(1) 仿某银行ATM的界面 (2) 凭正确的卡号和密码进入系统（若密码输入错误次数达到上限锁定卡号）。 (3) 能够实现存款，取款，修改密码等基本功能。 -(1) imitation of a bank ATM interface (2) with the correct card number and password into the system (if the number of errors reaches the limit password locked card n