QString CommonHelper::setStyle(const QString &style){    QByteArray str;    QFile qss(style);    qss.open(QFile::ReadOnly|QFile::Text);    if(qss.isOpen())    {        str = qss.readAll();        qss.close();    }    return QString::fromUtf8(str);}

 

QString style = CommonHelper::setStyle(":/qss/global_style.css");    setStyleSheet(style);