1.在安装RocketMQ之前需要安装JDK环境 https://mp.csdn.net/console/editor/html/105397186
2.下载liunx下的rocketMQ安装包 官网下载也慢,这里提供百度云地址
链接:https://pan.baidu.com/s/1tcwRF2C3lup_88q_TozqpA
提取码:ve1m
3.将安装包拖到 /usr 目录下解压
4.进入到bin目录,vi runserver.sh 编辑文件runserver.sh文件.RocketMQ默认启内存4G,这里修改调小一下.
5.继续修改配置,vi runbroker.sh ,默认8G ,这里需要调小,不然还是启动不了
6.先启动NameServer
7.启动broker连接到nameServer ,nameServer默认端口号9876
8.查看连接
9.使用开源框架连接rocketMQ, rocket控制台 https://github.com/apache/rocketmq-externals
10.导入开源项目,连接rocket ,注意关闭防火墙 ,启动项目连接rocket
11.查看rocket控制台 .
12.springboot整合rocketmq简单使用
1.pom.xml
<!-- https://mvnrepository.com/artifact/org.apache.rocketmq/rocketmq-spring-boot-starter -->
<dependency>
<groupId>org.apache.rocketmq</groupId>
<artifactId>rocketmq-spring-boot-starter</artifactId>
<version>2.0.3</version>
</dependency>
2.application.properties配置文件
#服务端口
server.port=8088
#nameServer连接地址
rocketmq.name-server=192.168.0.110:9876
#分组 生产者必须要分组,才能拿到RocketMQTemplate模板
rocketmq.producer.group=mayikt_producer
3.生产者
@RestController
public class ProductController {
@Autowired
private RocketMQTemplate rocketMQTemplate;
@RequestMapping("/sendOrder")
public String sendOrder(){
OrderEntity orderEntity=new OrderEntity("123456","zhangwudi");
rocketMQTemplate.convertAndSend("mayikt-topic",orderEntity);
return "success";
}
}
4.消费者
@Service
@RocketMQMessageListener(topic = "mayikt-topic",consumerGroup = "mayikt_producer")
public class OrderConsumer implements RocketMQListener<OrderEntity> {
@Override
public void onMessage(OrderEntity orderEntity) {
System.out.println("orderEntity : "+orderEntity.toString());
}
}
5.测试