一个火车票票务管理系统，含有查询，修改，删除，可以设置全屏显示，设置查询后数据的排序方式，比如按车票，时间的升序和降序排序-A train ticket management system, with the query, modify, delete, you can set the full screen, set the query after the data is sorted, such as by ticket, in ascending and descending order