1.引入依赖
compile group: 'com.rabbitmq', name: 'amqp-client', version: '5.6.0'
2.生产者
/**
* @program: rabbitmq
* @description:
* @author: Jhon_Li
* @create: 2019-04-12 16:47
**/
public class RabbitProducer {
private final static String EXCHANGE_NAME = "exchange demo";
private final static String ROUTING_KEY = "routingkey demo";
private final static String QUEUE_NAME = "queue demo";
private final static String IP_ADDRESS = "127.0.0.1";
private final static int PORT = 5672;//RabbitMQ 服务端默认端口号为 5672
public static void main(String[] args) throws IOException, TimeoutException, InterruptedException {
ConnectionFactory factory = new ConnectionFactory();
factory.setHost(IP_ADDRESS);
factory.setPort(PORT);
factory.setUsername("guest");
factory.setPassword("guest");
Connection connection = factory.newConnection();//创建连接
Channel channel = connection.createChannel();//创建信道
//创建一个 type="direct"、持久化的、非自动删除的交换器
channel.exchangeDeclare(EXCHANGE_NAME, "direct", true, false, null); //创建一个持久化、非排他的、非自动删除的队列
channel.queueDeclare(QUEUE_NAME, true, false, false, null);
//将交换器与队列通过路由键绑定
channel.queueBind(QUEUE_NAME, EXCHANGE_NAME, ROUTING_KEY);
//发送一条持久化的消息: hello world !
String message = "Hello World !";
channel.basicPublish(EXCHANGE_NAME, ROUTING_KEY, MessageProperties.PERSISTENT_TEXT_PLAIN,
message.getBytes()); //关闭资源
channel.close();
connection.close();
}
}
3.消费者
/**
* @program: rabbitmq
* @description:
* @author: Jhon_Li
* @create: 2019-04-12 17:00
**/
public class RabbitmqConsumer {
private static final String QUEUE_NAME = "queue demo";
private static final String IP_ADDRESS = "127.0.0.1";
private static final int PORT = 5672;
public static void main(String[] args) throws Exception {
Address[] addresses = new Address[]{new Address(IP_ADDRESS, PORT)};
ConnectionFactory factory = new ConnectionFactory();
factory.setUsername("guest");
factory.setPassword("guest");
//这里的连接方式与生产者的 demo 略有不同 , 注意辨别区别
Connection connection = factory.newConnection(addresses);
//创建连接
final Channel channel = connection.createChannel();//创建信道
channel.basicQos(64); //设置客户端最多接收未被 ack 的消息的个数
Consumer consumer = new DefaultConsumer(channel) {
@Override
public void handleDelivery(String consumerTag, Envelope envelope,
AMQP.BasicProperties properties,
byte[] body) throws IOException {
System.out.println("recv message: " + new String(body));
try {
TimeUnit.SECONDS.sleep(1);
} catch (InterruptedException e) {
e.printStackTrace();
channel.basicAck(envelope.getDeliveryTag(), false);
}
}
};
channel.basicConsume(QUEUE_NAME,consumer);
//等待回调函数执行完毕之后 , 关闭资源
TimeUnit.SECONDS . sleep(5);
channel . close();
connection .close();
}
}