火车订票小软件，可以接入火车订票的系统进行快捷订票，可能有些bug，希望共同完善-The train booking software can access the system shortcut booking train ticket, there may be some bug jointly improve

火车订票系统，模拟火车订票系统，进行注册，查询，定票，退票，改签等。-The train ticket booking system, simulate the train ticket booking system, register, query, booking tickets, refund, upgrade, etc.