火车票订票管理系统，每个信息系统按照系统的业务逻辑至少完成查询、删除、修改、更新四大功能，界面设计精美，系统功能符合日常使用逻辑规范，程序代码具有健壮性-Train ticket booking management system, each information system at least according to the system' s business logic to complete the query, delete, modify, update the four