/**
 * 通配符模式；消费者接收消息
 */
public class Consumer2 {
    public static void main(String[] args) throws Exception {
        //1. 创建连接；(抽取一个获取连接的工具类)
        Connection connection = ConnectionUtil.getConnection();
        //2. 创建频道；
        Channel channel = connection.createChannel();
        
        //3. 创建消费者(接收消息并处理消息)；
        DefaultConsumer defaultConsumer = new DefaultConsumer(channel){
            @Override
            public void handleDelivery(String consumerTag, Envelope envelope, AMQP.BasicProperties properties, byte[] body) throws IOException {
                //路由key
                System.out.println("路由key为:" + envelope.getRoutingKey());
                //交换机
                System.out.println("交换机为:" + envelope.getExchange());
                //消息id
                System.out.println("消息id为:" + envelope.getDeliveryTag());
                //接收到的消息
                System.out.println("消费者1 --- 接收到的消息为:" + new String(body, "utf-8"));
            }
        };
        //6. 监听队列
        /**
         * 参数1:队列名
         * 参数2:是否要自动确认；设置为true表示消息接收到自动向MQ回复接收到了,MQ则会将消息从队列中删除；
         * 如果设置为false则需要手动确认
         * 参数3:消费者
         */
        channel.basicConsume(Producer.TOPIC_QUEUE_2, true, defaultConsumer);
    }
}