cn.wizzer.my.SessionListener
请问这个类在哪里有demo呢

我没法翻墙啊，哥

我是这样做的也可以实现效果
这是filter

package com.hxd.shiro.filter;

import com.hxd.web.ajax.AjaxFront;
import org.apache.shiro.cache.Cache;
import org.apache.shiro.cache.CacheManager;
import org.apache.shiro.session.Session;
import org.apache.shiro.session.mgt.DefaultSessionKey;
import org.apache.shiro.session.mgt.SessionManager;
import org.apache.shiro.subject.Subject;
import org.apache.shiro.web.filter.AccessControlFilter;
import org.apache.shiro.web.util.WebUtils;
import org.nutz.json.JsonFormat;
import org.nutz.mvc.Mvcs;

import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.io.Serializable;
import java.util.Deque;
import java.util.LinkedList;

/**
 * @author Administrator
 */
public class KickoutSessionControlFilter extends AccessControlFilter {

    /**
     * 踢出后到的地址
     */
    private String kickoutUrl;
    /**
     * 踢出之前登录的/之后登录的用户 默认踢出之前登录的用户
     */
    private boolean kickoutAfter = false;
    /**
     * 同一个帐号最大会话数 默认1
     */
    private int maxSession = 1;

    private SessionManager sessionManager;
    private Cache<String, Deque<Serializable>> cache;

    public void setKickoutUrl(String kickoutUrl) {
        this.kickoutUrl = kickoutUrl;
    }

    public void setKickoutAfter(boolean kickoutAfter) {
        this.kickoutAfter = kickoutAfter;
    }

    public void setMaxSession(int maxSession) {
        this.maxSession = maxSession;
    }

    public void setSessionManager(SessionManager sessionManager) {
        this.sessionManager = sessionManager;
    }

    /**
     * 设置Cache的key的前缀
     * @param cacheManager
     */
    public void setCacheManager(CacheManager cacheManager) {
        this.cache = cacheManager.getCache("shiro-activeSessionCache");
    }

    @Override
    protected boolean isAccessAllowed(ServletRequest request, ServletResponse response, Object mappedValue) throws Exception {
        return false;
    }

    @Override
    protected boolean onAccessDenied(ServletRequest request, ServletResponse response) throws Exception {
        Subject subject = getSubject(request, response);
        if (!subject.isAuthenticated() && !subject.isRemembered()) {
            //如果没有登录，直接进行之后的流程
            return true;
        }


        Session session = subject.getSession();
        String username = (String) subject.getPrincipal();
        Serializable sessionId = session.getId();

        //读取缓存   没有就存入
        Deque<Serializable> deque = cache.get(username);

        //如果此用户没有session队列，也就是还没有登录过，缓存中没有
        //就new一个空队列，不然deque对象为空，会报空指针
        if (deque == null) {
            deque = new LinkedList<>();
        }

        //如果队列里没有此sessionId，且用户没有被踢出；放入队列
        if (!deque.contains(sessionId) && session.getAttribute("kickout") == null) {
            //将sessionId存入队列
            deque.push(sessionId);
            //将用户的sessionId队列缓存
            cache.put(username, deque);
        }
        kickoutDeque(username, deque);

        return toRedirect(request, response, subject, session);
    }

    /**
     * 判断是否被提出进行跳转
     * @param request
     * @param response
     * @param subject
     * @param session
     * @return
     * @throws IOException
     */
    private boolean toRedirect(ServletRequest request, ServletResponse response, Subject subject, Session session) throws IOException {
        //如果被踢出了，直接退出，重定向到踢出后的地址
        if (session.getAttribute("kickout") != null) {
            //会话被踢出了
            try {
                //退出登录
                subject.logout();
            } catch (Exception e) {
                e.printStackTrace();
            }
            saveRequest(request);

            //判断是不是Ajax请求
            HttpServletResponse httpServletResponse = (HttpServletResponse) response;
            if (isAjax((HttpServletRequest) request)) {
                AjaxFront ajax = new AjaxFront();
                ajax.status = 301;
                ajax.message = "您已经在其他地方登录，请重新登录！";
                ajax.add("gourl", kickoutUrl);
                Mvcs.write(httpServletResponse, ajax, JsonFormat.compact());
            } else {
                //重定向
                WebUtils.issueRedirect(request, response, kickoutUrl);
            }
            return false;
        }
        return true;
    }

    /**
     * 如果队列里的sessionId数超出最大会话数，开始踢人
     * @param username
     * @param deque
     */
    private void kickoutDeque(String username, Deque<Serializable> deque) {
        while (deque.size() > maxSession) {
            Serializable kickoutSessionId;
            //如果踢出后者
            if (kickoutAfter) { 
                kickoutSessionId = deque.removeFirst();
                //踢出后再更新下缓存队列
                cache.put(username, deque);
            } else { //否则踢出前者
                kickoutSessionId = deque.removeLast();
                //踢出后再更新下缓存队列
                cache.put(username, deque);
            }


            try {
                //获取被踢出的sessionId的session对象
                Session kickoutSession = sessionManager.getSession(new DefaultSessionKey(kickoutSessionId));
                if (kickoutSession != null) {
                    //设置会话的kickout属性表示踢出了
                    kickoutSession.setAttribute("kickout", true);
                }
            } catch (Exception e) {
                e.printStackTrace();
            }
        }
    }

