消息队列-rabbitmq

//生产者
using System;
using System.Text;
using Microsoft.AspNetCore.Mvc;
using RabbitMQ.Client;

namespace App.Controllers
{
    public class ProducerController:Controller
    {
        public void SendMessage(string message)
        {
            var factory = new ConnectionFactory(){HostName = "localhost"};
            using(var connection = factory.CreateConnection())
            {
                using(var channel = connection.CreateModel())
                {
                    channel.QueueDeclare(queue: "demo",
                                 durable: true,
                                 exclusive: false,
                                 autoDelete: false,
                                 arguments: null);
                    var body = Encoding.UTF8.GetBytes(message);
                    var properties = channel.CreateBasicProperties();
                    properties.Persistent = true;//持久化设置，配合durable: true可以保证队列挂了之后队列中的消息不回丢失
                    channel.BasicPublish(exchange: "",
                                        routingKey: "demo",
                                        basicProperties: properties,
                                        body: body);
                }
            }
        }
    }
}

//消费者
using System;
using System.Text;
using System.Threading;
using RabbitMQ.Client;
using RabbitMQ.Client.Events;

namespace 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: "demo",
                                     durable: true,
                                     exclusive: false,
                                     autoDelete: false,
                                     arguments: null);
                channel.BasicQos(prefetchSize: 0, prefetchCount: 1, global: false);//一次接受一个消息来消费
                var consumer = new EventingBasicConsumer(channel);
                consumer.Received += (model, ea) =>
                {
                    var body = ea.Body;
                    var message = Encoding.UTF8.GetString(body);
                    Console.WriteLine(" [2222222x] Received {0}", message);
                    Thread.Sleep(8000);
                    channel.BasicAck(deliveryTag: ea.DeliveryTag, multiple: false);
                };
                channel.BasicConsume(queue: "demo",
                                     autoAck: false,
                                     consumer: consumer);

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