简单的atm操作网页使用jdbc，有管理者和普通用户之分，管理者查看用户信息（不包括密码）和系统存款、系统余额。普通用户存取款和查看余额。-Atm operation page uses jdbc, managers and users of sub-managers to view the user information (not including the password) and system deposits, the system balance. Deposit and chec