package com.lingnan.supermarket.dao; import java.util.Vector; import com.lingnan.supermarket.dto.InOrder; import com.lingnan.supermarket.dto.OutOrder; public interface outOrderService { //查询全部进货订单 Vector findAllOutOrder (); //查询某个进货订单 OutOrder findByIdOutOrder (String oNumber ); //默认princial为a1. 创建时new一个时间插入,总价随机模拟 int addOutOrder(String oNumber ,float allOutPrice ); int deleteOutOrder(String oNumber ); }