【SpringBoot应用篇】Spring Boot中BeanPostProcessor接口的作用

public interface BeanPostProcessor {
     
    @Nullable
	default Object postProcessBeforeInitialization(Object bean, String beanName) throws BeansException {
		return bean;
	}
	
	@Nullable
	default Object postProcessAfterInitialization(Object bean, String beanName) throws BeansException {
		return bean;
	}
}