RabbitMQ 一个demo
Code:
using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading; using System.Threading.Tasks; using RabbitMQ.Client; using RabbitMQ.Client.Events; using System.IO; namespace ConsoleDemo { class Program { static void Main(string[] args) { //step1 new Thread(Provider.Write).Start(); new Thread(Provider.Write).Start(); new Thread(Provider.Write).Start(); //step2(写入不能多线程,会冲突) new Thread(Consumer.Read).Start(); } } public class Provider { public static void Write() { var factory = new ConnectionFactory() { HostName = "localhost", UserName = "qhong", Password = "hongdada", }; using (var connection = factory.CreateConnection()) using (var channel = connection.CreateModel()) { channel.QueueDeclare(queue: "writeLog", durable: false, exclusive: false, autoDelete: false, arguments: null); for (int i = 0; i < 1994; i++) { string message = i.ToString(); var body = Encoding.UTF8.GetBytes(message); channel.BasicPublish(exchange: "", routingKey: "writeLog", basicProperties: null, body: body); Console.WriteLine("Program Sent {0}", message); } } } } public class Consumer { public static void Read() { var factory = new ConnectionFactory() { HostName = "localhost", UserName = "qhong", Password = "hongdada", VirtualHost = "/" }; using (var connection = factory.CreateConnection()) using (var channel = connection.CreateModel()) { channel.QueueDeclare(queue: "writeLog", durable: false, exclusive: false, autoDelete: false, arguments: null); var consumer = new EventingBasicConsumer(channel); consumer.Received += (model, ea) => { var body = ea.Body; var message = Encoding.UTF8.GetString(body); ExcuateWriteFile(message); Console.WriteLine(" Receiver Received {0}", message); }; channel.BasicConsume(queue: "writeLog", noAck: true, consumer: consumer); Console.WriteLine(" Press [enter] to exit."); Console.ReadLine(); } } public static void ExcuateWriteFile(string i) { using (FileStream fs = new FileStream(@"d:\\test.txt", FileMode.Append)) { using (StreamWriter sw = new StreamWriter(fs, Encoding.Unicode)) { sw.WriteLine(i); } } } } }
分成2步执行,第一步生产者往队列里面添加数据
第二步,消费者读取队列里面的数据并写入文件test.txt
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