qt加载字体

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303103757q 2022-08-16 16:15:57 博主文章分类：QT ©著作权

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在main函数中

if ( QFontDatabase::addApplicationFont( QString("%1/resource/roboto-regular.ttf").arg( QCoreApplication::applicationDirPath() )) == -1 ){
        qDebug("load roboto-regular.ttf failed");
    }
    if ( QFontDatabase::addApplicationFont( QString("%1/resource/roboto-black.ttf").arg( QCoreApplication::applicationDirPath() ) ) == -1 ){
        qDebug("load roboto-black.ttf failed");
    }
    if ( QFontDatabase::addApplicationFont( QString("%1/resource/roboto-bold.ttf").arg( QCoreApplication::applicationDirPath() ) ) == -1 ){
        qDebug("load roboto-bold.ttf failed");
    }
    if ( QFontDatabase::addApplicationFont( QString("%1/resource/roboto-medium.ttf").arg( QCoreApplication::applicationDirPath() ) ) == -1 ){
        qDebug("load roboto-medium.ttf failed");
    }
    if ( QFontDatabase::addApplicationFont( QString("%1/resource/roboto-thin.ttf").arg( QCoreApplication::applicationDirPath() ) ) == -1 ){
        qDebug("load roboto-thin.ttf failed");
    }
    if ( QFontDatabase::addApplicationFont( QString("%1/resource/roboto-light.ttf").arg( QCoreApplication::applicationDirPath() ) ) == -1 ){
        qDebug("load roboto-light.ttf failed");
    }
    int id = QFontDatabase::addApplicationFont( QString("%1/resource/wqy.ttf").arg( QCoreApplication::applicationDirPath( ) ));
    QStringList list = QFontDatabase::applicationFontFamilies(id);
    if(list.count()>0)
    {
        QFont fontThis(list.at(0));
        QGuiApplication::setFont(fontThis);//设置字体
    }