1 public void BackupMethod()
2 {
3 string queueName = "BACKUP_QUEUE";
4 string exchangeName = "BACKUP_EXCHANGE";
5 string backupQueue = "BACKUP_QUEUE_D";
6 string backupExchangeName = "ALTERNATE_EXCHNAGE";
7 string routeKey = "BACKUP_ROUTEKEY";
8 using (var connection = RabbitMQHelper.GetConnection("192.168.3.200", 5671))
9 {
10 using (var channel = connection.CreateModel())
11 {
12 // 声明交互交换机[指定备份交换机]
13 Dictionary<string, object> argument = new ();
14 argument.Add("alternate-exchange", backupExchangeName);
15 channel.ExchangeDeclare(exchangeName, ExchangeType.Direct, false, false, argument);
16 // 声明备份交互机
17 channel.ExchangeDeclare(backupExchangeName, ExchangeType.Fanout, false, false, null);
18 // 声明队列
19 channel.QueueDeclare(queueName, false, false, false, null);
20 // 声明备份队列
21 channel.QueueDeclare(backupQueue, false, false, false, null);
22
23 // 绑定队列
24 channel.QueueBind(queueName, exchangeName, routeKey);
25 channel.QueueBind(backupQueue, backupExchangeName, "");
26
27 //发送数据
28 for (int i = 0; i < 10; i++)
29 {
30 // 消息内容
31 string message = "This is Backup Exchange Model-->"+i;
32 var body = Encoding.UTF8.GetBytes(message);
33 //指定发送消息到哪个路由，以及他的路由键,消息等
34 if (i % 2 == 0)
35 {
36 channel.BasicPublish(exchangeName, routeKey, null, body);
37 }
38 else
39 {
40 //匹配不到队列[如果路由key找不到队列则启用备用交换机]
41 channel.BasicPublish(exchangeName, "kkkk", null, body);
42 }
43 Console.WriteLine(" [x] Sent '" + message + "'");
44 Thread.Sleep(200);
45 }
46 }
47 }
48 }
