package cn.lastwhisper.rabbitmq.api.dlx; import cn.lastwhisper.rabbitmq.common.Constant; import com.rabbitmq.client.Channel; import com.rabbitmq.client.Connection; import com.rabbitmq.client.ConnectionFactory; import java.util.HashMap; import java.util.Map; public class Consumer { public static void main(String[] args) throws Exception { ConnectionFactory connectionFactory = new ConnectionFactory(); connectionFactory.setHost(Constant.ip); connectionFactory.setPort(Constant.port); 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 queueName = "test_dlx_queue"; String routingKey = "dlx.#"; channel.exchangeDeclare(exchangeName, "topic", true, false, null); Map<String, Object> arguments = new HashMap<>(); arguments.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, arguments); 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)); } }