153457.png
山不在高，有仙则名。水不在深，有龙则灵。斯是陋室，惟吾德馨。苔痕上阶绿，草色入帘青。谈笑有鸿儒，往来无白丁。可以调素琴，阅金经。无丝竹之乱耳，无案牍之劳形。南阳诸葛庐，西蜀子云亭。孔子云：何陋之有？
环境配置
1.依赖jar
<dependency>
<groupId>org.springframework.data</groupId>
<artifactId>spring-data-redis</artifactId>
<version>1.8.7.RELEASE</version>
</dependency>
<!--jedis -->
<dependency>
<groupId>redis.clients</groupId>
<artifactId>jedis</artifactId>
<version>2.9.0</version>
</dependency>
2.redis配置
redis.maxTotal=600
redis.maxIdle=100
redis.maxWaitMillis=2000
redis.testOnBorrow=true
redis.host=localhost
redis.password=
redis.port=6379
redis.timeout=2000
<!-- 配置jedis连接池 -->
<bean id="jedisPoolConfig" class="redis.clients.jedis.JedisPoolConfig">
<property name="maxTotal" value="${redis.maxTotal}" />
<property name="maxIdle" value="${redis.maxIdle}" />
<property name="maxWaitMillis" value="${redis.maxWaitMillis}" />
<property name="testOnBorrow" value="${redis.testOnBorrow}" />
</bean>
<!-- 配置spring data redis -->
<bean id="jedisConnectionFactory"
class="org.springframework.data.redis.connection.jedis.JedisConnectionFactory">
<property name="hostName" value="${redis.host}" />
<property name="password" value="${redis.password}" />
<property name="port" value="${redis.port}" />
<property name="timeout" value="${redis.timeout}" />
<property name="usePool" value="true" />
<property name="poolConfig" ref="jedisPoolConfig" />
</bean>
<bean id="redisTemplate" class="org.springframework.data.redis.core.StringRedisTemplate">
<property name="connectionFactory" ref="jedisConnectionFactory" />
<property name="keySerializer">
<bean class="org.springframework.data.redis.serializer.StringRedisSerializer" />
</property>
<property name="valueSerializer">
<bean class="org.springframework.data.redis.serializer.StringRedisSerializer" />
</property>
<property name="hashKeySerializer">
<bean class="org.springframework.data.redis.serializer.JdkSerializationRedisSerializer" />
</property>
<property name="hashValueSerializer">
<bean class="org.springframework.data.redis.serializer.JdkSerializationRedisSerializer" />
</property>
</bean>
<!-- 配置spring session保存在redis中，session超时时间1800秒 -->
<bean id="redisHttpSessionConfiguration"
class="org.springframework.session.data.redis.config.annotation.web.http.RedisHttpSessionConfiguration">
<property name="maxInactiveIntervalInSeconds" value="7200" />
</bean>
<cache:annotation-driven/>
<bean id="cacheManager" class="org.springframework.data.redis.cache.RedisCacheManager">
<constructor-arg name="redisOperations" ref="redisTemplate"></constructor-arg>
</bean>
登录监控
@Component
public class StudentLoginEventListener implements ApplicationListener<LoginEvent>, ApplicationContextAware {
private Log logger = LogFactory.getLog(StudentLoginEventListener.class);
@Autowired
private StringRedisTemplate redisTemplate;
@Autowired
private RedisOperationsSessionRepository redisOperationsSessionRepository;
private ApplicationContext applicationContext;
@Override
public void onApplicationEvent(LoginEvent event) {
HttpSession session = (HttpSession) event.getSource();
//todo
}
@Override
public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
this.applicationContext = applicationContext;
}
}
退出监控
@Component
public class UserLogoutEventListener implements ApplicationListener<AbstractSessionEvent> {
private Log log = LogFactory.getLog(getClass());
@Autowired
private StringRedisTemplate redisTemplate;
@Autowired
private RedisOperationsSessionRepository redisOperationsSessionRepository;
@Override
public void onApplicationEvent(AbstractSessionEvent event) {
log.info("logout "+event.getClass());
if (event instanceof SessionDestroyedEvent || event instanceof SessionExpiredEvent || event instanceof SessionDeletedEvent) {
SessionDestroyedEvent sessionEvent = (SessionDestroyedEvent) event;
Session session = sessionEvent.getSession();
Object obj= session.getAttribute("sessionUser");
if(obj==null){
log.info("logout user is null");
}else{
//todo
}
}
}
}
辅助
public class AfterLoginFilter implements Filter, ApplicationEventPublisherAware {
private ApplicationEventPublisher applicationEventPublisher;
@Override
public void setApplicationEventPublisher(ApplicationEventPublisher applicationEventPublisher) {
this.applicationEventPublisher = applicationEventPublisher;
}
@Override
public void init(FilterConfig filterConfig) throws ServletException {
}
@Override
public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
throws IOException, ServletException {
chain.doFilter(request, response);
HttpServletRequest req = WebUtils.toHttp(request);
if (("POST".equalsIgnoreCase(req.getMethod()) || ("GET".equalsIgnoreCase(req.getMethod()) ) {
HttpSession session = req.getSession();
//todo
LoginEvent event = new LoginEvent(session);
applicationEventPublisher.publishEvent(event);
}
}
@Override
public void destroy() {
}
}
public class LoginEvent extends ApplicationEvent {
public LoginEvent(Object source) {
super(source);
}
}
