Constructor > BeanPostProcessor#postProcessBeforeInitialization > @PostConstruct >
InitializingBean#afterPropertiesSet > @bean(init-method="xxxx") >
BeanPostProcessor#postProcessAfterInitialization > 生存期 >
@PreDestroy > DisposableBean#destroy > @bean(destory-method="xxxx")
Bean在实例化的过程中：Constructor > @PostConstruct >InitializingBean > init-method
Bean在销毁的过程中：@PreDestroy > DisposableBean > destroy-method