package com.lovecoding.aop; import org.springframework.stereotype.Component; @Component("countterImpl") public class CountterImpl implements Counter { @Override public int add(int a, int b) { int n = a + b; System.out.println( "加法计算结果:" + n ); return n; } @Override public int sub(int a, int b) { int n = a - b; System.out.println( "减法计算结果:" + n ); return n; } }