RabbitMq C#（一） HelloWorld（本机）

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本文介绍如何使用C#与RabbitMQ进行消息传递。包括创建生产者和消费者应用程序的具体步骤，通过NuGet安装RabbitMQ客户端，并展示了如何发送与接收消息。

原文：http://rabbitmq.mr-ping.com/tutorials_with_csharp/HelloWorld.html

1、启动mq；

2、创建C#控制台程序生产者（product.exe），用nuget引入RabbitMq；

using RabbitMQ.Client;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

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

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

                channel.BasicPublish(exchange: "",
                                     routingKey: "hello",
                                     basicProperties: null,
                                     body: body);
                Console.WriteLine(" [x] Sent {0}", message);
            }

            //Console.WriteLine(" Press [enter] to exit.");
            //Console.ReadLine();
        }
    }
}

3、创建消费者C#控制台程序（Consumer.exe)，nuget引入rabbitMq：

using RabbitMQ.Client;
using RabbitMQ.Client.Events;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace TestMq_Consumer
{
    class Program
    {
        static void Main(string[] args)
        {
            var factory = new ConnectionFactory() { HostName = "localhost" };
            using (var connection = factory.CreateConnection())
            using (var channel = connection.CreateModel())
            {
                channel.QueueDeclare(queue: "hello",
                                     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(" [x] Received {0}", message);
                };
                channel.BasicConsume(queue: "hello",
                                     autoAck: true,
                                     consumer: consumer);

                Console.WriteLine(" Press [enter] to exit.");
                Console.ReadLine();
            }
        }
    }
}

4、编译好后，首先启动product.exe ，则发送了一条消息到mq；然后启动Consumer.exe，则得到了刚才的消息。