using System;
using System.Collections.Generic;
using System.Data.SqlClient;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace Shop
{
public class ShopManager
{
//1.封装欢迎界面
时间: 2024-10-12 13:14:02
using System;
using System.Collections.Generic;
using System.Data.SqlClient;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace Shop
{
public class ShopManager
{
//1.封装欢迎界面