python点餐系统

import time DrinkMenu = {1:"豆浆", 2:"果汁", 3:"牛奶"} FoodMenu = {1:"馒头", 2:"包子", 3:"鸡蛋", 4:"油条"} OrderList = [] # 存放当天所有顾客下单信息 def getCharge(drinkNo,foodNo): # 计算费用函数 drinkCharge = 0.0 foodCharge = 0.0 if drinkNo == 1: drinkCharge = 3.0 elif drinkNo == 2: drinkCharge = 4.5 elif drinkNo == 3: drinkCharge = 4.0 if foodNo == 1: foodCharge = 1.0 elif foodNo == 2: foodCharge = 2.5 elif foodNo == 3: foodCharge = 2.0 elif foodNo == 4: foodCharge = 1.5 return drinkCharge + foodCharge def orderMenu(): print("\n-----欢迎点餐------") # 饮料 print("我们提供的饮品：") for drink in DrinkMenu: print(str(drink)+":"+DrinkMenu[drink]) drinkNo = int(input("请输入序号选择您需要的饮品(13)：")) print(drinkNo) while drinkNo > 3: drinkNo = int(input("输入错误。请输入序号选择您需要的饮品(13)：")) print("您选择了: " + DrinkMenu[drinkNo] + "\n") # 主食 print("我们提供的食物: ") for food in FoodMenu: print(str(food) + ": " + FoodMenu[food]) foodNo = int(input("请输入序号选择您需要的食物(14): ")) while foodNo > 4: foodNo = int(input("输入错误。请输入序号选择您需要的食物(14): ")) print("您选择了: " + FoodMenu[foodNo] + "\n") # 计算费用 totalPrice = getCharge(drinkNo, foodNo) print("将马上为您奉上%s和%s，共消费%.2f元。" % (DrinkMenu[drinkNo], FoodMenu[foodNo], totalPrice)) # 获取时间 import time OrderDate = time.strftime('%Y-%m-%d', time.localtime(time.time())) OrderTime = time.strftime('%H:%M:%S', time.localtime(time.time())) # 将所有信息添加到OrderList OrderList.append([OrderDate, OrderTime, DrinkMenu[drinkNo], FoodMenu[foodNo], totalPrice]) def printReport(OrderList): totalPrice = 0 print("\n--------------------- 统计报表 ---------------------\n") print("点餐日期\t\t点餐时间\t\t饮料\t主食\t花费(元)") for order in OrderList: totalPrice += order[4] print(order[0] + "\t" + order[1] + "\t%s\t%s\t%.2f" % (order[2], order[3], order[4])) print("\n累计收入 %.2f 元。" % totalPrice) def exportReport(OrderList): dataFile = open("AllReport.txt", "w", encoding="utf-8") for order in OrderList: dataFile.write(order[0] + "\t" + order[1] + "\t%s\t%s\t%.2f元\n" % (order[2], order[3], order[4])) dataFile.close() print("---- 成功导出报表。 ----") # 入口程序 while(True): print("\n----------欢迎使用点餐系统----------") print("本软件提供如下功能: \n 1. 点餐\n 2. 打印报表\n 3. 存储报表\n 4. 退出系统") choice=int(input("请输入数字选择一项功能：")) if choice == 1: print("点餐") orderMenu() elif choice == 2: print("打印报表") printReport(OrderList) elif choice == 3: print("存储报表") exportReport(OrderList) elif choice == 4: exit(0) else: print("请输入正确的序号(1~4)。")

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