基于ATM的火车票销售系统， 本系统新增的功能为用户输入购票的起点和终点，通过ATM系统中的车票数据库的相应判断，打印输出相应的车票，并且在账户中扣除相应的金额。-ATM-based train ticket sales system The new feature in the system of user input for the purchase of starting and ending points. ATM systems through the ticket data