Filter过滤器实现同一地址手机和电脑页面不同

 1 String[] mobileAgents = { “iphone”, “android”, “phone”, “mobile”,
 2 “wap”, “netfront”, “java”, “opera mobi”, “opera mini”, “ucweb”,
 3 “windows ce”, “symbian”, “series”, “webos”, “sony”,
 4 “blackberry”, “dopod”, “nokia”, “samsung”, “palmsource”, “xda”,
 5 “pieplus”, “meizu”, “midp”, “cldc”, “motorola”, “foma”,
 6 “docomo”, “up.browser”, “up.link”, “blazer”, “helio”, “hosin”,
 7 “huawei”, “novarra”, “coolpad”, “webos”, “techfaith”,
 8 “palmsource”, “alcatel”, “amoi”, “ktouch”, “nexian”,
 9 “ericsson”, “philips”, “sagem”, “wellcom”, “bunjalloo”, “maui”,
10 “smartphone”, “iemobile”, “spice”, “bird”, “zte-“, “longcos”,
11 “pantech”, “gionee”, “portalmmm”, “jig browser”, “hiptop”,
12 “benq”, “haier”, “^lct”, “320×320”, “240×320”, “176×220”,
13 “w3c “, “acs-“, “alav”, “alca”, “amoi”, “audi”, “avan”, “benq”,
14 “bird”, “blac”, “blaz”, “brew”, “cell”, “cldc”, “cmd-“, “dang”,
15 “doco”, “eric”, “hipt”, “inno”, “ipaq”, “java”, “jigs”, “kddi”,
16 “keji”, “leno”, “lg-c”, “lg-d”, “lg-g”, “lge-“, “maui”, “maxo”,
17 “midp”, “mits”, “mmef”, “mobi”, “mot-“, “moto”, “mwbp”, “nec-“,
18 “newt”, “noki”, “oper”, “palm”, “pana”, “pant”, “phil”, “play”,
19 “port”, “prox”, “qwap”, “sage”, “sams”, “sany”, “sch-“, “sec-“,
20 “send”, “seri”, “sgh-“, “shar”, “sie-“, “siem”, “smal”, “smar”,
21 “sony”, “sph-“, “symb”, “t-mo”, “teli”, “tim-“, “tosh”, “tsm-“,
22 “upg1”, “upsi”, “vk-v”, “voda”, “wap-“, “wapa”, “wapi”, “wapp”,
23 “wapr”, “webc”, “winw”, “winw”, “xda”, “xda-“,
24 “Googlebot-Mobile” };

 1 /**
 2  * 判断是否是手机访问
 3  * 
 4  * @param request
 5  * @return
 6  */
 7 public boolean isMoblie(HttpServletRequest request) {
 8     boolean isMoblie = false;
 9     String[] mobileAgents = { "iphone", "android", "phone", "mobile",
10             "wap", "netfront", "java", "opera mobi", "opera mini", "ucweb",
11             "windows ce", "symbian", "series", "webos", "sony",
12             "blackberry", "dopod", "nokia", "samsung", "palmsource", "xda",
13             "pieplus", "meizu", "midp", "cldc", "motorola", "foma",
14             "docomo", "up.browser", "up.link", "blazer", "helio", "hosin",
15             "huawei", "novarra", "coolpad", "webos", "techfaith",
16             "palmsource", "alcatel", "amoi", "ktouch", "nexian",
17             "ericsson", "philips", "sagem", "wellcom", "bunjalloo", "maui",
18             "smartphone", "iemobile", "spice", "bird", "zte-", "longcos",
19             "pantech", "gionee", "portalmmm", "jig browser", "hiptop",
20             "benq", "haier", "^lct", "320x320", "240x320", "176x220",
21             "w3c ", "acs-", "alav", "alca", "amoi", "audi", "avan", "benq",
22             "bird", "blac", "blaz", "brew", "cell", "cldc", "cmd-", "dang",
23             "doco", "eric", "hipt", "inno", "ipaq", "java", "jigs", "kddi",
24             "keji", "leno", "lg-c", "lg-d", "lg-g", "lge-", "maui", "maxo",
25             "midp", "mits", "mmef", "mobi", "mot-", "moto", "mwbp", "nec-",
26             "newt", "noki", "oper", "palm", "pana", "pant", "phil", "play",
27             "port", "prox", "qwap", "sage", "sams", "sany", "sch-", "sec-",
28             "send", "seri", "sgh-", "shar", "sie-", "siem", "smal", "smar",
29             "sony", "sph-", "symb", "t-mo", "teli", "tim-", "tosh", "tsm-",
30             "upg1", "upsi", "vk-v", "voda", "wap-", "wapa", "wapi", "wapp",
31             "wapr", "webc", "winw", "winw", "xda", "xda-",
32             "Googlebot-Mobile" };
33     if (request.getHeader("User-Agent") != null) {
34         for (String mobileAgent : mobileAgents) {
35             if (request.getHeader("User-Agent").toLowerCase()
36                     .indexOf(mobileAgent) >= 0) {
37                 isMoblie = true;
38                 break;
39             }
40         }
41     }
42     return isMoblie;
43 }

 1 public class WapFilter implements Filter {
 2     @Override
 3     public void doFilter(ServletRequest request, ServletResponse response,
 4             FilterChain chain) throws IOException, ServletException {
 5         response.setContentType("text/html;charset=utf-8");
 6         HttpServletRequest httpRequest = (HttpServletRequest) request;
 7         String uri = httpRequest.getRequestURI();
 8         if (isMoblie(httpRequest)) {
 9             httpRequest.getRequestDispatcher("/wap" + uri).forward(request,
10                     response);
11         } else {
12             chain.doFilter(request, response);// 电脑放行
13         }
14     }
15         //省略其他代码……
16 }

1 <filter>
2 <filter-name>wapfilter</filter-name>
3 <filter-class>cn.dtblog.filter.WapFilter</filter-class>
4 </filter><filter-mapping>
5 <filter-name>wapfilter</filter-name>
6 <url-pattern>/*</url-pattern>
7 </filter-mapping>