RabbitMQ publisher -多个订阅者-如何在.Net中设置？

using RabbitMQ.Client;
using System;
using System.Text;

class Program
{
    static void Main()
    {
        var factory = new ConnectionFactory() { HostName = "localhost" };
        using (var connection = factory.CreateConnection())
        using (var channel = connection.CreateModel())
        {
            channel.QueueDeclare(queue: "my_queue",
                                 durable: false,
                                 exclusive: false,
                                 autoDelete: false,
                                 arguments: null);

            string message = "Hello RabbitMQ!";
            var body = Encoding.UTF8.GetBytes(message);

            channel.BasicPublish(exchange: "",
                                 routingKey: "my_queue",
                                 basicProperties: null,
                                 body: body);

            Console.WriteLine("Message sent: {0}", message);
        }

        Console.WriteLine("Press any key to exit.");
        Console.ReadKey();
    }
}

using RabbitMQ.Client;
using RabbitMQ.Client.Events;
using System;
using System.Text;

class Program
{
    static void Main()
    {
        var factory = new ConnectionFactory() { HostName = "localhost" };
        using (var connection = factory.CreateConnection())
        using (var channel = connection.CreateModel())
        {
            channel.QueueDeclare(queue: "my_queue",
                                 durable: false,
                                 exclusive: false,
                                 autoDelete: false,
                                 arguments: null);

            var consumer = new EventingBasicConsumer(channel);
            consumer.Received += (model, ea) =>
            {
                var body = ea.Body.ToArray();
                var message = Encoding.UTF8.GetString(body);
                Console.WriteLine("Message received: {0}", message);
            };

            channel.BasicConsume(queue: "my_queue",
                                 autoAck: true,
                                 consumer: consumer);

            Console.WriteLine("Press any key to exit.");
            Console.ReadKey();
        }
    }
}