@Override
public void delete(int engineid) throws Exception {
// 删除销售记录
ISellDao sdo = DaoFactory.getSellDao();
SellValue sv = sdo.get(engineid);
if (sv != null) {
sdo.delete(sv);
}
}
@Override
public SellValue get(int engineid) throws Exception {
// 返回单一销售信息
ISellDao sdo = DaoFactory.getSellDao();
return sdo.get(engineid);
}