RabbitMQ Headers Exchange示例

（1）、发布者

             var connectionFactory = new ConnectionFactory() { HostName="192.168.205.128",UserName="guest",Password="guest"};  //创建连接工厂
             var connection = connectionFactory.CreateConnection();  //创建connection
             var channel = connection.CreateModel(); //创建channel
             //声明交换机
             //String exchange,   交换机名称
             //String type,  交换机类型
             //Boolean durable, 是否持久化
             //Boolean autoDelete,   是否自动删除
             //IDictionary< String, Object > arguments   交换机参数
             channel.ExchangeDeclare("headersExchange", ExchangeType.Headers, true, false, null);
             //声明队列
             //String queue, 队列名称
             //Boolean durable,  是否持久化
             //Boolean exclusive,    是否专有的（排外）
             //Boolean autoDelete,   是否自动删除
             //IDictionary<String, Object> arguments 队列参数
             channel.QueueDeclare("headersQueue", true, false, false, null);
             //将队列绑定到交换机上
             //String queue,   队列名称
             //String exchange,  交换机名称
             //String routingKey,    routingKey
             //IDictionary< String, Object > arguments   绑定参数
             IDictionary<String, Object> arguments = new Dictionary<String, Object>()
             {
                 {"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
                 { "username","fanqi"}
             };
             channel.QueueBind("headersQueue", "headersExchange", string.Empty, arguments);

             //设置消息属性
             var properties = channel.CreateBasicProperties();
             properties.Headers = new Dictionary<String, Object>();
             properties.Headers.Add("username", "fanqi");

             //发布消息
             //String exchange,  交换机名称
             //String routingKey,    routingKey
             //IBasicProperties basicProperties,     发布属性
             //Byte[] body   消息内容
             channel.BasicPublish("headersExchange", string.Empty, properties, Encoding.UTF8.GetBytes("来自.net的问候"));
             Console.ReadKey();

（2）、接收者

             var connectionFactory = new ConnectionFactory() { HostName = "192.168.205.128", UserName = "guest", Password = "guest" };  //创建连接工厂
             var connection = connectionFactory.CreateConnection();  //创建connection
             var channel = connection.CreateModel(); //创建channel
             //声明交换机
             //String exchange,   交换机名称
             //String type,  交换机类型
             //Boolean durable, 是否持久化
             //Boolean autoDelete,   是否自动删除
             //IDictionary< String, Object > arguments   交换机参数
             channel.ExchangeDeclare("headersExchange", ExchangeType.Headers, true, false, null);
             //声明队列
             //String queue, 队列名称
             //Boolean durable,  是否持久化
             //Boolean exclusive,    是否专有的（排外）
             //Boolean autoDelete,   是否自动删除
             //IDictionary<String, Object> arguments 队列参数
             channel.QueueDeclare("headersQueue", true, false, false, null);
             //将队列绑定到交换机上
             //String queue,   队列名称
             //String exchange,  交换机名称
             //String routingKey,    routingKey
             //IDictionary< String, Object > arguments   绑定参数

             IDictionary<String, Object> arguments = new Dictionary<String, Object>()
             {
                 {"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
                 { "username","fanqi"}
             };
             channel.QueueBind("headersQueue", "headersExchange", string.Empty, arguments);
             //1.直接获取消息
             //var result = channel.BasicGet("headersQueue", true);
             //Console.WriteLine(Encoding.UTF8.GetString(result.Body));
             //2.使用事件机制获取消息
             EventingBasicConsumer consumer = new EventingBasicConsumer(channel);
             consumer.Received += (sender, e) =>
             {
                 Console.WriteLine(Encoding.UTF8.GetString(e.Body));
             };
             channel.BasicConsume("headersQueue", true, consumer);
             Console.ReadKey();