关于QStandardItemMode的资料
https://blog.csdn.net/u013360881/article/details/76468127
https://blog.csdn.net/chunyexiyu/article/details/77656869
https://www.cnblogs.com/fuqia/p/8908182.html
https://blog.csdn.net/u013360881/article/details/76468127
https://blog.csdn.net/chunyexiyu/article/details/77656869
https://www.cnblogs.com/fuqia/p/8908182.html
