Python 购物车

Posted 2020-09-28

功能要求：

要求用户输入总资产，例如：2000
显示商品列表，让用户根据序号选择商品，加入购物车
购买，如果商品总额大于总资产，提示账户余额不足，否则，购买成功。
附加：可充值、某商品移除购物车
goods = [
    {"name": "电脑", "price": 1999},
    {"name": "鼠标", "price": 10},
    {"name": "游艇", "price": 20},
    {"name": "美女", "price": 998},
]

shoping=[]

goods = [
    {"name": "电脑", "price": 1999},
    {"name": "鼠标", "price": 10},
    {"name": "游艇", "price": 20},
    {"name": "美女", "price": 998},
]

while True:
    salary=input(‘Your salary : ‘)
    if salary.isdigit():
        int(salary)
        break
    else:
        continue
while True:
#    print(goods)
    for index , i in enumerate(goods):
        print(index , ‘.‘ , i["name"],i["price"] )
    choice = input(‘请选择要购买的商品编号：‘)
    salary=int(salary)
    if choice.isdigit():
        choice=int(choice)
        if choice >=0 and choice < len(goods):
            p=goods[choice]
            # print(p)
            if salary >=p[‘price‘]:
                salary -= p["price"]
                shoping.append(p)
                print("Added \033[32;1m[%s]\033[0m into you shopping cart,and you current balance is \033[31;1m%s\033[0m " % (
                    p[‘name‘], salary))
            else:
                print("你的钱不够")
                chongzhi=input(‘是否需要充值 Y/N:‘)
                if chongzhi == "Y" or chongzhi == ‘y‘ :
                    salary_chongzhi=input("请输入充值的金额")
                    if salary_chongzhi.isdigit():
                        salary_chongzhi=int(salary_chongzhi)
                    salary=salary_chongzhi+salary
                else:
                    continue
    elif choice == ‘delete‘:
        for index, i in enumerate(shoping):
            print(index, ‘.‘, i[‘name‘], i[‘price‘])
        delete = input(‘请输入你想要删除的商品编号：‘)
        if delete.isdigit():
            delete=int(delete)
            # if delete >=0 and delete < len(shoping):
            salary+=shoping[delete][‘price‘]
            shoping.pop(delete)
    elif choice == ‘shop‘:
        print(shoping)

    elif choice=="quit":
        print("你购买的商品列表：",shoping)
        exit()

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