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