springboot+rocketmq 快速入门面试篇

没有rocketmq的参考：

 https://www.cnblogs.com/qq3245792286/p/16045989.html

来一个空maven项目：

springboot-rocketmq

pom.xml

<properties>
    <nacos.version>1.0.1</nacos.version>
    <spring-boot-dependencies.version>2.3.0.RELEASE</spring-boot-dependencies.version>
    <spring-cloud-dependencies.version>Hoxton.SR5</spring-cloud-dependencies.version>
    <spring-cloud-alibaba-dependencies.version>2.2.1.RELEASE</spring-cloud-alibaba-dependencies.version>
</properties>

<dependencyManagement>
    <dependencies>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-dependencies</artifactId>
            <version>${spring-boot-dependencies.version}</version>
            <type>pom</type>
            <scope>import</scope>
        </dependency>

        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-dependencies</artifactId>
            <version>${spring-cloud-dependencies.version}</version>
            <type>pom</type>
            <scope>import</scope>
        </dependency>

        <dependency>
            <groupId>com.alibaba.cloud</groupId>
            <artifactId>spring-cloud-alibaba-dependencies</artifactId>
            <version>${spring-cloud-alibaba-dependencies.version}</version>
            <type>pom</type>
            <scope>import</scope>
        </dependency>
</dependencies>
</dependencyManagement>

子工程：rocketmq-product-service
pom.xml

    <dependencies>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
        </dependency>
        <dependency>
            <groupId>org.projectlombok</groupId>
            <artifactId>lombok</artifactId>
            <scope>provided</scope>
        </dependency>
        <dependency>
            <groupId>org.apache.rocketmq</groupId>
            <artifactId>rocketmq-spring-boot-starter</artifactId>
            <version>2.1.1</version>
        </dependency>

    </dependencies>

    <build>
        <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
<!--                <version>2.3.12.RELEASE</version>-->
            </plugin>
        </plugins>
    </build>

application.yml

server:
  port: 8082

rocketmq:
  name-server: 49.235.127.115:9876
  producer:
    group: my-producer-group


logging:
  file:
    path: /usr/log/mqproductservice/mqproductservice.log
  level:
    root: INFO
    com.anran.projectmanage.mapper: DEBUG

controller:

package com.jyc.controller;
 
import org.apache.rocketmq.spring.core.RocketMQTemplate;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.web.bind.annotation.*;

import java.util.Date;

@RestController
@RequestMapping("/mq")
public class MqMessageController {
    private static final Logger log = LoggerFactory.getLogger(MqMessageController.class);

    @Value("${server.port}")
    private String port;
    @Autowired
    private RocketMQTemplate rocketMQTemplate;
 
    @RequestMapping("/convertAndSend/{id}")
    public String convertAndSend(@PathVariable int id) {
        System.out.println(rocketMQTemplate);
        rocketMQTemplate.convertAndSend("first-topic","你好,Java旅途 "+id);
        return "ok--"+port+" id= "+id;
    }

    @RequestMapping("/send")
    public String send() {
        for(int i=0;i<100;i++){
            rocketMQTemplate.convertAndSend("first-topic","你好,Java旅途 "+i);
        }
        return new Date().toString()+ "----" +port ;
    }


    @GetMapping("/test")
    public String test(){
        return "test--"+port;
    }


    @GetMapping("/send/{id}")
    public String test(@PathVariable int id){
        return "test--"+port+  " id= "+id;
    }
 
}

package com.jyc;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;

/**
 * @author jianyongchao
 * @date: 2022-03-24 11:25:12
 * @company: tianbo
 * @description:
 */
@SpringBootApplication
public class RocketMqProductApp {
    public static void main(String[] args) {
        SpringApplication.run(RocketMqProductApp.class,args);
    }

}

子工程：rocketmq-consumer-service

pom.xml 

<dependencies>
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-web</artifactId>
    </dependency>
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-test</artifactId>
    </dependency>
    <dependency>
        <groupId>org.projectlombok</groupId>
        <artifactId>lombok</artifactId>
        <scope>provided</scope>
    </dependency>
    <dependency>
        <groupId>org.apache.rocketmq</groupId>
        <artifactId>rocketmq-spring-boot-starter</artifactId>
        <version>2.1.1</version>
    </dependency>

</dependencies>

<build>
    <plugins>
        <plugin>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-maven-plugin</artifactId>
            <!--                <version>2.3.12.RELEASE</version>-->
        </plugin>
    </plugins>
</build>

application.yml

server:
  port: 9082
#rocketmq 相关配置
rocketmq:
  name-server: 49.235.127.115:9876
  producer:
    group: my-producer-group


logging:
  file:
    path: /usr/log/mqproductservice/mqproductservice.log
  level:
    root: INFO
    com.anran.projectmanage.mapper: DEBUG

启动：

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

package com.jyc.listener;

import lombok.extern.slf4j.Slf4j;
import org.apache.rocketmq.spring.annotation.RocketMQMessageListener;
import org.apache.rocketmq.spring.core.RocketMQListener;
import org.springframework.stereotype.Component;

/**
 * @author jianyongchao
 * @date: 2022-03-24 14:02:24
 * @company: tianbo
 * @description:
 */
@Component
@RocketMQMessageListener(topic = "first-topic",consumerGroup = "my-consumer-group")
@Slf4j
public class Consumer implements RocketMQListener<String> {
    @Override
    public void onMessage(String s) {
        log.info(s);
    }
}


http://localhost:8082/mq/convertAndSend/16