SpringBoot项目启动过程中做数据资源初始化的方式

publicinterfaceInitService {
voidinitData();
}
@ServicepublicclassInitServiceImplimplementsInitService {
@Value("${data.param}")
privateStringdataParam;
@OverridepublicvoidinitData() {
System.out.println("initData Service:param is "+dataParam);
    }
}

@SpringBootApplicationpublicclassSpringbootApplication {
publicstaticvoidmain(String[] args) {
ApplicationContextac=SpringApplication.run(Springboot26DemoApplication.class, args);
InitServiceinitServiceImpl= (InitService) ac.getBean("initServiceImpl");
if(initServiceImpl!=null){
System.out.println("==== SpringApplication.run Start=====");
initServiceImpl.initData();
System.out.println("==== SpringApplication.run End=====");
        }else{
System.out.println("==== SpringApplication.run Start=====");
System.out.println("====initServiceImpl is null=====");
System.out.println("==== SpringApplication.run End=====");
        }
    }
}

@SpringBootApplicationpublicclassSpringbootApplication {
publicstaticvoidmain(String[] args) {
ApplicationContextac=SpringApplication.run(Springboot26DemoApplication.class, args);
    }
@AutowiredprivateInitServiceinitServiceImpl;
@PostConstructpublicvoidinit(){
if(initServiceImpl!=null){
System.out.println("====PostConstruct Start=====");
initServiceImpl.initData();
System.out.println("====PostConstruct End=====");
        }else{
System.out.println("====PostConstruct Start=====");
System.out.println("====initServiceImpl is null=====");
System.out.println("====PostConstruct End=====");
        }
    }
}

@ComponentpublicclassInitBeanInitimplementsInitializingBean {
@AutowiredprivateInitServiceinitServiceImpl;
@OverridepublicvoidafterPropertiesSet() throwsException {
if(initServiceImpl!=null){
System.out.println("====InitializingBean afterPropertiesSet Start=====");
initServiceImpl.initData();
System.out.println("====InitializingBean afterPropertiesSet End=====");
        }else{
System.out.println("====InitializingBean afterPropertiesSet Start=====");
System.out.println("====initServiceImpl is null=====");
System.out.println("====InitializingBean afterPropertiesSet End=====");
        }
    }
}

@ComponentpublicclassInitDataBean {
@AutowiredprivateInitServiceinitServiceImpl;
@Bean(initMethod="init")
publicvoidinit() {
if(initServiceImpl!=null){
System.out.println("====@Bean(initMethod = \"init\") Start=====");
initServiceImpl.initData();
System.out.println("====@Bean(initMethod = \"init\") End=====");
        }else{
System.out.println("====@Bean(initMethod = \"init\") Start=====");
System.out.println("====initServiceImpl is null=====");
System.out.println("====@Bean(initMethod = \"init\") End=====");
        }
    }
}

@ComponentpublicclassInitAppListenerimplementsApplicationListener<ApplicationReadyEvent> {
@AutowiredprivateInitServiceinitServiceImpl;
@OverridepublicvoidonApplicationEvent(ApplicationReadyEventevent) {
if(initServiceImpl!=null){
System.out.println("====ApplicationReadyEvent Start=====");
initServiceImpl.initData();
System.out.println("====ApplicationReadyEvent End=====");
        }else{
System.out.println("====ApplicationReadyEvent Start=====");
System.out.println("====initServiceImpl is null=====");
System.out.println("====ApplicationReadyEvent End=====");
        }
    }
}

@ComponentpublicclassInitAppRunnerimplementsApplicationRunner {
@AutowiredprivateInitServiceinitServiceImpl;
@Overridepublicvoidrun(ApplicationArgumentsargs) throwsException {
if(initServiceImpl!=null){
System.out.println("====ApplicationRunner Start=====");
initServiceImpl.initData();
System.out.println("====ApplicationRunner End=====");
        }else{
System.out.println("====ApplicationRunner Start=====");
System.out.println("====initServiceImpl is null=====");
System.out.println("====ApplicationRunner End=====");
        }
    }
}

@ComponentpublicclassInitCommandRunnerimplementsCommandLineRunner {
@AutowiredprivateInitServiceinitServiceImpl;
@Overridepublicvoidrun(String... args) throwsException {
if(initServiceImpl!=null){
System.out.println("====CommandLineRunner Start=====");
initServiceImpl.initData();
System.out.println("====CommandLineRunner End=====");
        }else{
System.out.println("====CommandLineRunner Start=====");
System.out.println("====initServiceImpl is null=====");
System.out.println("====CommandLineRunner End=====");
        }
    }
}