银行管理系统可用于管理银行相关的客户数据，并执行一些典型的银行交易操作。实现的功能有：管理员增删用户账号，用户存款、取款、转账、查询、修改密码等；-Bank management system for managing bank related customer data, and perform some typical bank trading operations. Function can be achieved: Administrator deletions user account