@EnableAspectJAutoProxy Aop功能开启注解
为容器中导入 @Import(AspectJAutoProxyRegistrar.class)组件,在其重写方法中注册 AnnotationAwareAspectJAutoProxyCreator (Aspectj自动代理生成器)
明名为 "org.springframework.aop.config.internalAutoProxyCreator";(起名)
AnnotationAwareAspectJAutoProxyCreator
->AspectJAwareAdvisorAutoProxyCreator
->AbstractAdvisorAutoProxyCreator
->AbstractAutoProxyCreator implements SmartInstantiationAwareBeanPostProcessor, BeanFactoryAware(后置处理器 ,在bean,beanfactory初始化完成后做事情)