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