https://blog.csdn.net/weixin_42303052/article/details/89233887
https://blog.csdn.net/lutao614/article/details/80881800
https://blog.csdn.net/lutao614/article/details/80902460
qt model/view/delegate
原文：https://www.cnblogs.com/wangjian8888/p/12027890.html
