一、在pom.xml添加springsession

? 1 2 3 4 5 6 <!--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

? 1 2 3 4 5 <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

? 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 <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

原文链接：https://blog.csdn.net/qq_38553333/article/details/80117300