    /**
     * 是否是ajax请求
     * @param request
     * @return
     */
    private boolean isAjax(HttpServletRequest request) {
        String header = request.getHeader("x-requested-with");
        if (null != header && "XMLHttpRequest".equalsIgnoreCase(header)) {
            return true;
        }
        return false;
    }
}

然后再shiro.ini中配置需要拦截的地址，加上过滤器

[main]

#Session管理器,关闭定时校验机制,持久化环境下会非常耗内存
sessionManager = org.apache.shiro.web.session.mgt.DefaultWebSessionManager
sessionManager.sessionValidationSchedulerEnabled = false
sessionManager.sessionIdUrlRewritingEnabled = false
sessionManager.deleteInvalidSessions = true

#带缓存的SessionDAO
sessionDAO = org.apache.shiro.session.mgt.eis.EnterpriseCacheSessionDAO
sessionManager.sessionDAO = $sessionDAO
securityManager.sessionManager = $sessionManager

# use R.UU32(), 原生的是UUID,比较长
sessionIdGenerator = org.nutz.integration.shiro.UU32SessionIdGenerator
securityManager.sessionManager.sessionDAO.sessionIdGenerator = $sessionIdGenerator

#记住我
rememberMeCookie = org.apache.shiro.web.servlet.SimpleCookie
rememberMeCookie.name=remember
rememberMeCookie.maxAge = 604800
rememberMeCookie.httpOnly = true
rememberMeManager = org.apache.shiro.web.mgt.CookieRememberMeManager
rememberMeManager.cookie = $rememberMeCookie

# 2层缓存配置
jedisAgent = org.nutz.integration.jedis.JedisAgent
cacheManager_ehcache = org.apache.shiro.cache.ehcache.EhCacheManager
cacheManager_ehcache.cacheManagerConfigFile=classpath:ehcache.xml
cacheManager_redis = org.nutz.plugins.cache.impl.redis.RedisCacheManager
cacheManager_redis.mode=kv
cacheManager_redis.debug=true
cacheManager_redis.ttl=1800
cacheManager = org.nutz.plugins.cache.impl.lcache.LCacheManager
cacheManager.level1 = $cacheManager_ehcache
cacheManager.level2 = $cacheManager_redis
cacheManager.jedisAgent = $jedisAgent
securityManager.sessionManager.cacheManager = $cacheManager
#securityManager.rememberMeManager = $rememberMeManager

# realm声明
nutzdao_realm = com.hxd.shiro.realm.UserRealm

# cookie, nutzcn使用超长时间的cookie,所以下面的timeout都很长
sessionIdCookie=org.apache.shiro.web.servlet.SimpleCookie
sessionIdCookie.name=sid
sessionIdCookie.maxAge=1800000
sessionIdCookie.httpOnly=true
sessionManager.sessionIdCookie=$sessionIdCookie
sessionManager.sessionIdCookieEnabled=true
sessionManager.globalSessionTimeout=1800000

kickout=com.hxd.shiro.filter.KickoutSessionControlFilter
kickout.cacheManager=$cacheManager
kickout.sessionManager=$sessionManager
kickout.kickoutUrl=/login

authc = org.nutz.integration.shiro.SimpleAuthenticationFilter
authc.loginUrl  = /login
perms.loginUrl  = /login
roles.loginUrl  = /login
user.loginUrl   = /login
rest.loginUrl   = /login
logout.redirectUrl= /login


[urls]
/static/*        = anon, noSessionCreation
/druid/*        = anon, noSessionCreation
/style/*        = anon, noSessionCreation
/swagger/**        = anon, noSessionCreation

/member/V1.0/fuiouWebReg = authc,kickout
/member/V1.0/fuiouChangeBandCard = authc,kickout
/member/V1.0/fuiouMobileChange = authc,kickout
/member/V1.0/fuiouPassWordChange = authc,kickout
/member/V1.0/fuiouQuickRecharge = authc,kickout
/member/V1.0/fuiouWithdraw = authc,kickout
/member/V1.0/* = anon

/wx/member/V1.0/fuiouWebReg = authc,kickout
/wx/member/V1.0/fuiouChangeBandCard = authc,kickout
/wx/member/V1.0/fuiouMobileChange = authc,kickout
/wx/member/V1.0/fuiouPassWordChange = authc,kickout
/wx/member/V1.0/fuiouQuickRecharge = authc,kickout
/wx/member/V1.0/fuiouWithdraw = authc,kickout
/wx/member/V1.0/* = anon

/investTender = authc,kickout
/investUmpayTender = authc,kickout
/realName = authc,kickout
/member/** = authc,kickout

/wx/member/** = authc,kickout
/wx/investTender = authc,kickout


/member/logout = logout
/wx/member/logout = logout

我看了这个MySessionListener ，需要在数据库中记录，但是我需要的是不在数据库中记录，因为我三个端PC、WAP、APP分别处理