1.引入依賴
compile group: 'com.rabbitmq', name: 'amqp-client', version: '5.6.0'
2.生產者
/**
* @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 服務端默認端口號爲 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();//創建連接
Channel channel = connection.createChannel();//創建信道
//創建一個 type="direct"、持久化的、非自動刪除的交換器
channel.exchangeDeclare(EXCHANGE_NAME, "direct", true, false, null); //創建一個持久化、非排他的、非自動刪除的隊列
channel.queueDeclare(QUEUE_NAME, true, false, false, null);
//將交換器與隊列通過路由鍵綁定
channel.queueBind(QUEUE_NAME, EXCHANGE_NAME, ROUTING_KEY);
//發送一條持久化的消息: hello world !
String message = "Hello World !";
channel.basicPublish(EXCHANGE_NAME, ROUTING_KEY, MessageProperties.PERSISTENT_TEXT_PLAIN,
message.getBytes()); //關閉資源
channel.close();
connection.close();
}
}
3.消費者
/**
* @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");
//這裏的連接方式與生產者的 demo 略有不同 , 注意辨別區別
Connection connection = factory.newConnection(addresses);
//創建連接
final Channel channel = connection.createChannel();//創建信道
channel.basicQos(64); //設置客戶端最多接收未被 ack 的消息的個數
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);
//等待回調函數執行完畢之後 , 關閉資源
TimeUnit.SECONDS . sleep(5);
channel . close();
connection .close();
}
}