4.1.04)
    "monternet.com",//移动梦网的网关，例如：Via=WTP/1.1 BJBJ-PS-WAP1-GW08.bj1.monternet.com. (Nokia WAP Gateway 4.1 CD1/ECD13_E/4.1.05)
    "infoX",//华为提供的wap网关，例如：Via=HTTP/1.1 GDGZ-PS-GW011-WAP2 (infoX-WISG Huawei Technologies)，或Via=infoX WAP Gateway V300R001 Huawei Technologies
    "XMS 724Solutions HTG",//国外电信运营商的wap网关，不知道是哪一家
    "wap.lizongbo.com",//自己测试时模拟的头信息
    "Bytemobile",//貌似是一个给移动互联网提供解决方案提高网络运行效率的，例如：Via=1.1 Bytemobile OSN WebProxy/5.1
    };
    /**电脑上的IE或Firefox浏览器等的User-Agent关键词*/
    private static String[] pcHeaders=new String[]{
    "Windows 98",
    "Windows ME",
    "Windows 2000",
    "Windows XP",
    "Windows NT",
    "Ubuntu",
    "Macintosh"
    };
    /**手机浏览器的User-Agent里的关键词*/
    private static String[] mobileUserAgents=new String[]{
    "Nokia",//诺基亚，有山寨机也写这个的，总还算是手机，Mozilla/5.0 (Nokia5800 XpressMusic)UC AppleWebkit(like Gecko) Safari/530
   // "SAMSUNG",//三星手机 SAMSUNG-GT-B7722/1.0+SHP/VPP/R5+Dolfin/1.5+Nextreaming+SMM-MMS/1.2.0+profile/MIDP-2.1+configuration/CLDC-1.1
    "MIDP-2",//j2me2.0，Mozilla/5.0 (SymbianOS/9.3; U; Series60/3.2 NokiaE75-1 /110.48.125 Profile/MIDP-2.1 Configuration/CLDC-1.1 ) AppleWebKit/413 (KHTML like Gecko) Safari/413
    "CLDC1.1",//M600/MIDP2.0/CLDC1.1/Screen-240X320
    "SymbianOS",//塞班系统的，
    "MAUI",//MTK山寨机默认ua
    "UNTRUSTED/1.0",//疑似山寨机的ua，基本可以确定还是手机
    "Windows CE",//Windows CE，Mozilla/4.0 (compatible; MSIE 6.0; Windows CE; IEMobile 7.11)
    "iPhone",//iPhone是否也转wap？不管它，先区分出来再说。Mozilla/5.0 (iPhone; U; CPU iPhone OS 4_1 like Mac OS X; zh-cn) AppleWebKit/532.9 (KHTML like Gecko) Mobile/8B117
    "iPad",//iPad的ua，Mozilla/5.0 (iPad; U; CPU OS 3_2 like Mac OS X; zh-cn) AppleWebKit/531.21.10 (KHTML like Gecko) Version/4.0.4 Mobile/7B367 Safari/531.21.10
    "Android",//Android是否也转wap？Mozilla/5.0 (Linux; U; Android 2.1-update1; zh-cn; XT800 Build/TITA_M2_16.22.7) AppleWebKit/530.17 (KHTML like Gecko) Version/4.0 Mobile Safari/530.17
    "BlackBerry",//BlackBerry8310/2.7.0.106-4.5.0.182
    "UCWEB",//ucweb是否只给wap页面？ Nokia5800 XpressMusic/UCWEB7.5.0.66/50/999
    "ucweb",//小写的ucweb貌似是uc的代理服务器Mozilla/6.0 (compatible; MSIE 6.0;) Opera ucweb-squid
    "BREW",//很奇怪的ua，例如：REW-Applet/0x20068888 (BREW/3.1.5.20; DeviceId: 40105; Lang: zhcn) ucweb-squid
    "J2ME",//很奇怪的ua，只有J2ME四个字母
    "YULONG",//宇龙手机，YULONG-CoolpadN68/10.14 IPANEL/2.0 CTC/1.0
    "YuLong",//还是宇龙
    "COOLPAD",//宇龙酷派YL-COOLPADS100/08.10.S100 POLARIS/2.9 CTC/1.0
    "TIANYU",//天语手机TIANYU-KTOUCH/V209/MIDP2.0/CLDC1.1/Screen-240X320
    "TY-",//天语，TY-F6229/701116_6215_V0230 JUPITOR/2.2 CTC/1.0
    "K-Touch",//还是天语K-Touch_N2200_CMCC/TBG110022_1223_V0801 MTK/6223 Release/30.07.2008 Browser/WAP2.0
    "Haier",//海尔手机，Haier-HG-M217_CMCC/3.0 Release/12.1.2007 Browser/WAP2.0
    "DOPOD",//多普达手机
    "Lenovo",// 联想手机，Lenovo-P650WG/S100 LMP/LML Release/2010.02.22 Profile/MIDP2.0 Configuration/CLDC1.1
    "LENOVO",// 联想手机，比如：LENOVO-P780/176A
    "HUAQIN",//华勤手机
    "AIGO-",//爱国者居然也出过手机，AIGO-800C/2.04 TMSS-BROWSER/1.0.0 CTC/1.0
    "CTC/1.0",//含义不明
