直接看代码: package com.cn.spring.aop.impl; //加减乘除的接口类 public interface ArithmeticCalculator { int add(int i, int j); int sub(int i, int j); int mul(int i, int j); int div(int i, int j); } package com.cn.spring.aop.impl; //实现类 public class ArithmeticCalcu…