import org.redisson.api.RedissonClient;
import org.redisson.spring.cache.CacheConfig;
import org.redisson.spring.cache.RedissonSpringCacheManager;
import org.redisson.spring.data.connection.RedissonConnectionFactory;
import org.springframework.cache.CacheManager;
import org.springframework.cache.annotation.EnableCaching;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
 
import java.util.HashMap;
import java.util.Map;
 
/**
 * 将 Redisson 与 Spring Data Redis 库集成
 *
 * @author wency_cai
 */
@Configuration
@EnableCaching
public class RedissonConfig {
 
    /**
     * 在Spring上下文中注册RedissonConnectionFactory
     *
     * @param redisson
     * @return
     */
    @Bean
    public RedissonConnectionFactory redissonConnectionFactory(RedissonClient redisson) {
        return new RedissonConnectionFactory(redisson);
    }
 
    /**
     * 集成 Redisson ，使用 @Cacheable 做缓存必须要注入 CacheManager，否则会报错： key='' | keyGenerator='' | cacheManager='' | cacheResolver='' | condition='',true,false
     *
     * @param redissonClient
     * @return
     */
    @Bean
    public CacheManager cacheManager(RedissonClient redissonClient) {
        Map<String, CacheConfig> config = new HashMap<>();
        // 为特定缓存名称配置
        //config.put("myCache", new CacheConfig(60 * 60 * 1000, 30 * 60 * 1000)); // 1小时过期，30分钟后开始逐出
        return new RedissonSpringCacheManager(redissonClient, config);
    }
}
 

    @Bean
    public RedisCacheManager userRedisCacheManager(RedisConnectionFactory connectionFactory){
        Jackson2JsonRedisSerializer<Object> redisSerializer = new Jackson2JsonRedisSerializer<>(JsonMapperUtils.MAPPER, Object.class);
        RedisCacheConfiguration cacheConfiguration = RedisCacheConfiguration.defaultCacheConfig()
                // 设置Redis缓存有效期为1小时
                .entryTtl(Duration.ofSeconds(60 * 60))
                .serializeValuesWith(RedisSerializationContext.SerializationPair.fromSerializer(redisSerializer));
        return RedisCacheManager.builder(connectionFactory).cacheDefaults(cacheConfiguration).build();
    }