RabbitMQ Headers Exchange示例

（1）、发布者

 1             var connectionFactory = new ConnectionFactory() { HostName="192.168.205.128",UserName="guest",Password="guest"};  //创建连接工厂
 2             var connection = connectionFactory.CreateConnection();  //创建connection
 3             var channel = connection.CreateModel(); //创建channel
 4             //声明交换机
 5             //String exchange,   交换机名称
 6             //String type,  交换机类型
 7             //Boolean durable, 是否持久化
 8             //Boolean autoDelete,   是否自动删除
 9             //IDictionary< String, Object > arguments   交换机参数
10             channel.ExchangeDeclare("headersExchange", ExchangeType.Headers, true, false, null);
11             //声明队列
12             //String queue, 队列名称
13             //Boolean durable,  是否持久化
14             //Boolean exclusive,    是否专有的（排外）
15             //Boolean autoDelete,   是否自动删除
16             //IDictionary<String, Object> arguments 队列参数
17             channel.QueueDeclare("headersQueue", true, false, false, null);
18             //将队列绑定到交换机上
19             //String queue,   队列名称  
20             //String exchange,  交换机名称
21             //String routingKey,    routingKey
22             //IDictionary< String, Object > arguments   绑定参数
23             IDictionary<String, Object> arguments = new Dictionary<String, Object>()
24             {
25                 {"x-match","any"},   //设置x-match属性为any，即头信息中只要有一个匹配就可以了
26                 { "username","fanqi"}
27             };
28             channel.QueueBind("headersQueue", "headersExchange", string.Empty, arguments);
29 
30             //设置消息属性
31             var properties = channel.CreateBasicProperties();
32             properties.Headers = new Dictionary<String, Object>();
33             properties.Headers.Add("username", "fanqi");
34 
35             //发布消息
36             //String exchange,  交换机名称
37             //String routingKey,    routingKey
38             //IBasicProperties basicProperties,     发布属性
39             //Byte[] body   消息内容
40             channel.BasicPublish("headersExchange", string.Empty, properties, Encoding.UTF8.GetBytes("来自.net的问候"));
41             Console.ReadKey();

（2）、接收者

 1             var connectionFactory = new ConnectionFactory() { HostName = "192.168.205.128", UserName = "guest", Password = "guest" };  //创建连接工厂
 2             var connection = connectionFactory.CreateConnection();  //创建connection
 3             var channel = connection.CreateModel(); //创建channel
 4             //声明交换机
 5             //String exchange,   交换机名称
 6             //String type,  交换机类型
 7             //Boolean durable, 是否持久化
 8             //Boolean autoDelete,   是否自动删除
 9             //IDictionary< String, Object > arguments   交换机参数
10             channel.ExchangeDeclare("headersExchange", ExchangeType.Headers, true, false, null);
11             //声明队列
12             //String queue, 队列名称
13             //Boolean durable,  是否持久化
14             //Boolean exclusive,    是否专有的（排外）
15             //Boolean autoDelete,   是否自动删除
16             //IDictionary<String, Object> arguments 队列参数
17             channel.QueueDeclare("headersQueue", true, false, false, null);
18             //将队列绑定到交换机上
19             //String queue,   队列名称  
20             //String exchange,  交换机名称
21             //String routingKey,    routingKey
22             //IDictionary< String, Object > arguments   绑定参数
23 
24             IDictionary<String, Object> arguments = new Dictionary<String, Object>()
25             {
26                 {"x-match","any"},  //设置x-match属性为any，即头信息中只要有一个匹配就可以了
27                 { "username","fanqi"}
28             };
29             channel.QueueBind("headersQueue", "headersExchange", string.Empty, arguments);
30             //1.直接获取消息
31             //var result = channel.BasicGet("headersQueue", true);
32             //Console.WriteLine(Encoding.UTF8.GetString(result.Body));
33             //2.使用事件机制获取消息
34             EventingBasicConsumer consumer = new EventingBasicConsumer(channel);
35             consumer.Received += (sender, e) =>
36             {
37                 Console.WriteLine(Encoding.UTF8.GetString(e.Body));
38             };
39             channel.BasicConsume("headersQueue", true, consumer);
40             Console.ReadKey();