类似Windows自带的绘图程序的编程程序，适合初学者学习的，用的函数比较基础！-Windows comes with a drawing program similar to the programming process, suitable for beginners to learn, use and function basis for comparison!

QT展示项目类图，针对大型架构效果明显，另外，可给出缺陷分布图、代码变更分布图、复杂度分布图-QT class diagram demonstration projects for large-scale structure effect is obvious, the other can be given defect distribution, distribution of the code change, complexity,