后台1

puzhibing

2023-11-27 215822557a0eab337553832c3c0f92b81018c46a

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package com.dsh.course.service;
 
import com.baomidou.mybatisplus.extension.service.IService;
import com.dsh.course.entity.CancelledClasses;
import com.dsh.course.entity.CourseCounsum;
import com.dsh.course.entity.MoneyBack;
 
import java.util.List;
 
public interface CourseCounsumService extends IService<CourseCounsum> {
 
    List<MoneyBack> getRefund();
}