filter 过滤器用户登录并判断是否属于电脑端或者手机端访问

package com.probiz.estorepf.authorityInterceptor;

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"

};

/**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 b = false;

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;

break;

}

}

if(mobileFlag==true && pcFlag==false){

b=true;

}

return b;//false pc true shouji

}

}

首选先创建一个过滤器

package com.probiz.estorepf.authorityInterceptor;

import java.io.IOException;

import javax.servlet.Filter;

import javax.servlet.FilterChain;

import javax.servlet.FilterConfig;

import javax.servlet.ServletException;

import javax.servlet.ServletRequest;

import javax.servlet.ServletResponse;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

import javax.servlet.http.HttpServletResponseWrapper;

import javax.servlet.http.HttpSession;

import com.probiz.estorepf.entity.AdminUsers;

public class SessionFilter implements Filter {

public FilterConfig config;

public void destroy() {

this.config = null;

}

public static boolean isContains(String container, String[] regx) {

boolean result = false;

for (int i = 0; i < regx.length; i++) {

if (container.indexOf(regx[i]) != -1) {

return true;

}

}

return result;

}

public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {

HttpServletRequest servletRequest = (HttpServletRequest) request;

HttpServletResponse servletResponse = (HttpServletResponse) response;

HttpSession session = servletRequest.getSession();

// 获得用户请求的URI

String path = servletRequest.getRequestURI();

//System.out.println(path);

// 从session里取员工工号信息

AdminUsers empId = (AdminUsers) session.getAttribute("admin");

/*创建类Constants.java，里面写的是无需过滤的页面

for (int i = 0; i < Constants.NoFilter_Pages.length; i++) {

if (path.indexOf(Constants.NoFilter_Pages[i]) > -1) {

chain.doFilter(servletRequest, servletResponse);

return;

}

}*/

if(HttpRequestDeviceUtils.isMobileDevice(servletRequest)!=true){

//对外的action无需过滤

if(path.indexOf("/httpGetData.action") > -1){

chain.doFilter(servletRequest, servletResponse);

return;

}

if(path.indexOf("/addHttpGetPaymentData.action") > -1){

chain.doFilter(servletRequest, servletResponse);

return;

}

if(path.indexOf("/addHttpGetCiqnoData.action") > -1){

chain.doFilter(servletRequest, servletResponse);

return;

}

if(path.indexOf("/logins.jsp") > -1){

chain.doFilter(servletRequest, servletResponse);

return;

}

if(path.indexOf("/loginUser.action") > -1){

chain.doFilter(servletRequest, servletResponse);

return;

}

// 登陆页面无需过滤

if(path.indexOf("/login.jsp") > -1) {

chain.doFilter(servletRequest, servletResponse);

return;

}

if(path.indexOf("/loginUsers.action") > -1) {

chain.doFilter(servletRequest, servletResponse);

return;

}

// 判断如果没有取到员工信息,就跳转到登陆页面

if (empId == null || "".equals(empId.getUserLogin())) {

// 跳转到登陆页面

servletRequest.getRequestDispatcher("/login.jsp").forward(request,response);

// servletResponse.sendRedirect("login.jsp");

} else {

// 已经登陆,继续此次请求

chain.doFilter(request, response);

}

}else{

//对外的action无需过滤

// if(path.indexOf("/httpGetData.action") > -1){

// chain.doFilter(servletRequest, servletResponse);

// return;

// }

if(path.indexOf("/addHttpGetPaymentData.action") > -1){

chain.doFilter(servletRequest, servletResponse);

return;

}

if(path.indexOf("/logins.jsp") > -1){

chain.doFilter(servletRequest, servletResponse);

return;

}

if(path.indexOf("/loginUser.action") > -1){

chain.doFilter(servletRequest, servletResponse);

return;

}

// 判断如果没有取到员工信息,就跳转到登陆页面

if (empId == null || "".equals(empId.getUserLogin())) {

// 跳转到登陆页面

servletRequest.getRequestDispatcher("/logins.jsp").forward(request,response);

} else {

// 已经登陆,继续此次请求

chain.doFilter(servletRequest, servletResponse);

return;

}

}

}

public void init(FilterConfig filterConfig) throws ServletException {

config = filterConfig;

}

}

在web.xml配置所需要的代码

<filter>

<filter-name>loginFilter</filter-name>

<filter-class>com.probiz.estorepf.authorityInterceptor.SessionFilter</filter-class>

</filter>

<filter-mapping>

<filter-name>loginFilter</filter-name>

<url-pattern>*.jsp</url-pattern>

</filter-mapping>

<filter-mapping>

<filter-name>loginFilter</filter-name>

<url-pattern>*.action</url-pattern>

</filter-mapping>

<filter-mapping>

<filter-name>struts2</filter-name>

<url-pattern>/*</url-pattern>

</filter-mapping>