using (var connection = _factory.CreateConnection())
            using (var channel = connection.CreateModel())
            {
                channel.ExchangeDeclare(exchange: exchangeName,
                                   type: "direct", durable: true);

                string queue = string.Empty;

                //如果不显示声明队列，则每个消费者都会创建一个新的队列
                if (string.IsNullOrEmpty(queueName))
                {
                    queue = channel.QueueDeclare().QueueName;
                }
                else
                {
                    queue = queueName;
                }

                channel.QueueBind(queue: queue,
                                exchange: exchangeName,
                                routingKey: routingKey);

                //每次处理单个Message
                channel.BasicQos(prefetchSize: 0, prefetchCount: 1, global: false);

                var consumer = new EventingBasicConsumer(channel);

                channel.BasicConsume(queue: queue,
                                         noAck: false,
                                         consumer: consumer);//返回通知才删除队列

                consumer.Received += (model, ea) =>
                {
                    var body = ea.Body;
                    var message = Encoding.UTF8.GetString(body);
                    T obj = JsonConvert.DeserializeObject<T>(message);
                    handle(obj);
                    channel.BasicAck(deliveryTag: ea.DeliveryTag, multiple: false);//返回通知删除
                };
                Console.ReadLine(); 
            }