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session过期 点击跳转到登陆页

2014-12-18 20:21 274 查看
自己总结的:

package cn.com.**.**.personalCenter.filter;
import java.io.IOException;
import java.io.PrintWriter;

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.HttpSession;
public class SessionFilter implements Filter{
private static final int NOT_VALID = -1;

@Override
public void init(FilterConfig filterConfig) throws ServletException {
// TODO Auto-generated method stub

}

@Override
public void doFilter(ServletRequest request, ServletResponse response,
FilterChain chain) throws IOException, ServletException {
HttpServletRequest httpRequest = (HttpServletRequest) request;
httpRequest.setCharacterEncoding("UTF-8");

HttpSession session = httpRequest.getSession();
String oneOfLoginUrl = "http://localhost:8020/ecenter/views/ecenterClub/loginRegisterNew/newloginClub.jsp";
String requestURI = httpRequest.getRequestURI();
//		String path = url.substring(url.lastIndexOf("/"));
//		boolean isLogin = requestURI.indexOf("login.jsp") != NOT_VALID || requestURI.indexOf("newloginClub.jsp") != NOT_VALID;//这个对loginRegisterNew中的文件会失效
boolean isLogin = requestURI.indexOf("login") != NOT_VALID;//这样不会过滤部分样式和js文件就能正常显示了
//超时处理,ajax请求超时设置超时状态,页面请求超时则返回提示并重定向
//		if((path.indexOf(".jsp") != -1) && (session.getAttribute("entryId") == null) && (path.equals("/login.jsp") == false)){
if(!isLogin && (session.getAttribute("entryId") == null || "".equals(session.getAttribute("entryId")))){
//判断是否为ajax请求
//			if(httpRequest.getHeader("x-requested-with") != null && httpRequest.getHeader("x-requested-with").equalsIgnoreCase("XMLHttpRequest")){
//				httpResponse.addHeader("sessionStatus", "timeOut");
//				httpResponse.addHeader("loginPath", oneOfLoginUrl);
//			} else {
String str = "<script type='text/javascript'> alert('回话过期,请重新登录');"
+ "window.top.location.href='"
+ oneOfLoginUrl
+ "';</script>";
response.setContentType("text/html;charset=UTF-8");//解决中文乱码
try{
//response到请求页
PrintWriter writer = response.getWriter();
writer.write(str);
writer.flush();
writer.close();
} catch (Exception e){
e.printStackTrace();
}
//			}
} else {
chain.doFilter(request, response);
}

}

@Override
public void destroy() {
// TODO Auto-generated method stub

}

}


如果登陆页没有除缓存最好在
response.setContentType(
"text/html;charset=UTF-8"
);
// 解决中文乱码


后边加上

response.setHeader("Pragma","No-cache");
response.setHeader("Cache-Control","no-cache");
response.setHeader("Cache-Control", "no-store");
response.setDateHeader("Expires",0);


实际项目:

package cn.com.**.**.utils;

import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

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.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

@SuppressWarnings("serial")
public class SecurityFilter extends HttpServlet implements Filter{
Logger logger = LoggerFactory.getLogger(SecurityFilter.class);
@Override
public void init(FilterConfig filterConfig) throws ServletException {
// TODO Auto-generated method stub

}

@Override
public void doFilter(ServletRequest request, ServletResponse response,
FilterChain chain) throws IOException, ServletException {
HttpServletRequest _request=(HttpServletRequest)request;
HttpServletResponse _response  =(HttpServletResponse) response;
HttpSession session = _request.getSession(true);
String entryId = (String)session.getAttribute("entryId");//登录人
logger.info("[个人中心过滤器]:entryId登录用户:" + entryId);
String url=_request.getRequestURI();
String href = request.getParameter("h");
logger.info("[个人中心过滤器]url==="+url+",href==="+href+",_request.getContextPath()==="+_request.getContextPath());
if(!"".equals(CheckNull.check(href)) && !href.startsWith("http://www.epicc.com.cn")&&!href.startsWith("http://11.207.58.71:8100")&&!href.startsWith("http://11.201.1.18")&&!href.startsWith("http://11.207.58.72:8000")
&&!href.startsWith("http://11.207.58.75:8000")&&!href.startsWith("http://11.207.58.72:8300")){
logger.info("[个人中心过滤器]不在规定的地址范围内,跳转到登录页面");
_response.sendRedirect(_request.getContextPath() + "/views/ecenterClub/loginRegisterNew/login.jsp");
}

