AfterReturningAdvice 为什么在 MethodInterceptor : invoke 2 前面执行？

Question

跟老师演示结果有点出入？问题出在哪儿呢？方法拦截类代码：        System.out.println("AopMethodInterceptor : invoke 1 "+ invocation.getMethod().getName()+                            "  "+invocation.getStaticPart().getClass().getName());        Object object = invocation.proceed();        System.out.println("AopMethodInterceptor : invoke 2 "+ object);        return object;执行结果：log4j:WARN No appenders could be found for logger (org.springframework.core.env.StandardEnvironment).log4j:WARN Please initialize the log4j system properly.AopBeforeAdvice : Method save  org.aop.api.BizLogicImplAopMethodInterceptor : invoke 1 save  java.lang.reflect.MethodBizLogicImpl:save successAopAfterReturningAdvice:afterReturning()save  org.aop.api.BizLogicImpl  BizLogicImpl:save()AopMethodInterceptor : invoke 2 BizLogicImpl:save()