aop学习总结三----aop的相关概念

aop学习总结三----aop的相关概念

public Object invoke(Object proxy, Method method, Object[] args)
            throws Throwable {//环绕通知
        PersonServiceBean bean = (PersonServiceBean) this.targetObject;
        Object result = null; 
        if(bean.getUser()!=null){
            //beforeadvice()-->前置通知
            try {
                result = method.invoke(targetObject, args);
                // afteradvice() -->后置通知
            } catch (RuntimeException e) {
                //exceptionadvice()--> 例外通知
            }finally{
                //finallyadvice(); -->最终通知
            }
        }
        return result;
    }