SpringBoot集成Redis

引入依赖

建议使用 Lettuce 连接驱动

		

		
        <dependency>
            <groupId>org.springframework.bootgroupId>
            <artifactId>spring-boot-starter-data-redisartifactId>
        dependency>

        
        <dependency>
            <groupId>org.apache.commonsgroupId>
            <artifactId>commons-pool2artifactId>
        dependency>

配置文件

spring:
  redis:
    # 集群
    cluster:
      # 集群地址
      nodes:
        redis:7000,redis:7001,redis:7002,redis:7003,redis:7004,redis:7005 # redis换成ip

    # 连接驱动
    lettuce:
      # 连接池配置
      pool:
        # 最大空闲连接
        max-idle: 8
        # 最大连接数
        max-active: 8
        # 最小空闲连接
        min-idle: 2
        # 最大建立连接等待时间
        max-wait: 1ms

配置类

配置文件读取类

@ConfigurationProperties(prefix = "spring.redis.cluster")
@Component
@Data
public class RedisProperties {

     // 集群节点列表
    private String nodes;

}

/**
 *  Redis连接池配置信息读取类
 */
@Component
@ConfigurationProperties(prefix = "spring.redis.lettuce.pool")
@Data
public class RedisPoolProperties {

    // 最大空闲连接
    private Integer maxIdle;
    // 最小空闲连接
    private Integer minIdle;
    // 最大连接数
    private Integer maxActive;
    // 最大建立连接等待时间
    private Duration maxWait;
}

配置文件Config

@Configuration
public class RedisConfig {

    // Redis配置信息读取类
    @Resource
    private RedisProperties redisProperties;

    // 连接池配置信息读取类
    @Resource
    private RedisPoolProperties redisPoolProperties;

    @Bean
    public RedisTemplate<String, Object> redisTemplate() {

        RedisTemplate<String, Object> redisTemplate = new RedisTemplate<>();

        // key,value序列化配置
        /* **********************
         *
         * 常用的RedisSerializer
         *
         * 1. Jackson2JsonRedisSerializer
         * 2. GenericFastJsonRedisSerializer 或 FastJsonRedisSerializer (fastJson2)
         * 3. StringRedisSerializer (只能支持String)
         * *********************/

        redisTemplate.setKeySerializer(new StringRedisSerializer());
        redisTemplate.setValueSerializer(new GenericFastJsonRedisSerializer());

        // 连接驱动的配置
        redisTemplate.setConnectionFactory(lettuceConnectionFactory());

        return redisTemplate;

    }

    /**
     * Lettuce连接驱动的配置
     */
    @Bean
    public LettuceConnectionFactory lettuceConnectionFactory() {

        // redis集群的配置
        Map<String, Object> map = new HashMap<>();
        map.put("spring.redis.cluster.nodes", redisProperties.getNodes());

        RedisClusterConfiguration redisClusterConfiguration =
                new RedisClusterConfiguration(
                        new MapPropertySource(
                                "RedisClusterConfiguration",
                                map)
                );

        /* **********************
         *
         * redis集群方式的不同，需要使用对应的Redis配置实现类
         *
         * RedisClusterConfiguration: 集群
         * RedisSentinelConfiguration： 哨兵
         * RedisStandaloneConfiguration：单机
         *
         * *********************/

        // Lettuce连接池的配置
        GenericObjectPoolConfig genericObjectPoolConfig = new GenericObjectPoolConfig();
        genericObjectPoolConfig.setMaxWait(redisPoolProperties.getMaxWait());
        genericObjectPoolConfig.setMinIdle(redisPoolProperties.getMinIdle());
        genericObjectPoolConfig.setMaxTotal(redisPoolProperties.getMaxActive());
        genericObjectPoolConfig.setMaxWait(redisPoolProperties.getMaxWait());

        LettucePoolingClientConfiguration lettucePoolingClientConfiguration =
                LettucePoolingClientConfiguration.builder()
                        .poolConfig(genericObjectPoolConfig)
                        .build();


        return new LettuceConnectionFactory(
                redisClusterConfiguration,
                lettucePoolingClientConfiguration);
    }
}

工具类

/**
 * Redis工具类
 */
@Component
public class RedisUtil {

    @Resource
    private RedisTemplate<String, Object> redisTemplate;


    public void stringSet(String key, Object value) {
        redisTemplate.opsForValue().set(key, value);
    }


    public Object stringGet(String key) {
        return redisTemplate.opsForValue().get(key);
    }


    public void hashSet(String key, Map<String, Object> map) {
        redisTemplate.opsForHash().putAll(key, map);
    }

    public Object hashGet(String key, String hashKey) {
        return redisTemplate.opsForHash().get(key, hashKey);
    }
}