Qt4做的列车时刻表查询系统，使用了MySQL数据库。非常适合学习Qt+MySQL编程。-Qt4 do train schedule query system, using the MySQL database. Ideal for learning Qt+ MySQL programming.

列车时刻查询系统和课程设计报告，将列车信息定义为一个类－train_infor并且将相关的函数进行定义-Train time query system and curriculum design report, the train information is defined as a class-train_infor and related functions are defined

简易的全国交通管理查询系统，包括列车查询系统和航班查询系统。它有查询城市，查询车次，查询航班等功能。-Simple national traffic management query system, including the train inquiry system and flight inquiry system. It has the query city, query trips, check flight.