src/com/ysm/service/SaleService.java

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package com.ysm.service;

import com.ysm.emtity.Order;
import com.ysm.emtity.Sale;
import com.ysm.utils.Page;

import java.util.List;

public interface SaleService {
	//查询订单
	public List<Sale> findOrder();
	public int total();

	//获取id
	public Sale getId(Integer id);

	//修改订单
	public void updateSale(Sale sale);
	//删除订单
	public void deleteSale(Integer id);

	//多条件查询订单
	public List<Sale> findOrderById(String order_id,String goodsname);

	//退货
	public void updateOrderByReturn(Sale sale);

	//添加销售订单
	public void addSale(Sale sale);

	//获取id
	public Sale getSaleId(Integer id);
}