python练习之购物车脚本

 # -*- coding:utf-8 -*-
   #简单的购物车小程序   author:李瑞鑫
 shopping_car =[]
 product_list_tatol = "---product list----"
 welcome = "-----------welcome to shopping marketi----------"
 product_list = [
     ('iphone',5888),
     ('lenovo',998),
     ('cup',12),
     ('thinkpad',4500),
     ('notebook',6)
 ]
 print welcome
 salary = raw_input("input your salary:>>>")
 if salary.isdigit():
     salary = int(salary)
 while True:
     print product_list_tatol
     for item in product_list:
         print product_list.index(item)+1,item
     choice = raw_input("choice you want to buy:>>> ___   0 to exit")
     if choice.isdigit():
         choice = int(choice)
     if choice > 5 or choice < 0:
         print  "no this goods,请重新选择"
         continue
     elif choice <=5 and choice >=1:
         if salary < product_list[choice-1][1]:
             print "账户余额不足，请购买其他商品或者退出"
             continue
         else:
             pass
         item_choice = product_list[choice-1]
         shopping_car.append(item_choice)
         print "you buy goods is", shopping_car
         salary = salary - product_list[choice-1][1]
         print "your balance is %d"%(salary)

     elif choice == 0:
         print  "you buy goods is",shopping_car,
         print "your balance is %d"%(salary)
         exit()

2.带有身份认证的购物车程序

 # -*- coding:utf-8 -*-
 import time, os
 shop_car3 = []
 shop_car2 = []
 user_list = []
 count = 0
 user = "liruixin"
 password = ""
 raw_user = raw_input("username:")
 f = open("user.txt", 'a+')
 lines = []
 for lines in f.readlines():
     lines = lines.replace("\n", "").split(",")
 f.close()
 for i in lines:
     if i == raw_user:
         print "this user is locked, please request to root"
         exit()
     else:
         pass
 while count < 3:
     if raw_user == user:
         raw_password = raw_input("password:")
         count = count + 1
         if count == 3:
             user_list.append(raw_user)
             user = open('user.txt', 'a')
             for raw_user in user_list:
                 user.write(raw_user + ',')
             user.close()
         else:
             pass
         if raw_password == password:
             print "success"
             a = time.localtime()
             b = time.strftime("%Y-%m-%d %H:%M:%S", a)
             title = "welcome to shopping"
             print b.center(40, "*")
             print title.center(40, "*")
             shop_car = []
             goods_list = [
                 ["iphone 7", 5888],
                 ["coffe", 30],
                 ["computer", 3999],
                 ["mac pro", 12000]
             ]
             filename = r'salary.txt'
             if os.path.exists(filename):
                 temp = open("salary.txt", "r")
                 for i in temp:
                     salary = i
                     print "您的卡上余额为", salary
             else:
                 salary = raw_input("请输入充值金额:")

             if salary.isdigit():
                 salary = int(salary)
             while True:
                 print "******* good list **********"
                 for i in enumerate(goods_list):
                     print i[0] + 1, i[1][0], i[1][1]
                 choice = raw_input("choice goods __  quit to exit:")
                 if choice.isdigit():
                     choice = int(choice)
                 if choice <= 4 and choice >= 1:
                     if salary >= goods_list[choice - 1][1]:
                         salary = salary - goods_list[choice - 1][1]
                         price = (goods_list[choice - 1][1])
                         item = (goods_list[choice - 1][0])
                         print "你购买了  [\033[32;1m%s\033[0m]   花费了 [\033[31;1m%d\033[0m] , 你的余额为 [\033[31;1m%d\033[0m]" % (
                             item, price, salary)
                         shop_car.append(item)
                         shop_car2.append(price)
                     else:
                         print "你的余额不足，请选择其他商品"
                         continue
                 elif choice == "quit":
                     print "你购买的商品如下"
                     a = set(shop_car)
                     for i in a:
                         print i,shop_car.count(i)
                     b = sum(shop_car2)
                     print "总共消费了 \033[32;1m%d\033[0m 元钱"%b
                     print "你的余额为\033[31;1m%d\033[0m 元" % salary
                     print "欢迎下载再来，拜拜"
                     salary_file = open("salary.txt", "w")
                     salary_file.write("%d" % salary)
                     salary_file.close()
                     exit()
                 else:
                     print "没有该商品，请重新输入"
                     continue
         else:
             print "this password error"
     else:
         print "no this user"
         exit()

