RabbitMQ消息发送

一、安装rabbitMQ、erlang

1.安装rabbitMQ、erlang下载地址

   rabbitMQ安装程序下载路径：Installing on Windows | RabbitMQ

   erlang环境安装程序下载路径：Downloads - Erlang/OTP

2.配置erlang

   环境变量中PATH中编辑添加erlang安装路径。如下图：

   

3.打开浏览器，访问服务器公网ip:15672

 

账号密码默认是guest

 

二、C#连接 RabbitMQ

        /// <summary>
        /// 获取rabbitmq信道
        /// </summary>
        /// <returns></returns>
        public static IConnection GetChannel()
        {
            //实例连接工厂
            ConnectionFactory factory = new ConnectionFactory();
            factory.HostName = HostName;//端口 15672
            factory.Port = Convert.ToInt16(Port);
            factory.UserName = UserName;//账号 
            factory.Password = Password;//密码
            factory.VirtualHost = VirtualHost;
            factory.Protocol = Protocols.DefaultProtocol;
            IConnection connection = factory.CreateConnection();
            return connection;
        }

三、发送消息

exchange 定义交换机

queue 定义队列

 

        private readonly static string exchange= "exchange_to_cs";  //定义交换机
        private readonly static string queue= "queue_to_cs";   //定义队列 
 /// <summary>
  /// 发布消息到MQ
  /// </summary>
  /// <param name="exchange">交换机</param>
  /// <param name="queue">队列</param>
  /// <param name="message">消息主体</param>
  /// <param name="error">失败返回错误内容</param>
  /// <returns>true成功,false失败</returns>
  public static bool PublishMessage(string exchange, string queue, string message, out string error)
  {
      try
      {
          error = string.Empty;
          //1.获取信道
          using (IConnection connction = RabbitMqUtils.GetChannel())
          {
              using (var channel = connction.CreateModel())
              {
                  //声明交换机
                  channel.ExchangeDeclare(exchange: exchange, type: "topic");
                  var queueNormalArgs = new Dictionary<string, object>(); { }
                  //声明队列
                  channel.QueueDeclare(queue: queue, durable: true, exclusive: false, autoDelete: false, arguments: queueNormalArgs);

                  //为队列绑定交换机
                  channel.QueueBind(queue: queue, exchange: exchange, routingKey: "#");

                  //开启发布确认 
                  channel.ConfirmSelect();
                  //编码
                  var _message = Encoding.UTF8.GetBytes(message);
                  //发布消息
                  IBasicProperties props = channel.CreateBasicProperties();
                  props.Persistent = true; //设置消息持久化
                  channel.BasicPublish(exchange, queue, props, body: _message);
                  bool isok = channel.WaitForConfirms(new TimeSpan(0, 0, 15)); //逐条确认
                  if (!isok)
                  {
                      error = "rabbitmq服务器异常";
                      return false;

                  }
              }
          }
          return true;
      }
      catch (Exception ex)
      {
          error = ex.Message;
          return false;
      }
  }