https://blog.csdn.net/superbfly/article/details/53199667
https://blog.csdn.net/jiuzuidongpo/article/details/45485127
setAlignment(Qt.AlignBottom)#字体格式垂直方向靠下
https://blog.csdn.net/superbfly/article/details/53199667
https://blog.csdn.net/jiuzuidongpo/article/details/45485127
setAlignment(Qt.AlignBottom)#字体格式垂直方向靠下