<!--添加Session監(jiān)聽器-->
<listener>
<listener-class> 監(jiān)聽器路徑 </listener-class>
</listener>

public class SessionListener implements HttpSessionListener {
public void sessionCreated(HttpSessionEvent arg0) {
// session創(chuàng)建時(shí)執(zhí)行
SimpleDateFormat simpleFormat = new SimpleDateFormat("mm-ss-ms");
String nowtimes = simpleFormat.format(new Date());
User u=null;
//System.out.println("執(zhí)行。。 當(dāng)前時(shí)間："+nowtimes+"_"+u);
HttpSession ses= arg0.getSession();
String id=ses.getId()+"_"+ses.getCreationTime();
}
public void sessionDestroyed(HttpSessionEvent arg0) {
// session失效時(shí)執(zhí)行
SimpleDateFormat simpleFormat = new SimpleDateFormat("mm-ss-ms");
String nowtimes = simpleFormat.format(new Date());
//System.out.println("session失效了。。 結(jié)束時(shí)間： "+nowtimes);
}
}

<filter>
<filter-name>sessionFilter</filter-name>
<filter-class>com.orchestrall.web.helper.session.SessionFilter</filter-class>
</filter>
<filter-mapping>
<filter-name>sessionFilter</filter-name>
<url-pattern>/actions/*</url-pattern>
</filter-mapping>

public class SessionFilterimplements Filter {
public void destroy() {
// TODO Auto-generated method stub
}
public void doFilter(ServletRequest request, ServletResponse response,
FilterChain chain) throws IOException, ServletException {
HttpServletRequest httpRequest = (HttpServletRequest) request;
HttpServletResponse httpResponse = (HttpServletResponse) response;
HttpSession session = httpRequest.getSession();
// 登陸url
String loginUrl = httpRequest.getContextPath() + "/admin/login.jsp";
String url = httpRequest.getRequestURI();
String path = url.substring(url.lastIndexOf("/"));
// 超時(shí)處理，ajax請(qǐng)求超時(shí)設(shè)置超時(shí)狀態(tài)，頁面請(qǐng)求超時(shí)則返回提示并重定向
if (path.indexOf(".action") != -1
&& session.getAttribute("LOGIN_SUCCESS") == null) {
// 判斷是否為ajax請(qǐng)求
if (httpRequest.getHeader("x-requested-with") != null
&& httpRequest.getHeader("x-requested-with")
.equalsIgnoreCase("XMLHttpRequest")) {
httpResponse.addHeader("sessionstatus", "timeOut");
httpResponse.addHeader("loginPath", loginUrl);
chain.doFilter(request, response);// 不可少，否則請(qǐng)求會(huì)出錯(cuò)
} else {
String str = "<script language='javascript'>alert('會(huì)話過期,請(qǐng)重新登錄');"
+ "window.top.location.href='"
+ loginUrl
+ "';</script>";
response.setContentType("text/html;charset=UTF-8");// 解決中文亂碼
try {
PrintWriter writer = response.getWriter();
writer.write(str);
writer.flush();
writer.close();
} catch (Exception e) {
e.printStackTrace();
}
}
} else {
chain.doFilter(request, response);
}
}
@Override
public void init(FilterConfig arg0) throws ServletException {
// TODO Auto-generated method stub
}
}

<script type="text/javascript">
$(document).ajaxComplete(function(event, xhr, settings) {
if(xhr.getResponseHeader("sessionstatus")=="timeOut"){
if(xhr.getResponseHeader("loginPath")){
alert("會(huì)話過期，請(qǐng)重新登陸!");
window.location.replace(xhr.getResponseHeader("loginPath"));
}else{
alert("請(qǐng)求超時(shí)請(qǐng)重新登陸 !");
}
}
});
</script>

Ext.Ajax.on('requestcomplete',checkUserSessionStatus, this);
function checkUserSessionStatus(conn,response,options){
if(response.getResponseHeader("sessionstatus") == 'timeout'){
if(response.getResponseHeader("loginPath")){
alert("會(huì)話過期，請(qǐng)重新登陸!");
window.top.location.href = response.getResponseHeader("loginPath");
}else{
alert("請(qǐng)求超時(shí)請(qǐng)重新登陸 !");
}
}
}

$.ajax({
url:"test.html",
global:false//不觸發(fā)全局ajax事件
})