static RedisFactory()
        {
            CacheSetting cacheSetting = CacheSetting.GetInstance();

            if (cacheSetting != null)
            {
                var connectionPools = new CustomShardedConnectionPool[cacheSetting.Pools.Count];
                int index           = 0;
                foreach (CacheSetting.PoolConfig poolConfig in cacheSetting.Pools)
                {
                    long initalDb = poolConfig.Db ?? 0L;
                    RedisClientManagerConfig config = poolConfig.MaxReadPoolSize.HasValue || poolConfig.MaxWritePoolSize.HasValue?new RedisClientManagerConfig():null;
                    if (config != null)
                    {
                        config.MaxReadPoolSize = poolConfig.MaxReadPoolSize.HasValue
                            ? poolConfig.MaxReadPoolSize.Value
                            : 50;
                        config.MaxWritePoolSize = poolConfig.MaxWritePoolSize.HasValue
                            ? poolConfig.MaxWritePoolSize.Value
                            : 50;
                    }
                    var pool = new CustomShardedConnectionPool(poolConfig.Name, poolConfig.Weight, config, initalDb,
                                                               poolConfig.Hosts);
                    pool.PoolTimeout          = poolConfig.PoolTimeout ?? 1000;
                    pool.ConnectTimeout       = poolConfig.ConnectTimeout;
                    pool.SocketSendTimeout    = poolConfig.SocketSendTimeout;
                    pool.SocketReceiveTimeout = poolConfig.SocketReceiveTimeout;

                    connectionPools[index] = pool;
                    index++;
                }
                RedisClientManager = new AutoDetectShardedRedisClientManager(connectionPools);
            }
        }
        /// <summary>
        /// 通过Key映射得到RedisClient对象
        /// </summary>
        /// <param name="key"></param>
        /// <returns></returns>
        public static IRedisClient CreateClient(string key)
        {
            if (RedisClientManager == null)
            {
                return(null);
            }

            CustomShardedConnectionPool pool = RedisClientManager.GetConnectionPool(key); //通过key映射到指定的连接池

            return(pool != null?pool.GetClient() : null);
        }