黑马博学谷产品经理精英进阶课

   implements SmartInstantiationAwareBeanPostProcessor, BeanFactoryAware {    @Override    public Object postProcessAfterInitialization(@Nullable Object bean, String beanName) {        if (bean != null) {            Object cacheKey = getCacheKey(bean.getClass(), beanName);            if (this.earlyProxyReferences.remove(cacheKey) != bean) {                //前面AOP的博文有分析过                return wrapIfNecessary(bean, beanName, cacheKey);