本次的代码非常好，全部可以直接在xp下的QT运行，非常适合刚开始学习QT 的同学，必须要先搭建QT的开发环境才可以。-The code is very good, all directly in the QT running under xp, ideal for students just beginning to learn QT, QT must first set up a development environment before they can.