OrderMgr.java
资源名称:Shopping.rar [点击查看]
上传用户:lsj999sz
上传日期:2022-06-15
资源大小:4717k
文件大小:1k
源码类别:
ICQ/即时通讯
开发平台:
Java
- package com.bjsxt.shopping.order;
- import java.util.List;
- import com.bjsxt.shopping.client.Cart;
- import com.bjsxt.shopping.user.User;
- public class OrderMgr {
- private static OrderMgr mgr = null;
- private static OrderDAO dao = new OrderMySQLDAO();
- private OrderMgr() {}
- public static OrderMgr getInstance() {
- if(mgr == null) {
- mgr = new OrderMgr();
- }
- return mgr;
- }
- public int add(SalesOrder so) {
- return dao.add(so);
- }
- public int userBuy(Cart c, User u) {
- return u.buy(c);
- }
- public int getOrders(List<SalesOrder> list, int pageNo, int pageSize){
- return dao.getOrders(list, pageNo, pageSize);
- }
- public SalesOrder loadById(int id) {
- return dao.loadById(id);
- }
- public List<SalesItem> getSalesItems(SalesOrder order) {
- return dao.getSalesItems(order.getId());
- }
- public void updateStatus(SalesOrder order) {
- dao.updateStatus(order);
- //可以用dao.update来更新整个对象,这是一种更普遍的用法
- }
- }