    "CTC/2.0",//含义不明
    "CMCC",//移动定制手机，K-Touch_N2200_CMCC/TBG110022_1223_V0801 MTK/6223 Release/30.07.2008 Browser/WAP2.0
    "DAXIAN",//大显手机DAXIAN X180 UP.Browser/6.2.3.2(GUI) MMP/2.0
    "MOT-",//摩托罗拉，MOT-MOTOROKRE6/1.0 LinuxOS/2.4.20 Release/8.4.2006 Browser/Opera8.00 Profile/MIDP2.0 Configuration/CLDC1.1 Software/R533_G_11.10.54R
    "SonyEricsson",// 索爱手机，SonyEricssonP990i/R100 Mozilla/4.0 (compatible; MSIE 6.0; Symbian OS; 405) Opera 8.65 [zh-CN]
    "GIONEE",//金立手机
    "HTC",//HTC手机
    "ZTE",//中兴手机，ZTE-A211/P109A2V1.0.0/WAP2.0 Profile
    "HUAWEI",//华为手机，
    "webOS",//palm手机，Mozilla/5.0 (webOS/1.4.5; U; zh-CN) AppleWebKit/532.2 (KHTML like Gecko) Version/1.0 Safari/532.2 Pre/1.0
    "GoBrowser",//3g GoBrowser.User-Agent=Nokia5230/GoBrowser/2.0.290 Safari
    "IEMobile",//Windows CE手机自带浏览器，
    "WAP2.0"//支持wap 2.0的
    };
    /**
    * 根据当前请求的特征，判断该请求是否来自手机终端，主要检测特殊的头信息，以及user-Agent这个header
    * @param request http请求
    * @return 如果命中手机特征规则，则返回对应的特征字符串
    */
    public static boolean isMobileDevice(HttpServletRequest request){
        boolean pcFlag = false;
        boolean mobileFlag = false;
        String via = request.getHeader("Via");
        String userAgent = request.getHeader("user-agent");
        for (int i = 0; via!=null && !via.trim().equals("") && i < mobileGateWayHeaders.length; i++) {
            if(via.contains(mobileGateWayHeaders[i])){
                mobileFlag = true;
                break;
            }
        }
        for (int i = 0;!mobileFlag && userAgent!=null && !userAgent.trim().equals("") && i < mobileUserAgents.length; i++) {
            if(userAgent.contains(mobileUserAgents[i])){
                mobileFlag = true;
                break;
            }
        }
        for (int i = 0; userAgent!=null && !userAgent.trim().equals("") && i < pcHeaders.length; i++) {
            if(userAgent.contains(pcHeaders[i])){
                pcFlag = true;
            }
        }
        if(mobileFlag==true && mobileFlag!=pcFlag){
            return true;
        }
        return false;
    }

    /**
     * 根据当前请求的特征，判断该请求是否来自手机终端，主要检测特殊的头信息，以及user-Agent这个header
     * @param request http请求
     * @return 如果与手机特征规则相同，则返回对应 PC ANDROID IOS字符串类型
     */
     public static String mobileType(HttpServletRequest request){
         String retStr="";
         //String via = request.getHeader("Via");
         String userAgent = request.getHeader("user-agent");
         for (int i = 0; userAgent!=null && !userAgent.trim().equals("") && i < mobileUserAgents.length; i++) {
             if(userAgent.contains(mobileUserAgents[i])){
                 retStr=mobileUserAgents[i].toString(); // Android、iPhone
                 break;
             }
         }
         for (int i = 0; userAgent!=null && !userAgent.trim().equals("") && i < pcHeaders.length; i++) {
             if(userAgent.contains(pcHeaders[i])){
            retStr="PC";
             }
         }

         return retStr;
     }

}

注意：附件的jpeg改名为java即是原文件