开课吧B端产品经理实战训练营

ReflectiveAspectJAdvisorFactory extends AbstractAspectJAdvisorFactory implements Serializable {        public Advisor getAdvisor(Method candidateAdviceMethod, MetadataAwareAspectInstanceFactory aspectInstanceFactory,                int declarationOrderInAspect, String aspectName) {                //获取切点信息，如果candidateAdviceMethod不是切面方法，则返回null                AspectJExpressionPointcut expressionPointcut = getPointcut(                        candidateAdviceMethod, aspectInstanceFactory.getAspectMetadata().getAspectClass());                if (expressionPointcut == null) {                    return null;                }