#作业名称：购物车#作者：Marvin#博客地址：#作业需求：1. 商品信息- 数量、单价、名称2. 用户信息- 帐号、密码、余额3. 用户可充值4. 购物历史信息5. 允许用户多次购买，每次可购买多件6. 余额不足时进行提醒7. 用户退出时 ，输出档次购物信息8. 用户下次登陆时可查看购物历史9. 商品列表分级显示#本次作业需求：1. 商品信息- 数量、单价、名称2. 用户信息- 帐号、密码、余额3. 用户可充值4. 购物历史信息5. 允许用户进行多次购买，每次可购买多件6. 余额不足时进行提醒7. 用户退出时 ，输出档次购物信息8. 用户下次登陆时可查看购物历史9. 商品列表分级显示
import os#展示商品列表def goodsList_show(): print('''Choice the goods you want，here are the list: %s'''%(goodsList))#读取被锁定用户信息def getLockedList(): f=open('locked','r') lockedList=f.read() # print(lockedList) locked_list=lockedList.split('#') # print(locked_list) f.close() return locked_list#添加被锁定用户名def addLockedUsername(name): f1=open("locked",'a+') f1.write('#'+name) f1.close()#登录def login(username): lockedList=getLockedList() # print(lockedList) while True: if username in userList: #判断是否被锁定 if username in lockedList: print("your account has been locked") os._exit(0) else: password=input('please input your password>>') if userList[username][0]==password: print("welcome!") break else: count[username] +=1 if count[username]>=3: print("Input wrong password three times,your account is locked!") addLockedUsername(username) os._exit(0) else: username=input("worry username!please try again>>") if username not in count: count[username]=0 login(username) count[username] +=1#显示用户信息def user_information_show(username): print("用户名为%s,余额为%s" %(username,userList[username][-1]))#获取用户购物历史信息def shopping_History_show(username): if username in shoppingHistroy: print("Your shoppingHistory:%s"%(shoppingHistroy[username])) else: print("您暂时还没有购物记录，快去购物吧！")#添加到购物车def add_to_shoppingCar(item): if item in shopping_Car: shopping_Car[item][-1] += 1 else: shopping_Car[item]=[goodsList[item],1]#获取购物车def shoppingCar_show(username): print("Your shoppingCar %S"%(shopping_Car[username]))#删除购物车内商品def del_from_shoppingCar(goodname): if goodname in shopping_Car: del shopping_Car[goodname] else: print("购物车内不存在该商品")#充值def recharge(s): if str.isdigit(s): userList[username][-1] +=int(s) print("充值成功！")#展示购物记录def shoppingRecord_show(): print("Your shoppingRecord:%s"%(shoppingRecord))#结算def checkOut(): amountShouldPay=0 if len(shopping_Car)==0: print("Nothing to checkOut") else: for item in shopping_Car: amountShouldPay+= shopping_Car[item][0]*shopping_Car[item][-1] if amountShouldPay <= userList[username][-1]: userList[username][-1] -=amountShouldPay print("CheckOut success!") for item in shopping_Car: for item1 in shoppingHistroy[username]: if item1==item: shoppingHistroy[username][item1][-1] +=shopping_Car[item][-1] else: shoppingHistroy[username][item[0]]=shopping_Car[item] else: print('Balance is not enough,recharge fist!') choice=input("input 'R' to recharge>>") if choice=="R": monkey=input("how much do you want to recharge>>") recharge(monkey) user_information_show(username) checkOut() #print("1") else: print("worry input") os._exit(0)#用户信息：用户名/密码/余额userList={ "Marvin":["q123",1000], "chenqifeng":["w1234",1500], "chenfan":["224466",2000]}#历史购物记录shoppingHistroy={ "Marvin": {"iphone":[5600,2], "bike":[1000,1] }, "chenqifeng": {"T-shirt":[199,1]}, "chenfan": {"chair":[1200,1]}}#商品列表goodsList={ "iphone":5600, "bike":1000, "T-shirt":199, "chair":1200, "cup":600}shoppingRecord={}shopping_Car={}myUsername=""count={}username=input("please input your username>>")count[username]=0login(username)user_information_show(username)shopping_History_show(username)goodsList_show()while(True): choice1=input(''' Which goods do you want to buy?please input the goodsname if you want to checkout,please input "C" if you want to quit,please input "Q" ''') if choice1 in goodsList: add_to_shoppingCar(choice1) elif choice1 =="C": print("your shoppingCar:%s"%(shopping_Car)) checkOut() continue elif choice1=="Q": shoppingRecord_show() print("goodbye!") os._exit(0) else: print("worry input")
转载于:https://www.cnblogs.com/Macal/p/7489561.html
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