<dependency>

            <groupId>org.springframework.boot</groupId>

            <artifactId>spring-boot-starter-data-redis</artifactId>

        </dependency>

<dependency>

            <groupId>org.springframework.session</groupId>

            <artifactId>spring-session-data-redis</artifactId>

        </dependency>

import org.springframework.beans.factory.annotation.Value;

import org.springframework.cache.annotation.CachingConfigurerSupport;

import org.springframework.context.annotation.Bean;

import org.springframework.context.annotation.Configuration;

import redis.clients.jedis.JedisPoolConfig;

import redis.clients.jedis.JedisShardInfo;

import redis.clients.jedis.ShardedJedisPool;

import java.util.ArrayList;

import java.util.List;

@Configuration

public class RedisConfig extends CachingConfigurerSupport {

    @Value("${redis.host}")

    private String host;

    @Value("${redis.port}")

    private Integer port;

    @Value("${redis.maxTotal}")

    private Integer maxTotal;

    @Value("${redis.maxIdle}")

    private Integer maxIdle;

    @Value("${redis.maxWaitMillis}")

    private Long maxWaitMillis;

    @Bean

    public ShardedJedisPool shardedJedisPool() {

        JedisPoolConfig jedisPoolConfig = new JedisPoolConfig();

        jedisPoolConfig.setMaxTotal(maxTotal);

        jedisPoolConfig.setMaxIdle(maxIdle);

        jedisPoolConfig.setMaxWaitMillis(maxWaitMillis);

        List<JedisShardInfo> jedisShardInfos = new ArrayList<>();

        jedisShardInfos.add(new JedisShardInfo(host,port));

        return  new ShardedJedisPool(jedisPoolConfig, jedisShardInfos);

    }

}

import org.springframework.context.annotation.Configuration;

import org.springframework.session.data.redis.config.annotation.web.http.EnableRedisHttpSession;

/**

 * session共享

 */

@Configuration

@EnableRedisHttpSession(maxInactiveIntervalInSeconds=60*60)

public class RedisSessionConfig {

}