3.带有充值功能的购物车

 # -*- coding:utf-8 -*-
 import time, os
 shop_car3 = []
 shop_car2 = []
 user_list = []
 yue = []
 count = 0
 user = "liruixin"
 password = ""
 message = "欢迎光临天猫超市，请登录"
 print message.center(50,"*")
 raw_user = raw_input("username:")
 f = open("user.txt", 'a+')
 lines = []
 for lines in f.readlines():
     lines = lines.replace("\n", "").split(",")
 f.close()
 for i in lines:
     if i == raw_user:
         print "this user is locked, please request to root"
         exit()
     else:
         pass
 while count < 3:
     if raw_user == user:
         raw_password = raw_input("password:")
         count = count + 1
         if count == 3:
             user_list.append(raw_user)
             user = open('user.txt', 'a')
             for raw_user in user_list:
                 user.write(raw_user + ',')
             user.close()
         else:
             pass
         if raw_password == password:
             pass

             a = time.localtime()
             b = time.strftime("%Y-%m-%d %H:%M:%S", a)
             title = "登录成功，正在跳转"
             print b.center(40, "*")
             print title.center(40, "*")
             shop_car = []
             goods_list = [
                 ["iphone 7", 5888],
                 ["coffe", 30],
                 ["computer", 3999],
                 ["mac pro", 12000]
             ]
             filename = r'salary.txt'
             if os.path.exists(filename):
                 temp = open("salary.txt", "r")
                 for i in temp:
                     salary = int(i)

                     print "您的卡上余额为", salary
                     chongzhi = raw_input("按a充值，按b进入商城")
                     if chongzhi =="b":
                         pass
                     if chongzhi =="a":
                         jine = int(raw_input("请输入充值金额："))
                         sums = int(i)+jine
                         salary = sums
                         print "充值成功，最新余额为 \033[32;1m%d\033[0m "%sums
                         g = open("salary.txt","w")
                         g.write(str(sums))
                         g.close()
             else:
                 salary = raw_input("请输入充值金额:")

                 if salary.isdigit():
                     salary = int(salary)
             while True:
                 print "******* good list **********"
                 for i in enumerate(goods_list):
                     print i[0] + 1, i[1][0], i[1][1]
                 choice = raw_input("choice goods __  quit to exit:")
                 if choice.isdigit():
                     choice = int(choice)
                 if choice <= 4 and choice >= 1:
                     if salary >= goods_list[choice - 1][1]:
                         salary = salary - goods_list[choice - 1][1]
                         price = (goods_list[choice - 1][1])
                         item = (goods_list[choice - 1][0])
                         print "你购买了  [\033[32;1m%s\033[0m]   花费了 [\033[31;1m%d\033[0m] , 你的余额为 [\033[31;1m%d\033[0m]" % (
                             item, price, salary)
                         shop_car.append(item)
                         shop_car2.append(price)
                     else:
                         rr = raw_input("你的余额不足，按y充值:按q返回商品列表")
                         if rr == "y":
                             r = int(raw_input("请输入充值金额："))
                             summ = int(salary)+r
                             print "充值成功，最新余额 \033[32;1m%d\033[0m"%summ
                             salary = summ
                             o = open("salary.txt","w")
                             o.write(str(summ))
                             o.close()
                         elif rr =="q":
                             continue

                 elif choice == "quit":
                     print "你购买的商品如下"
                     a = set(shop_car)
                     for i in a:
                         print i,shop_car.count(i)
                     b = sum(shop_car2)
                     print "总共消费了 \033[32;1m%d\033[0m 元钱"%b
                     print "你的余额为\033[31;1m%d\033[0m 元" % salary
                     print "欢迎下次再来，拜拜"
                     salary_file = open("salary.txt", "w")
                     salary_file.write("%d" % salary)
                     salary_file.close()
                     exit()
                 else:
                     print "没有该商品，请重新输入"
                     continue
         else:
             print "this password error"
     else:
         print "no this user"
         exit()