//单点登录过滤
//        if(url.indexOf(";jsessionid")>-1){
//
//        	_response.sendRedirect(url.substring(0,url.indexOf(";jsessionid")));
//        }

if(entryId == null || "".equals(entryId)) {
//判断获取的路径不为空且不是访问登录页面或执行登录操作时跳转    proposalModule/proposal/queryProposalInfo
//1.不过滤资源文件 2.不过滤登陆注册模块 3 不过滤投保单详情和保单详情
if(url.indexOf("claimIndex.jsp")>0){
_response.sendRedirect(_request.getContextPath() + "/views/ecenterClub/loginRegisterNew/login.jsp");
}

if(!isValided(url)) {
logger.info("[个人中心过滤器]isValided(url)===false");
_response.sendRedirect(_request.getContextPath() + "/views/ecenterClub/loginRegisterNew/login.jsp");
logger.info(_request.getContextPath() + "/views/ecenterClub/loginRegisterNew/login.jsp");
return ;
}
}

chain.doFilter(request, response);
return;

}

/**
* 校验url是否被登陆过滤器拦截
* @param url
* @return
*/
private boolean  isValided(String url){

boolean urlValue = false;
if(url==null||"".equals(url)){
urlValue = false;
}
List<String> urlLi = new ArrayList<String>();
urlLi.add("/ecenter/loginRegister");
urlLi.add("login");
urlLi.add(".css");
urlLi.add(".jpg");
urlLi.add("CreateImage");
urlLi.add(".js");
urlLi.add(".png");
urlLi.add(".gif");
urlLi.add("bindEmail");
urlLi.add("searchOrdersDetail");
urlLi.add("ecenterController/ecenterService");
urlLi.add("/wapcustomer/validEmail");
urlLi.add("/proposalModule/proposal/queryProposalInfo");
urlLi.add("/ecenter/views/loginRegister/support/loginForOther.jsp");
urlLi.add("insurAndClaimsforIndex");
urlLi.add("/ecenter/policyModule/Policy/carPolicyDetail");
urlLi.add("/ecenter/policyModule/Policy/ebsPolicyDetail");
urlLi.add("/ecenter/loginRegister/longinByYaHooEmail");
urlLi.add("/ecenter/insuringAndClaims/PolicyClaimCheck/policyClaim/carClaim");
urlLi.add("/ecenter/insuringAndClaims/PolicyClaimCheck/policyClaim/noCarEbsClaim");
urlLi.add("/ecenter/insuringAndClaims/PolicyClaimCheck/policyClaim/noCarPolicy");
urlLi.add("/ecenter/insuringAndClaims/PolicyClaimCheck/policyClaim/getClaimList");
urlLi.add("/ecenter/insuringAndClaims/PolicyClaimCheck/policyClaim/getClaimDetail");
urlLi.add("/ecenter/orderModule/order/getCarOrderInfo");
urlLi.add("/catchPac");
urlLi.add("/ecenter/views/policyModule");
urlLi.add("/ecenter/personalInfo/customerInfo/saveCarSecretary");
urlLi.add("/ecenter/personalInfo/customerInfo/sendCarVaildCode");
urlLi.add("/ecenter/personalInfo/customerInfo/checkVaildCode");
urlLi.add("/ecenter/personalInfo/customerInfo/getLandEno");
urlLi.add("/ecenter/personalInfo/customerInfo/carSecretary");
urlLi.add("/ecenter/orderModule/order/getCarOrderInfoShow");
urlLi.add("/ecenter/servicesModule/consultation");
urlLi.add("/ecenter/orderModule/order/getErrorOrderInfo");
urlLi.add("/ecenter/policyModule/Policy/getEpolicyInfo");
urlLi.add("/ecenter/policyModule/Policy/getfeicheEpolicyInfo");
urlLi.add("My97DatePicker.htm");
urlLi.add("/ecenter/orderModule/order/getErrorYingyeInfo");
urlLi.add("/ecenter/insuringAndClaims/PolicyClaimCheck/policyClaim/YingXiaoDetail");
urlLi.add("/ecenter/policyModule/Policy/ebsPolicyDetail");
urlLi.add("/ecenter/views/errorPages/error404.html");
urlLi.add("/ecenter/policyModule/Policy/validateRand");
urlLi.add("/ecenter/policyDownload/Download/policyDownloadForPosPDF");
urlLi.add("/ecenter/policyDownload/Download/policyDownload");
urlLi.add("/ecenter/insuringAndClaims/PolicyClaimCheck/policyClaim");
urlLi.add("/sendPac");
urlLi.add("/ecenter/servicesModule/catchTBpack/getPack");
urlLi.add("/ecenter/servicesModule/catchTBpack/sendPack");
urlLi.add("/ecenter/servicesModule/activityPageConfig/tuangou");
urlLi.add("/ecenter/servicesModule/activityPageConfig/getCountyByCity");
urlLi.add("/ecenter/servicesModule/activityPageConfig/getActivityDetails");
urlLi.add("/ecenter/servicesModule/freesave/validateCardId");
urlLi.add("/ecenter/servicesModule/freesave/validateName");
urlLi.add("/ecenter/servicesModule/freesave/validateEmail");
urlLi.add("/ecenter/servicesModule/freesave/activateFreeSave");
urlLi.add("/ecenter/servicesModule/freesave/getPageUserCardInfoMsg");
urlLi.add("/ecenter/views/servicesModule/creditCardBlindQuery.jsp");
urlLi.add("/ecenter/views/servicesModule/activateFreeSave.jsp");
urlLi.add("/ecenter/views/servicesModule/unRegisterActivate.jsp");
urlLi.add("/ecenter/views/servicesModule/registeredActivate.jsp");
urlLi.add("/ecenter/servicesModule/checkStore/CheckStoreCode");
urlLi.add("/ecenter/sendpac");
urlLi.add("/ecenter/policyModule/Policy/checkReleStatus");
//add 20140825 start**改版流程 添加
urlLi.add("/ecenter/proposalModule/proposal/carJQProposalInfo");
urlLi.add("/ecenter/proposalModule/proposal/EADproposalInfo");
urlLi.add("/ecenter/orderModule/order/DATGroupOrderDetail");
//add 20140825 end
urlLi.add("/ecenter/shortUrl/jpage");
urlLi.add("/ecenter/shortUrl/validRand");
urlLi.add("/ecenter/policyModule/Policy/queryClaimInfo");
urlLi.add("/ecenter/servicesModule/gift/queryGift");
//ebs-4349 两个网络整合
urlLi.add("/ecenter/ecenterClub");
urlLi.add("/ecenter/views/ecenterClub/loginRegisterNew/login.jsp");

