RabbitMQ主题模式

Send类

package topics;

import com.rabbitmq.client.Channel;
import com.rabbitmq.client.Connection;
import utils.ConnectionUtil;

public class Send {

    private static String EXCHANGE_NAME = "test_exchange_topic";

    public static void main(String[] args) throws Exception{

        Connection connection = ConnectionUtil.getConnection();
        Channel channel = connection.createChannel();
        channel.exchangeDeclare(EXCHANGE_NAME,"topic");//类型主题

        String msg = "hellow direct";
        channel.basicPublish(EXCHANGE_NAME, "goods.delete", null, msg.getBytes());

        System.out.println("send=====>" + msg);
        channel.close();
        connection.close();
    }
}

Recv1类

package topics;

import com.rabbitmq.client.*;
import utils.ConnectionUtil;

import java.io.IOException;

public class Recv1 {

    private static String EXCHANGE_NAME = "test_exchange_topic";
    private static String QUEUE_NAME = "test_queue_topic_a";

    public static void main(String[] args) throws Exception {
        //获取连接
        Connection connection = ConnectionUtil.getConnection();
        //从连接中获取一个通道
        final Channel channel = connection.createChannel();

        channel.queueDeclare(QUEUE_NAME,false,false,false,null);
        channel.queueBind(QUEUE_NAME, EXCHANGE_NAME,"goods.add");//订阅goods.add
        channel.queueBind(QUEUE_NAME, EXCHANGE_NAME,"goods.update");//订阅goods.update，其它类型订阅不到
        channel.basicQos(1);
        Consumer consumer = new DefaultConsumer(channel) {
            //当消息到达时执行回调方法
            @Override
            public void handleDelivery(String consumerTag, Envelope envelope, AMQP.BasicProperties properties,
                                       byte[] body) throws IOException {
                String message = new String(body, "utf-8");
                System.out.println("[Receive1]：" + message);

                try {
                    Thread.sleep(2000);
                } catch (Exception e) {
                    e.printStackTrace();
                } finally {
                    System.out.println("[1] done");
                    channel.basicAck(envelope.getDeliveryTag(),false);
                }
            }
        };
        boolean autoAck = false;
        channel.basicConsume(QUEUE_NAME,autoAck,consumer);
    }

}

Recv2类

package topics;

import com.rabbitmq.client.*;
import utils.ConnectionUtil;

import java.io.IOException;

public class Recv2 {

    private static String EXCHANGE_NAME = "test_exchange_topic";
    private static String QUEUE_NAME = "test_queue_topic_b";

    public static void main(String[] args) throws Exception {
        //获取连接
        Connection connection = ConnectionUtil.getConnection();
        //从连接中获取一个通道
        final Channel channel = connection.createChannel();

        channel.queueDeclare(QUEUE_NAME,false,false,false,null);
        channel.queueBind(QUEUE_NAME, EXCHANGE_NAME,"goods.#");//通配订阅goods.xx下所有的消息
        channel.basicQos(1);

        Consumer consumer = new DefaultConsumer(channel) {
            //当消息到达时执行回调方法
            @Override
            public void handleDelivery(String consumerTag, Envelope envelope, AMQP.BasicProperties properties,
                                       byte[] body) throws IOException {
                String message = new String(body, "utf-8");
                System.out.println("[Receive2]：" + message);

                try {
                    Thread.sleep(2000);
                } catch (Exception e) {
                    e.printStackTrace();
                } finally {
                    System.out.println("[2] done");
                    channel.basicAck(envelope.getDeliveryTag(),false);
                }
            }
        };
        boolean autoAck = false;
        channel.basicConsume(QUEUE_NAME,autoAck,consumer);
    }

}