import com.rabbitmq.client.Channel;
import com.rabbitmq.client.Connection;
import com.rabbitmq.client.ConnectionFactory;public class DirectProducer {public static void main(String[] args) throws Exception {//1. 创建一个 ConnectionFactory 并进行设置ConnectionFactory factory = new ConnectionFactory();factory.setHost("localhost");factory.setVirtualHost("/");factory.setUsername("guest");factory.setPassword("guest");//2. 通过连接工厂来创建连接Connection connection = factory.newConnection();//3. 通过 Connection 来创建 ChannelChannel channel = connection.createChannel();//4. 声明String exchangeName = "test_direct_exchange";String routingKey = "item.direct";//5. 发送String msg = "this is direct msg";channel.basicPublish(exchangeName, routingKey, null, msg.getBytes());System.out.println("Send message : " + msg);//6. 关闭连接channel.close();connection.close();}
}
import com.rabbitmq.client.*;
import java.io.IOException;public class DirectConsumer {public static void main(String[] args) throws Exception {//1. 创建一个 ConnectionFactory 并进行设置ConnectionFactory factory = new ConnectionFactory();factory.setHost("localhost");factory.setVirtualHost("/");factory.setUsername("guest");factory.setPassword("guest");factory.setAutomaticRecoveryEnabled(true);factory.setNetworkRecoveryInterval(3000);//2. 通过连接工厂来创建连接Connection connection = factory.newConnection();//3. 通过 Connection 来创建 ChannelChannel channel = connection.createChannel();//4. 声明String exchangeName = "test_direct_exchange";String queueName = "test_direct_queue";String routingKey = "item.direct";channel.exchangeDeclare(exchangeName, "direct", true, false, null);channel.queueDeclare(queueName, false, false, false, null);//一般不用代码绑定，在管理界面手动绑定channel.queueBind(queueName, exchangeName, routingKey);//5. 创建消费者并接收消息Consumer consumer = new DefaultConsumer(channel) {@Overridepublic void handleDelivery(String consumerTag, Envelope envelope,AMQP.BasicProperties properties, byte[] body)throws IOException {String message = new String(body, "UTF-8");System.out.println(" [x] Received '" + message + "'");}};//6. 设置 Channel 消费者绑定队列channel.basicConsume(queueName, true, consumer);}
}
Send message : this is direct msg[x] Received 'this is direct msg'
Topic 模式

import com.rabbitmq.client.Channel;
import com.rabbitmq.client.Connection;
import com.rabbitmq.client.ConnectionFactory;public class TopicProducer {public static void main(String[] args) throws Exception {//1. 创建一个 ConnectionFactory 并进行设置ConnectionFactory factory = new ConnectionFactory();factory.setHost("localhost");factory.setVirtualHost("/");factory.setUsername("guest");factory.setPassword("guest");//2. 通过连接工厂来创建连接Connection connection = factory.newConnection();//3. 通过 Connection 来创建 ChannelChannel channel = connection.createChannel();//4. 声明String exchangeName = "test_topic_exchange";String routingKey1 = "item.update";String routingKey2 = "item.delete";String routingKey3 = "user.add";//5. 发送String msg = "this is topic msg";channel.basicPublish(exchangeName, routingKey1, null, msg.getBytes());channel.basicPublish(exchangeName, routingKey2, null, msg.getBytes());channel.basicPublish(exchangeName, routingKey3, null, msg.getBytes());System.out.println("Send message : " + msg);//6. 关闭连接channel.close();connection.close();}
}
import com.rabbitmq.client.*;
import java.io.IOException;public class TopicConsumer {public static void main(String[] args) throws Exception {//1. 创建一个 ConnectionFactory 并进行设置ConnectionFactory factory = new ConnectionFactory();factory.setHost("localhost");factory.setVirtualHost("/");factory.setUsername("guest");factory.setPassword("guest");factory.setAutomaticRecoveryEnabled(true);factory.setNetworkRecoveryInterval(3000);//2. 通过连接工厂来创建连接Connection connection = factory.newConnection();//3. 通过 Connection 来创建 ChannelChannel channel = connection.createChannel();//4. 声明String exchangeName = "test_topic_exchange";String queueName = "test_topic_queue";String routingKey = "item.#";channel.exchangeDeclare(exchangeName, "topic", true, false, null);channel.queueDeclare(queueName, false, false, false, null);//一般不用代码绑定，在管理界面手动绑定channel.queueBind(queueName, exchangeName, routingKey);//5. 创建消费者并接收消息Consumer consumer = new DefaultConsumer(channel) {@Overridepublic void handleDelivery(String consumerTag, Envelope envelope,AMQP.BasicProperties properties, byte[] body)throws IOException {String message = new String(body, "UTF-8");System.out.println(" [x] Received '" + message + "'");}};//6. 设置 Channel 消费者绑定队列channel.basicConsume(queueName, true, consumer);}
}
Send message : this is topc msg[x] Received 'this is topc msg'
[x] Received 'this is topc msg'

import com.rabbitmq.client.*;
import java.io.IOException;public class FanoutConsumer {public static void main(String[] args) throws Exception {//1. 创建一个 ConnectionFactory 并进行设置ConnectionFactory factory = new ConnectionFactory();factory.setHost("localhost");factory.setVirtualHost("/");factory.setUsername("guest");factory.setPassword("guest");factory.setAutomaticRecoveryEnabled(true);factory.setNetworkRecoveryInterval(3000);//2. 通过连接工厂来创建连接Connection connection = factory.newConnection();//3. 通过 Connection 来创建 ChannelChannel channel = connection.createChannel();//4. 声明String exchangeName = "test_fanout_exchange";String queueName = "test_fanout_queue";String routingKey = "item.#";channel.exchangeDeclare(exchangeName, "fanout", true, false, null);channel.queueDeclare(queueName, false, false, false, null);//一般不用代码绑定，在管理界面手动绑定channel.queueBind(queueName, exchangeName, routingKey);//5. 创建消费者并接收消息Consumer consumer = new DefaultConsumer(channel) {@Overridepublic void handleDelivery(String consumerTag, Envelope envelope,AMQP.BasicProperties properties, byte[] body)throws IOException {String message = new String(body, "UTF-8");System.out.println(" [x] Received '" + message + "'");}};//6. 设置 Channel 消费者绑定队列channel.basicConsume(queueName, true, consumer);}
}
import com.rabbitmq.client.Channel;
import com.rabbitmq.client.Connection;
import com.rabbitmq.client.ConnectionFactory;
public class FanoutProducer {public static void main(String[] args) throws Exception {//1. 创建一个 ConnectionFactory 并进行设置ConnectionFactory factory = new ConnectionFactory();factory.setHost("localhost");factory.setVirtualHost("/");factory.setUsername("guest");factory.setPassword("guest");//2. 通过连接工厂来创建连接Connection connection = factory.newConnection();//3. 通过 Connection 来创建 ChannelChannel channel = connection.createChannel();//4. 声明String exchangeName = "test_fanout_exchange";String routingKey1 = "item.update";String routingKey2 = "";String routingKey3 = "ookjkjjkhjhk";//任意routingkey//5. 发送String msg = "this is fanout msg";channel.basicPublish(exchangeName, routingKey1, null, msg.getBytes());channel.basicPublish(exchangeName, routingKey2, null, msg.getBytes());channel.basicPublish(exchangeName, routingKey3, null, msg.getBytes());System.out.println("Send message : " + msg);//6. 关闭连接channel.close();connection.close();}
}
Send message : this is fanout msg[x] Received 'this is fanout msg'
[x] Received 'this is fanout msg'
[x] Received 'this is fanout msg'