public class RabbitMqHelper
     {
         
         /// <summary>
         /// 创建连接
         /// </summary>
         /// <returns></returns>
         public IConnection GetConnection()
         {
             try
             {
                 var factory = new ConnectionFactory()
                 {
                     HostName = "127.0.0.1",
                     Port = 5672,
                     UserName = "guest",
                     Password = "guest",
                     VirtualHost = "/ShortMsgHost"
                 };
                 var conn = factory.CreateConnection();
                 return conn;
             }
             catch (Exception ex) {
                 throw ex;
             }
         }
 
    
 
     }

     public class RabbmitMqSendHelper : RabbitMqHelper
     {
         /// <summary>
         /// 发送消息
         /// </summary>
         /// <param name="msg"></param>
         /// <returns></returns>
         public bool SendMsg(string msg)
         {
             try
             {
                 using (var conn = GetConnection())
                 {
                     using (var channel = conn.CreateModel())
                     {
                         channel.QueueDeclare(queue: "ShortMsgQueue",
                                      durable: true,
                                      exclusive: false,
                                      autoDelete: false,
                                      arguments: null);
                         var body = Encoding.UTF8.GetBytes(msg);
 
                         channel.BasicPublish(exchange: "amq.direct",
                                              routingKey: "ShortMsgKey",
                                              basicProperties: null,
                                              body: body);
 
                         //Console.WriteLine(" [x] Sent {0}", message);
                     };
                 };
                 return true;
             }
             catch (Exception ex)
             {
                 throw ex;
             }
         }
     }

     public class RabbitMqReceiveHelper : RabbitMqHelper
     {
         public RabbitMqReceiveEventHandler OnReceiveEvent;
 
         private IConnection conn;
 
         private IModel channel;
 
         private EventingBasicConsumer consumer;
 
         public bool StartReceiveMsg()
         {
             try
             {
                 conn = GetConnection();
 
                 channel = conn.CreateModel();
 
                 channel.QueueDeclare(queue: "ShortMsgQueue",
                                 durable: true,
                                 exclusive: false,
                                 autoDelete: false,
                                 arguments: null);
 
                 consumer = new EventingBasicConsumer(channel);
                 consumer.Received += (model, ea) =>
                 {
                     var body = ea.Body.ToArray();
                     var message = Encoding.UTF8.GetString(body);
                     //Console.WriteLine(" [x] Received {0}", message);
                     if (OnReceiveEvent != null)
                     {
                         OnReceiveEvent(message);
                     }
                 };
                 channel.BasicConsume(queue: "ShortMsgQueue",
                                         autoAck: true,
                                         consumer: consumer);
                 return true;
             }
             catch (Exception ex)
             {
                 throw ex;
             }
         }
     }