/// <summary>
        /// 得到RabbitMQ的Meta信息
        /// </summary>
        /// <param name="t">实体类型</param>
        /// <param name="exchangeName">Exchange名称</param>
        /// <param name="exchangeType">ExchangeType名称</param>
        /// <param name="queueName">Queue名称</param>
        /// <param name="routingKey">RoutingKey名称</param>
        /// <param name="type">type名称(EasyNetQ中.NET类型完全限定名)</param>
        public static void GetMetaInfo(Type t, out string exchangeName, out string exchangeType, out string queueName, out string routingKey, out string type)
        {
            RabbitMQMetaAttribute attribute = GetMetaAttribute(t);

            exchangeName = attribute.ExchangeName;
            exchangeType = attribute.ExchangeType;
            queueName    = attribute.QueueName;
            routingKey   = attribute.RoutingKey;
            type         = attribute.Type;
        }
        /// <summary>
        /// 得到RabbitMQ的Meta信息
        /// </summary>
        /// <param name="type">实体类型</param>
        /// <returns></returns>
        private static RabbitMQMetaAttribute GetMetaAttribute(Type type)
        {
            RabbitMQMetaAttribute attribute = type.GetCustomAttributes(typeof(RabbitMQMetaAttribute), true).FirstOrDefault() as RabbitMQMetaAttribute;

            return(attribute ?? new RabbitMQMetaAttribute());
        }