简单银行储蓄系统,该系统实现储蓄业务最常用的功能:存款、取款、查询、开户、销户、退出以及查询全部储户信息的功能。-Simple bank savings system, which is the most commonly used functions to achieve savings business: deposits, withdrawals, inquiries, account, an account, exit and check all depositors informati