import tkinter as tk from tkinter import messagebox, ttk import time class FastFoodShop: def __init__(self, root): self.root = root self.root.title("🍔模拟快餐厅点餐系统") self.root.geometry("750x640") # 菜单 self.menu = { "汉堡": 99999, "薯条": 99999, "可乐": 99999, "炸鸡": 99999, "冰淇淋": 99999, "披萨小块": 99999 } self.order = {} # 当前顾客订单 self.all_orders = [] # 保存全部历史订单 self.customer_id = 1 # 顾客编号自动递增 # 会员等级配置 self.member_levels = { "非会员": 1.0, "普通会员(9折)": 0.9, "银卡会员(85折)": 0.85, "金卡会员(8折)": 0.8 } # 顶部信息区：顾客编号、堂食/外带、会员等级 info_frame = tk.Frame(root) info_frame.pack(pady=8) tk.Label(info_frame, text="顾客编号：", font=("SimHei",12)).grid(row=0,column=0) self.cid_label = tk.Label(info_frame, text=str(self.customer_id), font=("SimHei",12,"bold")) self.cid_label.grid(row=0,column=1,padx=5) tk.Label(info_frame, text="用餐类型：", font=("SimHei",12)).grid(row=0,column=2,padx=5) self.dine_type = tk.StringVar(value="堂食") ttk.Combobox(info_frame, textvariable=self.dine_type, values=["堂食","外带"], width=8).grid(row=0,column=3) tk.Label(info_frame, text="会员等级：", font=("SimHei",12)).grid(row=0,column=4,padx=5) self.member_var = tk.StringVar(value="非会员") member_combo = ttk.Combobox(info_frame, textvariable=self.member_var, values=list(self.member_levels.keys()), width=12) member_combo.grid(row=0,column=5) member_combo.bind("<>", lambda e:self.refresh_order()) # 菜单区域 menu_frame = tk.Frame(root) menu_frame.pack(pady=5) tk.Label(menu_frame, text="菜单", font=("SimHei",14)).grid(row=0,column=0,columnspan=4,pady=3) row_idx =1 for food_name, price in self.menu.items(): tk.Label(menu_frame, text=f"{food_name} ¥{price}", font=("SimHei",12)).grid(row=row_idx, column=0, padx=5) tk.Button(menu_frame, text="+", width=3, command=lambda n=food_name:self.add_food(n)).grid(row=row_idx, column=1) tk.Button(menu_frame, text="-", width=3, command=lambda n=food_name:self.sub_food(n)).grid(row=row_idx, column=2) row_idx +=1 # 当前订单 order_frame = tk.Frame(root) order_frame.pack(pady=8) tk.Label(order_frame, text="当前订单", font=("SimHei",14)).pack() self.order_text = tk.Text(order_frame, width=58, height=9, font=("SimHei",11)) self.order_text.pack() # 总价 self.total_label = tk.Label(root, text="应付总价：¥0", font=("SimHei",14)) self.total_label.pack(pady=4) # 功能按钮 btn_frame = tk.Frame(root) btn_frame.pack(pady=6) tk.Button(btn_frame, text="提交订单", width=10, command=self.submit_order, bg="#4CAF50",fg="white").grid(row=0,column=0,padx=6) tk.Button(btn_frame, text="清空订单", width=10, command=self.clear_order, bg="#f44336",fg="white").grid(row=0,column=1,padx=6) tk.Button(btn_frame, text="收银员后台", width=10, command=self.show_backend, bg="#2196F3",fg="white").grid(row=0,column=2,padx=6) def add_food(self,name): if name in self.order: self.order[name] +=1 else: self.order[name] = 1 self.refresh_order() def sub_food(self,name): if name in self.order and self.order[name]>0: self.order[name] -=1 if self.order[name]==0: del self.order[name] self.refresh_order() def refresh_order(self): self.order_text.delete(1.0, tk.END) raw_total = 0 for food,num in self.order.items(): p = self.menu[food] item = p*num raw_total += item # 获取折扣系数 discount = self.member_levels[self.member_var.get()] final = round(raw_total * discount,2) #写入文本框 for food,num in self.order.items(): p = self.menu[food] self.order_text.insert(tk.END, f"{food} ×{num} = ¥{p*num}\n") level_name = self.member_var.get() if level_name != "非会员": self.order_text.insert(tk.END, f"\n原价 ¥{raw_total} | {level_name} → ¥{final}") else: self.order_text.insert(tk.END, f"\n合计 ¥{final}") self.total_label.config(text=f"应付总价：¥{final}") def submit_order(self): if not self.order: messagebox.showwarning("提示","您还没有选择任何菜品！") return raw_total = sum(self.menu[f]*n for f,n in self.order.items()) discount = self.member_levels[self.member_var.get()] final_total = round(raw_total * discount,2) member_level = self.member_var.get() #保存订单记录 order_info = { "cid": self.customer_id, "dine_type": self.dine_type.get(), "member_level": member_level, "items": self.order.copy(), "raw_total": raw_total, "final_total": final_total, "time": time.strftime("%Y-%m-%d %H:%M:%S") } self.all_orders.append(order_info) #弹窗小票 msg = f"====订单小票【顾客{self.customer_id}】====\n用餐方式：{self.dine_type.get()}\n会员等级：{member_level}\n" for food,num in self.order.items(): msg += f"{food} ×{num}\n" msg += f"\n原价：¥{raw_total}\n应付金额：¥{final_total}" messagebox.showinfo("下单成功！", msg) #新顾客，编号+1，清空当前订单 self.customer_id +=1 self.cid_label.config(text=str(self.customer_id)) self.clear_order() def clear_order(self): self.order.clear() self.refresh_order() def show_backend(self): backend_win = tk.Toplevel(self.root) backend_win.title("收银员后台 - 全部订单记录") backend_win.geometry("680x480") txt = tk.Text(backend_win, width=80, height=22, font=("SimHei",10)) txt.pack(padx=10,pady=10) if len(self.all_orders)==0: txt.insert(tk.END,"暂无任何订单\n") else: total_income =0 for od in self.all_orders: txt.insert(tk.END,f"——————————————\n顾客编号：{od['cid']} | {od['time']}\n用餐类型：{od['dine_type']} | 会员等级：{od['member_level']}\n") for food,num in od['items'].items(): txt.insert(tk.END,f" {food} ×{num}\n") txt.insert(tk.END,f"原价¥{od['raw_total']}，实收¥{od['final_total']}\n") total_income += od['final_total'] txt.insert(tk.END,f"\n====================\n今日总收入：¥{round(total_income,2)}") txt.config(state="disabled") if __name__ == "__main__": window = tk.Tk() app = FastFoodShop(window) window.mainloop()