package com.listener;

import javax.servlet.annotation.WebListener;
import javax.servlet.http.HttpSessionEvent;
import javax.servlet.http.HttpSessionListener;

/**
 * session監(jiān)聽器
 * @author Administrator
 */
@WebListener
public class SessionListener implements HttpSessionListener{

  private int onlineCount = 0;//記錄session的數(shù)量
  
  /**
   * session創(chuàng)建后執(zhí)行
   */
  @Override
  public void sessionCreated(HttpSessionEvent se) {
    onlineCount++;
    System.out.println("【HttpSessionListener監(jiān)聽器】 sessionCreated, onlineCount:" + onlineCount);
    se.getSession().getServletContext().setAttribute("onlineCount", onlineCount);
  }

  /**
   * session失效后執(zhí)行
   */
  @Override
  public void sessionDestroyed(HttpSessionEvent se) {
    if (onlineCount > 0) {
      onlineCount--;
    }
    System.out.println("【HttpSessionListener監(jiān)聽器】 sessionDestroyed, onlineCount:" + onlineCount);
    se.getSession().getServletContext().setAttribute("onlineCount", onlineCount);
  }

}

package com.sq.transportmanage.gateway.api.auth;

import com.alibaba.fastjson.JSONObject;
import com.sq.transportmanage.gateway.api.web.interceptor.AjaxResponse;
import com.sq.transportmanage.gateway.api.web.interceptor.LoginoutListener;
import com.sq.transportmanage.gateway.service.common.shiro.session.redisSessionDAO;
import com.sq.transportmanage.gateway.service.common.web.RestErrorCode;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.util.StringUtils;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.bind.annotation.RestController;

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

/**
 * @Author fanht
 * @Description
 * @Date 2020/3/5 下午6:46
 * @Version 1.0
 */
@RestController
@RequestMapping("/loginoutController")
public class LoginoutController extends RedisSessionDAO{

  private Logger logger = LoggerFactory.getLogger(this.getClass());



  @RequestMapping("/userLoginOut")
  @ResponseBody
  public AjaxResponse userLoginOut(String userIds, HttpSession httpSession,
                   HttpServletRequest request){

    logger.info("httpSessionId" + httpSession.getId() + ",是否是session會(huì)話：" +
    request.getSession(false));
    HttpSession session = request.getSession();
    String loginName = (String) session.getAttribute("loginName");
    logger.info("loginName:" + loginName);
    logger.info("調(diào)用退出接口并清除shiro緩存" + userIds);
    logger.info("獲取監(jiān)聽存取的信息" + JSONObject.toJSONString(LoginoutListener.sessionCount));
    try {
      String userId[] = StringUtils.tokenizeToStringArray(userIds,",");
      for(int i = 0;i<userId.length;i++){
        clearRelativeSession(null,null,Integer.valueOf(userId[i]));
      }
      return AjaxResponse.success(null);
    } catch (NumberFormatException e) {
      e.printStackTrace();
      logger.error("shiro退出異常" + e);
      return AjaxResponse.fail(RestErrorCode.UNKNOWN_ERROR);
    }
  }

  @Override
  public void clearRelativeSession(Integer permissionId, Integer roleId, Integer userId) {
    super.clearRelativeSession(null, null, userId);
  }
}

package com.sq.transportmanage.gateway.api.web.interceptor;

import com.google.common.collect.Maps;
import com.sq.transportmanage.gateway.service.common.shiro.session.RedisSessionDAO;
import org.apache.shiro.session.Session;
import org.apache.shiro.session.SessionListener;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.Map;
import java.util.concurrent.atomic.AtomicInteger;

/**
 * @Author fanht
 * @Description 監(jiān)聽當(dāng)前有哪些用戶，當(dāng)收到特定通知后通知退出登錄
 * @Date 2020/3/5 下午1:48
 * @Version 1.0
 */
//@WebListener
public class LoginoutListener  extends RedisSessionDAO implements SessionListener {

  private Logger logger = LoggerFactory.getLogger(this.getClass());
  public static final Map<Long,String> mapUser = Maps.newHashMap();
  public final static AtomicInteger sessionCount = new AtomicInteger(0);

  @Override
  public void onStart(Session session) {
    //會(huì)話創(chuàng)建，在線人數(shù)加一
    logger.info("======" + sessionCount);
    sessionCount.incrementAndGet();
  }

  @Override
  public void onStop(Session session) {
    //會(huì)話退出,在線人數(shù)減一
    sessionCount.decrementAndGet();
  }

  @Override
  public void onExpiration(Session session) {
    //會(huì)話過期,在線人數(shù)減一
    sessionCount.decrementAndGet();

  }


  /**
   * 獲取在線人數(shù)使用
   * @return
   */
  public AtomicInteger getSessionCount() {
    return sessionCount;
  }



  /*@Override
  public void sessionCreated(HttpSessionEvent se) {
    onlineCount++;
    logger.info("創(chuàng)建start====== ===" + se.getSession().getId());
    mapUser.put(se.getSession().getCreationTime(),se.getSession().getId());
  }

  @Override
  public void sessionDestroyed(HttpSessionEvent se) {
    logger.info("銷毀session=============");
  }*/
}

@Bean("sessionManager")
  public DefaultWebSessionManager sessionManager(RedisSessionDAO sessionDAO, SimpleCookie sessionIdCookie) {
    DefaultWebSessionManager sessionManager = new DefaultWebSessionManager();
    //session存活時(shí)間60分鐘
    sessionManager.setGlobalSessionTimeout(3600000);
    sessionManager.setDeleteInvalidSessions(true);
    //自定義監(jiān)聽 fht 不能使用@WebListern的 HttpSessionListerner 因?yàn)閟hiro重寫了session 2020-03-05
    Collection<SessionListener> sessionListeners = new ArrayList<>();
    sessionListeners.add(sessionListener());
    sessionManager.setSessionListeners(sessionListeners);
    //sessionManager.setSessionValidationSchedulerEnabled(true);
    //sessionManager.setSessionValidationScheduler(sessionValidationScheduler);
    sessionManager.setSessionDAO(sessionDAO);
    sessionManager.setSessionIdCookieEnabled(true);
    sessionManager.setSessionIdCookie(sessionIdCookie);
    return sessionManager;
  }

/**
   * 自定義shiro監(jiān)聽
   * @return
   */
  @Bean("sessionListener")
  public LoginoutListener sessionListener(){
    LoginoutListener loginoutListener = new LoginoutListener();

    return loginoutListener;
  }