package com.flying.rabbitmq.api.dlx;import java.util.HashMap;
import java.util.Map;import com.rabbitmq.client.Channel;
import com.rabbitmq.client.Connection;
import com.rabbitmq.client.ConnectionFactory;
import com.rabbitmq.client.QueueingConsumer;
import com.rabbitmq.client.QueueingConsumer.Delivery;public class Consumer {public static void main(String[] args) throws Exception {ConnectionFactory connectionFactory = new ConnectionFactory();connectionFactory.setHost("192.168.11.76");connectionFactory.setPort(5672);connectionFactory.setVirtualHost("/");Connection connection = connectionFactory.newConnection();Channel channel = connection.createChannel();// 这就是一个普通的交换机 和 队列 以及路由String exchangeName = "test_dlx_exchange";String routingKey = "dlx.#";String queueName = "test_dlx_queue";channel.exchangeDeclare(exchangeName, "topic", true, false, null);Map<String, Object> agruments = new HashMap<String, Object>();agruments.put("x-dead-letter-exchange", "dlx.exchange");//这个agruments属性，要设置到声明队列上channel.queueDeclare(queueName, true, false, false, agruments);channel.queueBind(queueName, exchangeName, routingKey);//要进行死信队列的声明:channel.exchangeDeclare("dlx.exchange", "topic", true, false, null);channel.queueDeclare("dlx.queue", true, false, false, null);channel.queueBind("dlx.queue", "dlx.exchange", "#");channel.basicConsume(queueName, true, new MyConsumer(channel));}
}

package com.flying.rabbitmq.api.dlx;import java.io.IOException;import com.rabbitmq.client.AMQP;
import com.rabbitmq.client.Channel;
import com.rabbitmq.client.DefaultConsumer;
import com.rabbitmq.client.Envelope;public class MyConsumer extends DefaultConsumer {public MyConsumer(Channel channel) {super(channel);}@Overridepublic void handleDelivery(String consumerTag, Envelope envelope, AMQP.BasicProperties properties, byte[] body) throws IOException {System.err.println("-----------consume message----------");System.err.println("consumerTag: " + consumerTag);System.err.println("envelope: " + envelope);System.err.println("properties: " + properties);System.err.println("body: " + new String(body));}}

package com.flying.rabbitmq.api.dlx;import com.rabbitmq.client.AMQP;
import com.rabbitmq.client.Channel;
import com.rabbitmq.client.Connection;
import com.rabbitmq.client.ConnectionFactory;public class Producer {public static void main(String[] args) throws Exception {ConnectionFactory connectionFactory = new ConnectionFactory();connectionFactory.setHost("192.168.11.76");connectionFactory.setPort(5672);connectionFactory.setVirtualHost("/");Connection connection = connectionFactory.newConnection();Channel channel = connection.createChannel();String exchange = "test_dlx_exchange";String routingKey = "dlx.save";String msg = "Hello RabbitMQ DLX Message";for(int i =0; i<1; i ++){AMQP.BasicProperties properties = new AMQP.BasicProperties.Builder().deliveryMode(2).contentEncoding("UTF-8").expiration("10000").build();channel.basicPublish(exchange, routingKey, true, properties, msg.getBytes());}}
}