QTreeWidget{
font: 13pt "楷体";
color: rgb(26, 202, 255);
border:1px solid rgb(170, 170, 127);
border-radius:3px;
/*background-color: rgb(161, 230, 254);*/
}
QTreeWidget::item{
margin:6px;
background-clip: margin;
}
表头样式：
vstyle = "QHeaderView::section { \
\
color:rgb(255, 255, 255);\
border:1px solid rgb(170, 170, 127);\
border-bottom:1px solid #E0DDDC;\
border-radius:3.2px;\
font: 15pt \"楷体\";\
height:30px;}"
调用：
self.treeWidget_test.header().setStyleSheet(vstyle)