[Java知识库]SpringCloudStream 集成RocketMQ

目录

一、RocketMQ可视化界面安装

二、springcloudstream整合rocketmq

1、引入依赖

2、开启输入何输出

3、关键的一步，配置文件

4、主类

5、控制器

6、消息消费者

7、消息生产者

RocketMQ安装步骤略。

开启rocketmq:

windows

start mqnamesrv.cmd

start mqbroker.cmd -n 127.0.0.1:9876 autoCreateTopicEnable=true

一、RocketMQ可视化界面安装

Tags · apache/rocketmq-externals · GitHub

下载

?下载好以后，修改配置文件：?

打包：

mvn clean package -Dmaven.test.skip=true

进入 target 启动 jar：

java -jar rocketmq-console-ng-1.0.0.jar 

成功开启后，运行可视化项目，一般第一次运行会添加很多maven依赖

运行后服务可视化界面：

二、springcloudstream整合rocketmq

1、引入依赖

使用时记得对应自己的版本

        <dependency>
            <groupId>com.alibaba.cloud</groupId>
            <artifactId>spring-cloud-starter-stream-rocketmq</artifactId>
        </dependency>

2、开启输入何输出

@EnableBinding

package com.wxl;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.cloud.stream.annotation.EnableBinding;
import org.springframework.cloud.stream.messaging.Sink;
import org.springframework.cloud.stream.messaging.Source;


@EnableBinding({Source.class, Sink.class})
@SpringBootApplication
public class ConsumerApplication {
    public static void main(String[] args) {
        SpringApplication.run(ConsumerApplication.class,args);
    }
}

3、关键的一步，配置文件

spring:
  cloud:
    stream:
      bindings:
        input:  # 对应消费者
          destination: TestTopic
          group: scGroup
        output:  # 对应生产者
          destination: TestTopic

      rocketmq:
        binder:
          name-server: 127.0.0.1:9876

4、主类

package com.wxl;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.cloud.stream.annotation.EnableBinding;
import org.springframework.cloud.stream.messaging.Sink;
import org.springframework.cloud.stream.messaging.Source;


@EnableBinding({Source.class, Sink.class})
@SpringBootApplication
public class ConsumerApplication {
    public static void main(String[] args) {
        SpringApplication.run(ConsumerApplication.class,args);
    }
}

5、控制器

package com.wxl.controller;

import com.wxl.basic.ScProducer;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import javax.annotation.Resource;

@RestController
@RequestMapping("/MQTest")
public class MQTestController {
    @Resource
    private ScProducer producer;

    @RequestMapping("/sendMessage")
    public String sendMessage(String message) {
        producer.sendMessage(message);
        return "消息发送完成";
    }
}

6、消息消费者

package com.wxl.basic;

import org.springframework.cloud.stream.annotation.StreamListener;
import org.springframework.cloud.stream.messaging.Sink;
import org.springframework.stereotype.Component;

@Component
public class ScConsumer {
    @StreamListener(value = Sink.INPUT)
    public void onMessage(String message) {
        System.out.println("received message:" + message + "from binding:" + Sink.INPUT);
    }
}

7、消息生产者

package com.wxl.basic;

import org.apache.rocketmq.common.message.MessageConst;
import org.springframework.cloud.stream.messaging.Source;
import org.springframework.messaging.Message;
import org.springframework.messaging.MessageHeaders;
import org.springframework.messaging.support.MessageBuilder;
import org.springframework.stereotype.Component;

import javax.annotation.Resource;
import java.util.HashMap;
import java.util.Map;

@Component
public class ScProducer {
    @Resource
    private Source source;

    public void sendMessage(String msg){
        Map<String,Object> headers=new HashMap<String,Object>();
        headers.put(MessageConst.PROPERTY_TAGS,"testTag");
        MessageHeaders messageHeaders=new MessageHeaders(headers);
        Message<String> message= MessageBuilder.createMessage(msg,messageHeaders);
        this.source.output().send(message);
    }

}

未完待续......

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