Springboot 仅在项目启动时执行一次

参考:https://blog.csdn.net/u010349272/article/details/108028504

一，ApplicationRunner 接口

@Component
public class Runner implements ApplicationRunner {
    @Autowired
    private ZkUserService zkUserService;
    @Override
    public void run(ApplicationArguments args) throws Exception {
        System.out.println("===============");
    }
}

二，CommandLineRunner 接口

@Component
public class Runner implements CommandLineRunner {
    @Autowired
    private ZkUserService zkUserService;
    @Override
    public void run(String... args) throws Exception {
        System.out.println("===============");
    }
}