QT qss全局设置字体

QLabel,
QLineEdit,
QRadioButton,
QComboBox,
QCheckBox,
QPushButton,
QGroupBox,
QTableView,
QTableWidget,
QHeaderView::section/*表头样式*/
{
  font-family: "Microsoft YaHei";
}

菜单栏样式

QMenu
{
     background-color: white; /* sets background of the menu 设置整个菜单区域的背景色，我用的是白色：white*/
     border: 1px solid white;/*整个菜单区域的边框粗细、样式、颜色*/
     font-family: "Microsoft YaHei";
}

QMenu::item
{
     /* sets background of menu item. set this to something non-transparent
         if you want menu color and menu item color to be different */
     background-color: transparent;
     padding:8px 32px;/*设置菜单项文字上下和左右的内边距，效果就是菜单中的条目左右上下有了间隔*/
     margin:0px 8px;/*设置菜单项的外边距*/
     border-bottom:1px solid #DBDBDB;/*为菜单项之间添加横线间隔*/
     font-family: "Microsoft YaHei";
}

QMenu::item:selected
{ /* when user selects item using mouse or keyboard */
     background-color: #2dabf9;/*这一句是设置菜单项鼠标经过选中的样式*/
}

代码设置

    this->setFont(QFont("Microsoft YaHei"));