package com.gk.firework.Service; import com.baomidou.mybatisplus.extension.service.IService; import com.gk.firework.Domain.ContractDetailInfo; import com.gk.firework.Domain.Vo.ProductVo; import java.util.Date; import java.util.List; public interface ContractDetailService extends IService { void deleteByOrder(String ordercode); List selectByOrder(String ordercode); void updateChangNum(String ordercode,String productCode, Integer returnNum); List selectAllDetailAtSpecificDate(String productCode, Date producedate); }