SpringBoot启动时生效的注解@PostConstruct

@RestController
public class HelloController {

    @Value("${spring.rabbitmq.username}")
    private String address;

    @PostMapping("/info")
    public  String info(){
        System.out.println("脚手架");
        return "标准开发脚手架";
    }

    @PostConstruct
    public void testSys() {
        System.out.println("========================================================测试地址" + address);
    }

}