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 = "123456"
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 = "123456"
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()