import com.rabbitmq.client.*; import java.io.IOException; /** * 验证 RabbitMQ 生产者确认 * @author hxstrive.com 2022/3/2 */ public class SenderAckDemo1 { /** 交换器名称 */ private final String EXCHANGE_NAME = "exchange-" + SenderAckDemo1.class.getSimpleName(); /** 队列名称 */ private final String QUEUE_NAME = "queue-" + SenderAckDemo1.class.getSimpleName(); public static void main(String[] args) throws Exception { SenderAckDemo1 demo = new SenderAckDemo1(); demo.consumer(); demo.sender(); } /** * 生产者 * @throws Exception */ private void sender() throws Exception { // 创建连接 ConnectionFactory factory = new ConnectionFactory(); factory.setHost("127.0.0.1"); factory.setPort(5672); Connection connection = factory.newConnection(); // 创建信道 Channel channel = connection.createChannel(); // 声明交换器 channel.exchangeDeclare(EXCHANGE_NAME, "topic"); // 声明队列 channel.queueDeclare(QUEUE_NAME, true, false, false, null) ; channel.queueBind(QUEUE_NAME, EXCHANGE_NAME, "*.hxstrive.com"); // 将信道置为 publisher confirm 模式 channel.confirmSelect(); // 发送消息 String message = "transaction message"; channel.basicPublish(EXCHANGE_NAME, "www.hxstrive.com", false, null, message.getBytes()); System.out.println("[Send] Send message ‘" + message + "’"); // 等待消息被确认 if(!channel.waitForConfirms()) { System.out.println("[Send] Send message failed."); } // 关闭连接 channel.close(); connection.close(); } /** * 消费者 * @throws Exception */ private void consumer() throws Exception { // 创建连接 ConnectionFactory factory = new ConnectionFactory(); factory.setHost("127.0.0.1"); factory.setPort(5672); Connection connection = factory.newConnection(); // 创建信道 Channel channel = connection.createChannel(); // 声明交换器 channel.exchangeDeclare(EXCHANGE_NAME, "topic"); // 声明队列 channel.queueDeclare(QUEUE_NAME, true, false, false, null) ; channel.queueBind(QUEUE_NAME, EXCHANGE_NAME, "*.hxstrive.com"); // 消费消息 System.out.println("[Consumer] Waiting for a message...."); channel.basicConsume(QUEUE_NAME, true, new DefaultConsumer(channel){ @Override public void handleDelivery(String consumerTag, Envelope envelope, AMQP.BasicProperties properties, byte[] body) throws IOException { System.out.println("[Consumer] body = " + new String(body)); } }); } }