spring aop之链式调用的实现

抽象类,实现前置通知后置通知实现模拟模拟通知类beforeAdvice->afterReturningAdvice测试类，测试通知输出: 时序图 beforeAdvice->afterReturningAdviceafterReturningAdvice->beforeAdvice修改输出: 时序图 afterReturningAdvice->beforeAdvice代码下载github:代码下载github: