行长：显示员工信息，显示顾客信息，修改银行利率，添加员工，对全体员工发信息，对全体顾客发信息，修改个人信息，查看信件。 员工：存款，取消账户挂失，开户，显示所有用户，修改个人信息。 用户：贷款，转账，取款，挂失，显示存款信息，修改个人信息，给行长发信，查看信件。-President: to display the employee information, customer information is displayed, modify the interest rates, ad

银行ATM系统,包含新老用户注册登陆、账户的查询已经之间的转账功能，也能及时打印操作的内容，还能修改个人信息等，比较简单，但功能很全面。-Bank ATM systems, including old and new user registration landing, and account inquiries transfers between time to print the contents of the operation, but also modify personal info