RabbitMQ

/// <summary>
/// 根据队列名称获取消息
/// </summary>
/// <param name="queueName">队列名称</param>
/// <param name="exchangeName">交换机名称</param>
/// <param name="exchangeType">模式fanout(广播)</param>
public void ReadRabbitMQ(string queueName, string exchangeName, string exchangeType = "fanout")
{
using (var connection = _connectionFactory.CreateConnection())
{
using (var channel = connection.CreateModel())
{
int i = 1;
channel.ExchangeDeclare(exchangeName, exchangeType);
channel.QueueDeclare(queueName, true, false, false, null);
channel.BasicQos(prefetchSize: 0, prefetchCount: 1, global: false);//告诉broker同一时间只处理一个消息
var consumer = new EventingBasicConsumer(channel);
consumer.Received += (model, ea) =>
{
var msgBody = Encoding.UTF8.GetString(ea.Body);
Console.WriteLine(" [读取队列：{0}] {1}",queueName,msgBody + "---读取第：" + i + " 条");
int dots = msgBody.Split('.').Length - 1;
Console.WriteLine(" 消息读取完成..................");
/********************************处理业务数据*******************************/
switch (queueName)
{

case "SALE_ORDER":
try
{
this.onSaveChangeBusiness += new SaveChangeBusiness(ORDER.ReceiveSaleOrder);
var res = this.ActionEvent(msgBody);//触发事件
Console.WriteLine(DateTime.Now.ToString()+"-执行结果：" + (res > 0 ? "[Success]" : "[Error]") + " ");
//channel.BasicAck(deliveryTag: ea.DeliveryTag, multiple: false); //临时测试方法
MessageDispose(channel, ea, res, msgBody);

}
catch (Exception ex)
{
//消息的拒收并重回队列--重要标识
Console.WriteLine(ex.Message);
channel.BasicReject(ea.DeliveryTag, true);
throw;
}
break;

}
Thread.Sleep(500);
/********************************处理业务数据*******************************/
i++;
};

//noAck设置false,告诉broker，发送消息之后，消息暂时不要删除，等消费者处理完成再说
channel.BasicConsume(queueName, noAck: false, consumer: consumer);
//Console.WriteLine("MQ消息监听程序已运行....");
Console.ReadLine();
}
}
}

/// <summary>
/// 生产MQ--写入
/// </summary>
/// <param name="message">消息</param>
/// <param name="queueName">队列名称</param>
/// <param name="exchangeName">交换器名称</param>
/// <param name="exchangeType">交换器类型</param>
/// <param name="routingKey">路由</param>
public int ProducersMQ(string message, string queueName, string exchangeName, string exchangeType, string routingKey = "*")
{
int ret = -1;
try
{
using (var connection = _connectionFactory.CreateConnection())
{
using (var channel = connection.CreateModel())
{
lock (channel)
{
channel.ExchangeDeclare(exchangeName, exchangeType, true, false, null);
channel.QueueDeclare(queueName, true, false, false, null);
//绑定消息队列，交换器，routingkey
channel.QueueBind(queueName, exchangeName, routingKey);
//写入消息编码格式化
var body = Encoding.UTF8.GetBytes(message);
IBasicProperties properties = channel.CreateBasicProperties();
properties.Persistent = true;//持久化
channel.BasicPublish(exchangeName, queueName, properties, body);
}

}
}
ret = 1;
}
catch (Exception)
{
ret = -1;
}
return ret;

}