简易银行系统 可提供查询,取款,存款操作.

并且取款能够查询现有金额,假如取款金额 超过系统预设金额,取款机拒绝取款.. -Easy banking system can provide information, withdrawal, deposit operations. And be able to query the current amount of withdrawal, if the withdrawal amount exceeds the amount of system default, ATM withdrawals refused ..