Python3 implements shopping cart function
这篇文章主要为大家详细介绍了Python3实现购物车功能,具有一定的参考价值,感兴趣的小伙伴们可以参考一下
本文实例为大家分享了Python3实现购物车功能的具体代码,供大家参考,具体内容如下
购物车要求:
1、启动程序后,输入用户名密码后,如果是第一次登录,让用户输入工资,然后打印商品列表
2、允许用户根据商品编号购买商品
3、用户选择商品后,检测余额是否够,够就直接扣款,不够就提醒
4、可随时退出,退出时,打印已购买商品和余额
5、在用户使用过程中, 关键输出,如余额,商品已加入购物车等消息,需高亮显示
6、用户下一次登录后,输入用户名密码,直接回到上次的状态,即上次消费的余额什么的还是那些,再次登录可继续购买
7、允许查询之前的消费记录
逻辑图:
执行代码:
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购物车用户信息档案.txt
{'name': {'password': '10000'}, 'cx': {'123': '725.0'}, 'robert': {'qw': '440.0'}, 'cv1': {'1': 100.5}, 'ROBERT': {'QW': 1560.0}, 'qwe': {'qw': '1555.0'}}
历史购物信息.txt
{'name': [['iphone', 5800],['bike', 800]], 'cx':[['iphone', 5800],['apple', 5],['apple', 5], ['book', 75]]}
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