package com.lingnan.supermarket.dao; import java.util.Vector; import com.lingnan.supermarket.dto.InOrder; public interface inOrderService { //查询全部进货订单 Vector findAllInOrder (); //查询某个进货订单 InOrder findByIdinOrder (String iNumber); //默认princial为a1. 创建时new一个时间插入,总价随机模拟 int addInOrder(String iNumber,float allInPrice ); int deleteInOrder(String iNumber); }