RabbitMQ简单演示直连(路由)模式

最新推荐文章于 2025-04-23 14:09:04 发布

原创最新推荐文章于 2025-04-23 14:09:04 发布 · 257 阅读

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#rabbitmq #java #queue #交换机 #队列

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本文通过Java代码展示了如何在RabbitMQ中使用直连模式发送消息到不同路由键对应的队列，并提供了消费者消费队列的示例。在实际运行中，可以看到消息成功发送到指定队列，并在队列和交换机视图中进行验证。

消费者Work01消费order路由键对应的队列，代码演示：

import com.rabbitmq.client.BuiltinExchangeType;
import com.rabbitmq.client.Channel;
import com.rabbitmq.client.Connection;
import com.rabbitmq.client.ConnectionFactory;

import java.io.IOException;
import java.util.concurrent.TimeoutException;

public class Work01 {

    private static final ConnectionFactory factory = new ConnectionFactory();

    private static Connection connection = null;

    static {
        factory.setHost("49.232.202.201");
        factory.setUsername("gosuncn");
        factory.setPassword("123123");
        factory.setVirtualHost("/gosuncn");
        try {
            connection = factory.newConnection();
        } catch (IOException | TimeoutException e) {
            e.printStackTrace();
        }
    }

    public static void main(String[] args) throws IOException {
        Channel channel = connection.createChannel();
        channel.exchangeDeclare(Constant.EXCHANGE_NAME, BuiltinExchangeType.DIRECT);
        String queueName = channel.queueDeclare().getQueue();
        channel.queueBind(queueName, Constant.EXCHANGE_NAME, "order");
        channel.basicConsume(queueName, true, (consumerTag, message) -> {
            System.out.println("DeliverCallback's consumerTag is {" + consumerTag + "}");
            System.out.println("order队列消费消息的内容 = " + new String(message.getBody()));
        }, consumerTag -> System.out.println("CancelCallback's consumerTag is {" + consumerTag + "}"));
    }
}

消费者Work02消费email路由键对应的队列，代码演示：

import com.rabbitmq.client.BuiltinExchangeType;
import com.rabbitmq.client.Channel;
import com.rabbitmq.client.Connection;
import com.rabbitmq.client.ConnectionFactory;

import java.io.IOException;
import java.util.concurrent.TimeoutException;

public class Work02 {

    private static final ConnectionFactory factory = new ConnectionFactory();

    private static Connection connection = null;

    static {
        factory.setHost("49.232.202.201");
        factory.setUsername("gosuncn");
        factory.setPassword("123123");
        factory.setVirtualHost("/gosuncn");
        try {
            connection = factory.newConnection();
        } catch (IOException | TimeoutException e) {
            e.printStackTrace();
        }
    }

    public static void main(String[] args) throws IOException {
        Channel channel = connection.createChannel();
        channel.exchangeDeclare(Constant.EXCHANGE_NAME, BuiltinExchangeType.DIRECT);
        String queueName = channel.queueDeclare().getQueue();
        channel.queueBind(queueName, Constant.EXCHANGE_NAME, "email");
        channel.basicConsume(queueName, true, (consumerTag, message) -> {
            System.out.println("DeliverCallback's consumerTag is {" + consumerTag + "}");
            System.out.println("email队列消费消息的内容 = " + new String(message.getBody()));
        }, consumerTag -> System.out.println("CancelCallback's consumerTag is {" + consumerTag + "}"));
    }
}

发送消息到交换机中：

package fun.gosuncn;

import com.rabbitmq.client.BuiltinExchangeType;
import com.rabbitmq.client.Channel;
import com.rabbitmq.client.Connection;
import com.rabbitmq.client.ConnectionFactory;

import java.io.IOException;
import java.util.concurrent.TimeoutException;

public class SendMessage {

    private static final ConnectionFactory factory = new ConnectionFactory();

    private static Connection connectionStatic = null;

    static {
        factory.setHost("49.232.202.201");
        factory.setUsername("gosuncn");
        factory.setPassword("123123");
        factory.setVirtualHost("/gosuncn");
        try {
            connectionStatic = factory.newConnection();
        } catch (IOException | TimeoutException e) {
            e.printStackTrace();
        }
    }

    public static void main(String[] args) {
        try (Connection connection = connectionStatic; Channel channel = connection.createChannel()) {
            channel.exchangeDeclare(Constant.EXCHANGE_NAME, BuiltinExchangeType.DIRECT);
            channel.basicPublish(Constant.EXCHANGE_NAME, "order", null, ("order-888").getBytes());
            channel.basicPublish(Constant.EXCHANGE_NAME, "email", null, ("email-666").getBytes());
            System.out.println("消息已发送至交换机");
        } catch (Exception exception) {
            exception.printStackTrace();
        }
    }
}