RabbitMQ---Workqueue模型&&多劳多得

package WorkQuene;

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

import java.io.IOException;


public class Provider {
    public static void main(String[] args) throws IOException {
        //获取连接对象
        Connection connection = RabbitMQUtil.getConnection();
        //获取通道对象
        Channel channel = connection.createChannel();
        //通过通道声明队列
        channel.queueDeclare("work", true, false, false, null);
        //生产消息
        for (int i = 0; i < 100; i++) {
            channel.basicPublish("", "work", null, (i + "work queue").getBytes());
        }
        //关闭
        RabbitMQUtil.closeAll(channel, connection);

    }
}

package WorkQuene;

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

import java.io.IOException;


public class Customer1 {

    public static void main(String[] args) throws IOException {
        //获取连接对象
        Connection connection = RabbitMQUtil.getConnection();
        //获取通道对象
        final Channel channel = connection.createChannel();
        //每次只能消费一个消息,避免一下消费了多个消息，但是在处理的过程中宕机导致未被处理的消息丢失
        channel.basicQos(1);
        //通过通道声明队列
        channel.queueDeclare("work", true, false, false, null);
        //参数1：队列名称
        //队列2：消息自动确认 消费者自动向RabbitMQ确认消息消费 false 不会自动确认消息，即使消息被消费了,未被处理也不会显示被消费
        channel.basicConsume("work",false,new DefaultConsumer(channel){
            @Override
            public void handleDelivery(String consumerTag, Envelope envelope, AMQP.BasicProperties properties, byte[] body) throws IOException {
                System.out.println("消费者-1:"+new String(body));
                try {
                    Thread.sleep(1000);
                } catch (InterruptedException e) {
                    e.printStackTrace();
                }
                channel.basicAck(envelope.getDeliveryTag(),false);
            }
        });
    }
}

package WorkQuene;

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

import java.io.IOException;


public class Customer2 {

    public static void main(String[] args) throws IOException {
        //获取连接对象
        Connection connection = RabbitMQUtil.getConnection();
        //获取通道对象
        final Channel channel = connection.createChannel();
        //每次只能消费一个消息,避免一下消费了多个消息，但是在处理的过程中宕机导致未被处理的消息丢失
        channel.basicQos(1);
        //通过通道声明队列
        channel.queueDeclare("work", true, false, false, null);

        channel.basicConsume("work",false,new DefaultConsumer(channel){
            @Override
            public void handleDelivery(String consumerTag, Envelope envelope, AMQP.BasicProperties properties, byte[] body) throws IOException {
                System.out.println("消费者-2:"+new String(body));
                //手动确认，参数1：手动确认消息标识 确认队列中的消息的具体标识 参数2：是否开启多个消息同时确认 false：一次确认一个消息
                channel.basicAck(envelope.getDeliveryTag(),false);
            }
        });
    }
}