#1）电商购物会员登录和会员注册；会员有属性：姓名、性别、登录账号、密码、累计积分值、会员资格；#会员资格分为：金钻、银钻、高级、普通等级别。#2）完善商品库：设置购买该商品可以获得的积分，要求不同会员等级赠送的积分不同#3）建立获得不同级别会员资格所需的积分数标准规则，会员达到一定积分时，就可以升级会员资格，成为更高级别的会员资格。#4）增加会员购买商品获得积分的记录更新，更新积分的同时根据累计的积分是否达到相应会员资格级别，更新会员资格信息。def logon(tename,tepassword,credit): if tename == logname and tepassword ==logpassword: print("------------------------") print("欢迎您 "+name+" 使用电商购买系统") print("您的积分："+str(credit)+" 等级为："+Membertype(credit)) else: print("账号密码错误请重新输入 或 注册账号")menbertypr = "普通级别"def Membertype(credit): if credit<100: menbertypr = "普通级别" elif 100<=credit<200: menbertypr = "高级级别" elif 200<=credit<300: menbertypr = "银钻级别" elif 300<=credit<400: menbertypr = "金钻级别" else: menbertypr = "终身VIP级别" return menbertyprcre=0def like(): i = 2 # 为了通过修改i 退出多重循环 allChoice = [] while (i): for num in range(len(shop)): # 打印商品列表 print(str(shop[num][0]).ljust(5), shop[num][1].ljust(20), str(shop[num][2]).ljust(10), str(shop[num][3]).ljust(10)) choice = input("请输入要加入购物车的商品编号：") choice = [int(it) for it in choice.split(' ')] allChoice += choice # choice是单次选择的商品列表，allchoice是所有选择的商品列表 while (1): total = 0 total1 = 0 global cre credit = cre choiceSet = set(allChoice) # 转换成集合，便于不重复计数 for it in choiceSet: print(shop[it - 1][0], shop[it - 1][1], shop[it - 1][2], '*', allChoice.count(it)) total += shop[it - 1][2] * allChoice.count(it) print("总计：", total, ) print("---------------------------------\n" "1：继续选购 2:整理购物车 Buy：结算\n") option = input("请选择：") if option == '1': break elif option == '2': item_num = int(input("请输入要删除的商品：")) allChoice.remove(item_num) # 每次只会删除一个元素 continue if option == 'Buy': for it in choiceSet: print("*************结算**************") print(shop[it - 1][0], shop[it - 1][1], shop[it - 1][2], '*', allChoice.count(it)) total1 += shop[it - 1][2] * allChoice.count(it) credit += shop[it - 1][3] * allChoice.count(it) print("总计：", total1, "积分为：", credit, "会员等级：", Membertype(credit)) print("-----信息更新成功！！！------") print("尊敬的",name,"性别",sex) print("您的积分：" + str(credit) + " 等级为：" + Membertype(credit)) print("-----感谢您的使用，再见！------") cre =credit i =0 break else: print("输入错误请重新输入！")shop = {}a = 1shop = [['1', '奔驰', 150000, 100], ['2', '宝马', 100000, 100], ['3', '越野', 28000, 100], ['4', '沃尔沃', 12000, 100], ['5', '野马', 450000, 50], ['6', '奥迪', 230000, 100], ['7', '红旗', 100000, 100]]while (a): a=input("请输入“登录”或“注册”：") if a=="注册": name=input("请输入姓名：") sex = input("请输入性别：") logname = input("请输入账号：") logpassword = input("请输入密码：") credit=cre=0 elif a=="登录": tename = input("请输入账号：") tepassword = input("请输入密码：") try: credit=cre logon(tename,tepassword,credit) like() except: print("请先注册帐号！") 
