[整理]阿里云之消息队列的使用

最新推荐文章于 2025-07-07 16:22:09 发布

码YouMe

最新推荐文章于 2025-07-07 16:22:09 发布

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分类专栏：后端文章标签：消息队列 MQ 阿里云

本文链接：https://blog.youkuaiyun.com/macau2008/article/details/51722997

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30 篇文章

订阅专栏

本文介绍如何使用阿里云消息队列服务进行消息发布与订阅，包括环境搭建、SDK配置及发布端与订阅端的代码实现。

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环境准备

1.申请阿里云账号，开通消息队列服务，申请accessKey。

2.SDK导入，Topic、发布和订阅申请

发布端代码

工具类：

import com.aliyun.openservices.ons.api.*;

import java.util.Properties;

/**
 * Created by Youme on 2016/6/20.
 */
public class CloudMQUtil {

    private static final String ACCESS_KEY = "XXXXXXXXX"; //你自己的AccessKey
    private static final String SECRET_KEY = "XXXXXXXXX"; //你自己的SecretKey

    /**
     * 获取消息的 Producer
     *
     * @param producerId producerId
     * @return Producer
     */
    public static Producer getProducer(String producerId) {
        Properties properties = new Properties();
        properties.put(PropertyKeyConst.ProducerId, producerId);
        properties.put(PropertyKeyConst.AccessKey, ACCESS_KEY);
        properties.put(PropertyKeyConst.SecretKey, SECRET_KEY);
        Producer producer = ONSFactory.createProducer(properties);

        // 在发送消息前，必须调用start方法来启动Producer，只需调用一次即可。
        producer.start();
        return producer;
    }
}

调用：

Producer producer = CloudMQUtil.getProducer("XXXXXXX"); //你申请的producerId
        Message msg = new Message("XXXXXXX", //你申请的TopicName 
        "tag_003", "key_003", "这是消息".getBytes());
        producer.send(msg);

订阅端代码

MessageListenser实现类：

import com.aliyun.openservices.ons.api.Action;
import com.aliyun.openservices.ons.api.ConsumeContext;
import com.aliyun.openservices.ons.api.Message;
import com.aliyun.openservices.ons.api.MessageListener;

import java.util.Date;

/**
 * Created by Youme on 2016/6/20.
 */
public class MyMessageListener implements MessageListener {
    @Override
    public Action consume(Message message, ConsumeContext consumeContext) {
        System.out.println("Receive @" + new Date() + ": " + message);

        String body = new String(message.getBody());
        System.out.println("msgBody is : " + body);
        return Action.CommitMessage;
    }
}

订阅器：

import com.aliyun.openservices.ons.api.Consumer;
import com.aliyun.openservices.ons.api.ONSFactory;
import com.aliyun.openservices.ons.api.PropertyKeyConst;

import java.util.Date;
import java.util.Properties;

/**
 * Created by Youme on 2016/6/20.
 */
public class MyMessageConsumer {
    private static final String ACCESS_KEY = "XXXXXXXX"; //你自己的AccessKey
    private static final String SECRET_KEY = "XXXXXXXX"; //你自己的AccessKey
    private static final String TOPIC_NAME = "XXXXXXXX"; //你申请的TopicName
    private static final String CONSUMER_ID = "XXXXXXXX"; //你申请的ConsumerId

    /**
     * 订阅消息
     */
    public void subscribe() {
        Properties properties = new Properties();
        properties.put(PropertyKeyConst.ConsumerId, CONSUMER_ID);
        properties.put(PropertyKeyConst.AccessKey, ACCESS_KEY);
        properties.put(PropertyKeyConst.SecretKey, SECRET_KEY);
        Consumer consumer = ONSFactory.createConsumer(properties);
        consumer.subscribe(TOPIC_NAME, "*", new PointMessageListener());
        consumer.start();
        System.out.println(CONSUMER_ID + " is running @" + new Date());
    }
}

调用：

 new MyMessageConsumer().subscribe(); // 系统启动的时候启动订阅