SpringMVC整合SpringSession 实现sessiong

一、在pom.xml添加springSession

    <!--springSession--> 
    <dependency> 
      <groupId>org.springframework.session</groupId> 
      <artifactId>spring-session-data-redis</artifactId> 
      <version>1.2.0.RELEASE</version> 
    </dependency> 

二、确保spring是4.3.10.RELEASE版本以上

<dependency> 
  <groupId>org.springframework</groupId> 
  <artifactId>spring-context</artifactId> 
  <version>4.3.10.RELEASE</version> 
</dependency> 

三、applicationContext.xml文件中添加四个bean类

<bean id="redisHttpSessionConfiguration" class="org.springframework.session.data.redis.config.annotation.web.http.RedisHttpSessionConfiguration"> 
  <property name="maxInactiveIntervalInSeconds" value="180"></property> 
</bean> 
<bean id="jedisPoolConfig" class="redis.clients.jedis.JedisPoolConfig"> 
</bean> 
<bean id="jedisConnectionFactory" 
   class="org.springframework.data.redis.connection.jedis.JedisConnectionFactory"> 
  <property name="hostName" value="127.0.0.1"></property> 
  <property name="port" value="6379"></property> 
  <property name="poolConfig" ref="jedisPoolConfig"></property> 
</bean> 
<bean id="defaultCookieSerializer" 
   class="org.springframework.session.web.http.DefaultCookieSerializer"> 
  <property name="cookieName" value="springSession"></property> 
  <property name="cookiePath" value="/"></property> 
  <property name="cookieMaxAge" value="3600"/> 
  <property name="useHttpOnlyCookie" value="true"/> 
  <property name="domainName" value=".qs.com"/> 
</bean> 

这样就可以实现session共享，Nginx下的tomcat集群也是这样的

原理就是：通过SpringSession对servlet带的session进行封装，接管session