uidab:看看qss路径。
 (2022-10-03 13:41) 
 
    QFile qss(QString::fromStdString("D:\\FbppReleaseReframe\\CAM\\bin\\config\\qrc\\qss\\style.qss"));
    //QFile qss(QString::fromStdString(":\\qss\\qss\\style.qss"));
    if (qss.open(QFile::ReadOnly))
    {
        QString style = QLatin1String(qss.readAll());
        setStyleSheet(style);
        qss.close();
    }
绝对路径和相对路径都试过