producer:
package com.toov5.Producer;
import java.io.IOException;
import java.util.concurrent.TimeoutException;
import com.rabbitmq.client.Channel;
import com.rabbitmq.client.Connection;
import com.toov5.utils.MQConnectionUtils;
public class Producer {
// 队列名称
private static final String UEUE_NAME = "test_queue";
public static void main(String[] args) throws IOException, TimeoutException {
// 创建新的连接
Connection connection = MQConnectionUtils.newConnection();
// 创建Channel
Channel channel = connection.createChannel();
// 创建队列
channel.queueDeclare(UEUE_NAME, false, false, false, null);
channel.basicQos(1); // 保证 取一个消费 队列给消费者发送消息时候 一个消息
for (int i = 0; i < 10; i++) {
// 创建message
String msg = "toov5_message";
System.out.println("生产者投递消息" + msg + i);
// 生产者发送消息
channel.basicPublish("", UEUE_NAME, null, msg.getBytes());
}
// 关闭通道和连接
channel.close();
connection.close();
}
}
Consumer1
package com.toov5.Consumer;
import java.io.IOException;
import java.util.concurrent.TimeoutException;
import com.rabbitmq.client.AMQP.BasicProperties;
import com.rabbitmq.client.Channel;
import com.rabbitmq.client.Connection;
import com.rabbitmq.client.DefaultConsumer;
import com.rabbitmq.client.Envelope;
import com.toov5.utils.MQConnectionUtils;
public class Consumer1 {
//队列名称
private static final String QUEUE_NAME = "test_queue";
public static void main(String[] args) throws IOException, TimeoutException {
System.out.println("消费者启动..........1");
//创建新的连接
Connection connection = MQConnectionUtils.newConnection();
//创建Channel
final Channel channel = connection.createChannel();
// 消费者关联队列
channel.queueDeclare(QUEUE_NAME, false, false, false, null);
channel.basicQos(1);
DefaultConsumer defaultConsumerr = new DefaultConsumer(channel) {
//监听获取消息
@Override
public void handleDelivery(String consumerTag, Envelope envelope, BasicProperties properties,
byte[] body) throws IOException {
String msg =new String(body,"UTF-8");
System.out.println("消费者获取生产者消息:"+msg);
try {
//模拟应答等待时间
Thread.sleep(1000);
} catch (Exception e) {
}finally {
channel.basicAck(envelope.getDeliveryTag(), false); //手动应答 告诉消息队列服务器 消费成功
}
}
};
//牵手模式设置 默认自动应答模式 true:自动应答模式
channel.basicConsume(QUEUE_NAME, false, defaultConsumerr);// fanse手动应答
}
}
Consumer2
package com.toov5.Consumer;
import java.io.IOException;
import java.util.concurrent.TimeoutException;
import com.rabbitmq.client.AMQP.BasicProperties;
import com.rabbitmq.client.Channel;
import com.rabbitmq.client.Connection;
import com.rabbitmq.client.DefaultConsumer;
import com.rabbitmq.client.Envelope;
import com.toov5.utils.MQConnectionUtils;
public class Consumer2 {
//队列名称
private static final String QUEUE_NAME = "test_queue";
public static void main(String[] args) throws IOException, TimeoutException {
System.out.println("消费者启动..........2");
//创建新的连接
Connection connection = MQConnectionUtils.newConnection();
//创建Channel
final Channel channel = connection.createChannel();
// 消费者关联队列
channel.queueDeclare(QUEUE_NAME, false, false, false, null);
channel.basicQos(1);
DefaultConsumer defaultConsumerr = new DefaultConsumer(channel) {
//监听获取消息
@Override
public void handleDelivery(String consumerTag, Envelope envelope, BasicProperties properties,
byte[] body) throws IOException {
String msg =new String(body,"UTF-8");
System.out.println("消费者获取生产者消息:"+msg);
try {
//模拟应答等待时间
Thread.sleep(300);
} catch (Exception e) {
}finally {
channel.basicAck(envelope.getDeliveryTag(), false); //手动应答 告诉消息队列服务器 消费成功
}
}
};
//牵手模式设置 默认自动应答模式 true:自动应答模式
channel.basicConsume(QUEUE_NAME, false, defaultConsumerr);// fanse手动应答
}
}
运行结果:
睡眠少的(执行快的) 指定的多
注意 每个消费者 必须要应答 一下! 队列服务器没有收到应答 就不会发送下一个给消费者~