| package com.dsh.course.service.impl; | 
|   | 
| import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl; | 
| import com.dsh.course.entity.CourseCounsum; | 
| import com.dsh.course.entity.MoneyBack; | 
| import com.dsh.course.mapper.CourseCounsumMapper; | 
| import com.dsh.course.mapper.MoneyBackMapper; | 
| import com.dsh.course.service.CourseCounsumService; | 
| import com.dsh.course.service.MoneyBackService; | 
| import org.springframework.stereotype.Service; | 
|   | 
| @Service | 
| public class MoneyBackServiceImpl extends ServiceImpl<MoneyBackMapper, MoneyBack> implements MoneyBackService { | 
| } |