在RabbitMQ中实现Work queues工作队列模式

package com.itheima.RabbitMQ.work; 
import com.itheima.rabbitMQ.util.ConnectionUtil; 
import com.rabbitmq.client.Channel; 
import com.rabbitmq.client.Connection; 
import com.rabbitmq.client.ConnectionFactory; 
public class Producer { 
	static final String QUEUE_NAME = "work_queue"; 
	public static void main(String[] args) throws Exception { 
		//创建连接 
		Connection connection = ConnectionUtil.getConnection(); 
		// 创建频道 
		Channel channel = connection.createChannel(); 
		// 声明（创建）队列 
		 
		channel.queueDeclare(QUEUE_NAME, true, false, false, null); 
		for (int i = 1; i <= 30; i++) { 
			// 发送信息 
			String message = "你好；小兔子！work模式--" + i; 
			 
			channel.basicPublish("", QUEUE_NAME, null, message.getBytes()); 
			System.out.println("已发送消息：" + message); 
		}
		// 关闭资源 
		channel.close(); connection.close(); 
	} 
}

package com.itheima.rabbitmq.work; 
import com.itheima.rabbitmq.util.ConnectionUtil; 
import com.rabbitmq.client.*;
import java.io.IOException; 
public class Consumer1 { 
	public static void main(String[] args) throws Exception { 
		Connection connection = ConnectionUtil.getConnection(); 
		// 创建频道 
		Channel channel = connection.createChannel(); 
		// 声明（创建）队列 
		 
		channel.queueDeclare(Producer.QUEUE_NAME, true, false, false, null); 
		//一次只能接收并处理一个消息 
		channel.basicQos(1); 
		//创建消费者；并设置消息处理 
		DefaultConsumer consumer = new DefaultConsumer(channel){ 
			@Override 
			 
			public void handleDelivery(String consumerTag, Envelope envelope, 
					AMQP.BasicProperties properties, byte[] body) throws IOException { 
				try {
					//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()); 
					//收到的消息 
					System.out.println("消费者1-接收到的消息为：" + new String(body, "utf-8")); 
					Thread.sleep(1000); 
					//确认消息 
					channel.basicAck(envelope.getDeliveryTag(), false); 
				} 
				catch (InterruptedException e) { 
					e.printStackTrace(); 
				} 
			} 
		};
		//监听消息 
		 
		channel.basicConsume(Producer.QUEUE_NAME, false, consumer); 
	} 
}

package com.itheima.rabbitmq.work; 
import com.itheima.rabbitmq.util.ConnectionUtil; 
import com.rabbitmq.client.*; 
import java.io.IOException; 
public class Consumer2 { 
	public static void main(String[] args) throws Exception { 
		Connection connection = ConnectionUtil.getConnection(); 
		// 创建频道 
		Channel channel = connection.createChannel(); 
		// 声明（创建）队列 
		 
		channel.queueDeclare(Producer.QUEUE_NAME, true, false, false, null); 
		//一次只能接收并处理一个消息 
		channel.basicQos(1); 
		//创建消费者；并设置消息处理 
		DefaultConsumer consumer = new DefaultConsumer(channel){ 
			@Override 
			 
			public void handleDelivery(String consumerTag, Envelope envelope, 
					AMQP.BasicProperties properties, byte[] body) throws IOException { 
				try {
					//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());
					//收到的消息 
					System.out.println("消费者2-接收到的消息为：" + new String(body, "utf-8")); 
					Thread.sleep(1000); 
					//确认消息 
					channel.basicAck(envelope.getDeliveryTag(), false); 
				} catch (InterruptedException e) { 
					e.printStackTrace(); 
				} 
			} 
		};
		//监听消息 
		 
		channel.basicConsume(Producer.QUEUE_NAME, false, consumer); 
	} 
}