一、引言

餐饮收银系统是一种用于管理餐馆、咖啡厅、快餐店等餐饮业务的计算机化工具。它旨在简化点餐、结账、库存管理等任务，提高运营效率，增强客户体验，同时提供准确的财务记录。C# 餐饮收银系统是一种使用C#编程语言开发的餐饮业务管理软件，具有以下主要功能：

二、需求分析

分析思维导图

三、程序截图

登录

管理员主界面

添加食物界面

服务员订单界面

修改食物详情界面

未完成订单界面

支付成功界面

四、程序说明

管理员账号和密码：admin, admin
服务员账号和密码: test, test
注：可自行注册账号并登录，但是只能注册服务员账号

五、代码

AdminWindows.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Shapes;namespace Cashier
{/// <summary>/// AdminWindow.xaml 的交互逻辑/// </summary>public partial class AdminWindow : Window{public AdminWindow(){InitializeComponent();frame.Source = new Uri("MenuEditPage.xaml", UriKind.Relative);}private void textBlock2_Copy_Click(object sender, RoutedEventArgs e){Button btn = sender as Button;String choice = btn.Content.ToString();switch (choice){case "菜单编辑":LoadMenuEditPage();break;case "添加食物":LoadAddFoddPage();break;case "食物编辑":LoadFoodEditPage();break;case "已完成订单":LoadOderCompletedPage();break;case "未完成订单":LoadOderNotPage();break;}}private void LoadMenuEditPage(){frame.Source = new Uri("MenuEditPage.xaml", UriKind.Relative);}private void LoadAddFoddPage(){frame.Source = new Uri("AddFoodPage.xaml", UriKind.Relative);}private void LoadOderCompletedPage(){frame.Source = new Uri("OderCompletedPage.xaml", UriKind.Relative);}private void LoadOderNotPage(){frame.Source = new Uri("OderNotPage.xaml", UriKind.Relative);}private void LoadFoodEditPage(){frame.Source = new Uri("FoodEditPage.xaml", UriKind.Relative);}}
}

AddFoodPage.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
using MySql.Data.MySqlClient;
namespace Cashier
{/// <summary>/// AddFoodPage.xaml 的交互逻辑/// </summary>///  public partial class AddFoodPage : Page{private String mysqlConnStr = "server=localhost;User Id=root;password=;Database=canyin";public AddFoodPage(){InitializeComponent();}private void btn_Click(object sender, RoutedEventArgs e){InsertFood();}private void InsertFood(){String foodName = foodNameBox.Text.ToString();String price = priceBox.Text.ToString();String category = categoryBox.Text;if(foodName.Equals("") || price.Equals("") || category.Equals("")){resultBox.Text = "请将食物信息填写完整";return;}// MessageBox.Show("食物名称是：" + foodName + ", 价格是： " + price + "， 种类是： " + category);try{MySqlConnection conn = new MySqlConnection(mysqlConnStr);conn.Open();String cmd = "insert into food(name, price, category) values('" + foodName + "','" + price + "','" + category + "')";MySqlCommand mycmd = new MySqlCommand(cmd, conn);if (mycmd.ExecuteNonQuery() > 0){           resultBox.Text = "食品添加成功";foodNameBox.Text = "";priceBox.Text = "";categoryBox.Text = "";conn.Close();}}catch (Exception e){resultBox.Text = "食品添加失败" + e.Message;}}}
}

CommonValue.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;namespace Cashier
{class CommonValue{public static int EDIT_FOOD_ID = 5;public static String mysqlConectString = "server=localhost;User Id=root;password=;Database=canyin";public static String USER_NAME;public static int FOOD_PAY_ID = 556;}
}

MainWindows.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
using MySql.Data.MySqlClient;namespace Cashier
{/// <summary>/// MainWindow.xaml 的交互逻辑/// </summary>public partial class MainWindow : Window{//用户账户private String user;private String password;public MainWindow(){InitializeComponent();}private void richTextBox_TextChanged(object sender, TextChangedEventArgs e){}private void textBox_TextChanged(object sender, TextChangedEventArgs e){}//监听注册按钮private void button1_Click(object sender, RoutedEventArgs e){Button btn = sender as Button;String choice = btn.Content.ToString();switch (choice){case "登录":UserLogin();break;case "注册":UserRegister();break;}}private void button1_Click_1(object sender, RoutedEventArgs e){}private void UserLogin(){//用户登录的逻辑代码user = userBox.Text.ToString();password = passwordBox.Text.ToString();if(user.Equals("")){MessageBox.Show("请输入用户名");}else if(password.Equals("")){MessageBox.Show("请输入密码");}else{CheckInfoAndLogin();}}private void UserRegister(){//跳转到登陆界面RegisterWindow register = new RegisterWindow();register.Show();this.Close();}//检查用户的数据，如果查询失败则返回密码错误private void CheckInfoAndLogin(){try{             MySqlConnection conn = new MySqlConnection(CommonValue.mysqlConectString);conn.Open();string cmd = "select * from user where user='" + user + "'";MySqlCommand myCmd = new MySqlCommand(cmd, conn);MySqlDataReader reader = myCmd.ExecuteReader();reader.Read();string dbUser = reader["user"].ToString();string dbPassword = reader["password"].ToString();if (password.Equals(dbPassword) && dbUser.Equals("admin")){OpenAdminWindow();CommonValue.USER_NAME = user;}else if (password.Equals(dbPassword)){OpenWaiterWindow();CommonValue.USER_NAME = user;}else{MessageBox.Show("密码输入错误，请重新输入!");}conn.Close();}catch(Exception e){String msg = e.Message;MessageBox.Show("数据库连接错误！" + msg);}}//打开管理员窗口private void OpenAdminWindow(){AdminWindow aw = new AdminWindow();aw.Show();this.Close();}//打开服务员窗口private void OpenWaiterWindow(){WaiterWindow ww = new WaiterWindow();ww.Show();this.Close();}}
}

OderNotPage.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
using MySql.Data.MySqlClient;
using System.Data.SqlClient;
using System.Data;namespace Cashier
{/// <summary>/// OderNotPage.xaml 的交互逻辑/// </summary>public partial class OderNotPage : Page{public OderNotPage(){InitializeComponent();ShowOders();}private void ShowOders(){try{//获取表格DataTable data = new DataTable("oder");data.Columns.Add(new DataColumn("oder_id", typeof(string)));data.Columns.Add(new DataColumn("sum", typeof(string)));MySqlConnection conn = new MySqlConnection(CommonValue.mysqlConectString);conn.Open();string cmd = "select * from oder where complete=0";MySqlCommand myCmd = new MySqlCommand(cmd, conn);MySqlDataAdapter mda = new MySqlDataAdapter(cmd, conn);MySqlDataReader reader = myCmd.ExecuteReader();while (reader.Read()){string id = reader["oder_id"].ToString();string name = reader["sum"].ToString();data.Rows.Add(id, name);}listView.DataContext = data.DefaultView;conn.Close();}catch (Exception e){MessageBox.Show("查询订单失败:" + e.Message);}}private void button_Click(object sender, RoutedEventArgs e){CommonValue.FOOD_PAY_ID = int.Parse(idPayBox.Text.ToString());NavigationWindow window = new NavigationWindow();window.Source = new Uri("OderDetailPage.xaml", UriKind.Relative);window.Show();}}
}

六、交流与联系

q:969060742 文档、完整代码、sql、程序资源