C#模仿ATM取款机，实现基本的存取款功能,包含数据库。-C# imitate the ATM cash machines, to achieve the basic deposit and withdrawal functions, including the database.

实现了ATM基础功能（存钱、取钱、转账、身份验证等），数据库利用MD5加密(The basic functions of ATM (save money, money, transfer, authentication, etc.) are realized, and the database is encrypted with MD5)