qt官网：http://download.qt.io/official_releases/qt/ B站视频：https://www.bilibili.com/video/BV1e7411h7i9 卸载：https://blog.csdn.net/sanqima/article/details/106727290 qt安装并与vs2017挂载：https://blog.csdn.net/qing666888/article/details/8885721
