XXL-JOB 如何整合dubbo？

（1）引入dubbo-spring-boot-starter和业务facade jar包依赖。

<dependency>
    <groupId>com.alibaba.spring.boot</groupId>
    <artifactId>dubbo-spring-boot-starter</artifactId>
    <version>2.0.0</version>
</dependency>
  
<dependency>
    <groupId>com.demo.service</groupId>
    <artifactId>xxx-facade</artifactId>
    <version>1.9-SNAPSHOT</version>
</dependency>

2）配置文件加入dubbo消费端配置（可根据环境定义多个配置文件，通过profile切换）。

Dubbo 服务消费者配置

spring.dubbo.application.name=xxl-job
  
spring.dubbo.registry.address=zookeeper://zookeeper.xyz:2183
spring.dubbo.port=20880
  
spring.dubbo.version=demo
spring.dubbo.group=demo-service

（3）代码中通过@Reference注入facade接口即可。

@Reference(check = false,version = "demo",group="demo-service")
private OfflineTaskExecutorFacade offlineTaskExecutorFacade;

（4）启动程序加入@EnableDubboConfiguration注解。

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