RabbitMQ学习（三）订阅/发布

public class Productor {
    public static void main(String[] args) throws IOException, TimeoutException {
        //配置rabbitmq服务器地址
        ConnectionFactory factory = new ConnectionFactory();
        factory.setHost("localhost");
        factory.setPort(5672);
        factory.setUsername("starktan");
        factory.setPassword("starktan");
        factory.setVirtualHost("/");
        //建立连接和通道
        Connection connection = factory.newConnection();
        Channel channel = connection.createChannel();
        //声明一个扇形交换机
        channel.exchangeDeclare("fanout", BuiltinExchangeType.FANOUT);
        System.out.println("发送信息！");
        String message = "WorkQueue Message number " + System.currentTimeMillis();
        channel.basicPublish("fanout", "", true, null, message.getBytes());
        channel.close();
        connection.close();
    }
}

public class Consumer {

    public static void main(String[] args) throws IOException, InterruptedException, TimeoutException {

        //创建连接和通道

        ConnectionFactory factory = new ConnectionFactory();

        factory.setHost("localhost");

        final Connection connection = factory.newConnection();

        ExecutorService service = Executors.newFixedThreadPool(10);

        for (int i = 0; i < 4; i++) {

            final int cur = i;

            service.submit(new Runnable() {

                Channel channel = connection.createChannel();

                String queryname = channel.queueDeclare().getQueue();

                public void run() {

                    //创建队列消费者

                    QueueingConsumer consumer = new QueueingConsumer(channel);

                    try {

                        channel.queueBind(queryname,"fanout","");

                        channel.basicConsume(queryname,consumer);

                        while (true) {

                            QueueingConsumer.Delivery delivery = consumer.nextDelivery();

                            String message = new String(delivery.getBody());

                            System.out.println("线程 " + cur + " 获取到消息 " + message);

  

                        }

                    } catch (Exception e) {

                        e.printStackTrace();

                    }

                }

            });

        }

        service.shutdown();

    }

}