这是用控制台应用程序编写的一个银行管理系统，包括1.查询余额 2.取钱 3.存款4.转账功能，可供初学者借鉴。-This is a console application written using a bank management system, including 1 check balances 2 withdrawals 3 deposit 4 transfer function for beginners learn.

用三层架构编写的wwindows控制台应用程序-----银行储蓄系统！-With three layers framework of writing wwindows console application-bank savings system!