//EBS-4828 **首页页面查询
urlLi.add("/ecenter/servicesModule/panicbuy/queryPanicBuyInfo");
urlLi.add("/ecenter/views/servicesModule/panicBuySrc.jsp");

//add 20141107 end
urlLi.add("/ecenter/servicesModule/memberNew/getQxInfo");
urlLi.add("/ecenter/servicesModule/suggestion");
urlLi.add("/ecenter/servicesModule/memberNewCon");
urlLi.add("/ecenter/servicesModule/netorg");
urlLi.add("/ecenter/servicesModule/website");
urlLi.add("/ecenter/ecenterClub/loginRegisterNew/newLogin/isBeforeEntry");
urlLi.add("getEntry");
urlLi.add("/ecar/payment/entryDefray");
urlLi.add("/eproperty/pay");
for(int i=0; i<urlLi.size(); i++){
if(url.indexOf(urlLi.get(i)) >= 0){
urlValue = true;
break;
}
}
if("/ecenter/insuringAndClaims/PolicyClaimCheck/policyClaimNewIndex/getPolicyPage".equals(url)){
urlValue=false;
}
return urlValue;

}
}


web.xml

<!-- begin session过期验证 -->
<filter>
<filter-name>SessionFilter</filter-name>
<filter-class>cn.com.**.**.personalCenter.filter.SessionFilter</filter-class>
</filter>
<filter-mapping>
<filter-name>SessionFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<!-- end -->

<!-- 过滤器 登陆状态 -->
<filter>
<filter-name>SecurityFilter</filter-name>
<filter-class>cn.com.**.**.utils.SecurityFilter</filter-class>
</filter>
<!-- 安全登陆过滤 -->
<filter-mapping>
<filter-name>SecurityFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
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