Qt加载本地字体 .ttc或.ttf

    //设置本地字体,黑体简
    
    int fontId = QFontDatabase::addapplicationFont(QCoreApplication::applicationDirPath() + "/黑体简.TTC");    qDebug() << "fontId = "<< fontId;    QString msyh = QFontDatabase::applicationFontFamilies(fontId).at(0);    qDebug() <<"msyh = " <<msyh;    QFont font(msyh);    QApplication::setFont(font);