qss_use.txt

/*
QString strPath = QCoreApplication::applicationDirPath();
qDebug()<<strPath;
QString strCssFile = strPath + "/my.qss";
QFile fCss(strCssFile);
if( !fCss.open(QFile::ReadOnly))
{
        qDebug("css File %s load false",strCssFile);
        return;
}
QString strCssContent(fCss.readAll());
setStyleSheet(strCssContent);
fCss.close();*/
use qss file