Spring Boot命令行运行器的实现方法

@SpringBootApplication
public class DemoApplication implements CommandLineRunner {
  private final Logger logger = LoggerFactory.getLogger(DemoApplication.class);
  public static void main(String args) {
    SpringApplication.run(DemoApplication.class, args);
  }
  @Override
  public void run(String... strings) throws Exception {
   ....
  }
}

@Component
@Order(1)
public class AnotherDatabaseLoader implements CommandLineRunner {

@Component
@Order(2)
public class DataLoader implements CommandLineRunner {

@SpringBootApplication
public class UnsplashApplication {
  public static void main(String args) {
    SpringApplication.run(UnsplashApplication.class, args);
  }
  @Bean
  CommandLineRunner runner(){
    return args -> {
      System.out.println("CommandLineRunner running in the UnsplashApplication class...");
    };
  }
}