//加載 dataId 為 example 的配置源，并開啟自動更新
//@NacosPropertySource(dataId = "example",autoRefreshed = true)
//加載不同groupId的配置
//@NacosPropertySource(dataId = "example", groupId ="test",autoRefreshed = true)
//加載不同dataId的配置
@NacosPropertySource(dataId = "example2",autoRefreshed = true)

#根據命名空間ID,加載不同namespace的配置
#nacos.config.namespace=a8128f5b-7f87-42c5-9ffd-c4f17da7ee34

server.port= 8080
#訪問的根路徑
server.context-path=/springboot-nacos
#Nacos服務名
spring.application.name=UserService
#nacos服務端的地址
nacos.config.server-addr=127.0.0.1:8848
#discovery地址
nacos.discovery.server-addr=127.0.0.1:8848
#根據命名空間ID,加載不同namespace的配置
#nacos.config.namespace=a8128f5b-7f87-42c5-9ffd-c4f17da7ee34

@SpringBootApplication
public class SpringbootNacosApplication {
  @NacosInjected
  private NamingService namingService;
  @Value("${server.port}")
  private int serverPort;

  @Value("${spring.application.name}")
  private String applicationName;
  //curl -X PUT 'http://127.0.0.1:8848/nacos/v1/ns/instance?serviceName=xxx&ip=127.0.0.1&port=8080'
  @PostConstruct
  public void registerInstance() throws NacosException {
    if(CollectionUtils.isEmpty(namingService.getAllInstances(applicationName))){
      namingService.registerInstance(applicationName,"127.0.0.1",serverPort);
    }
  }
  public static void main(String[] args) {
    SpringApplication.run(SpringbootNacosApplication.class, args);
  }

}

 Instance instance = namingService.selectOneHealthyInstance("UserService");