QT创建文件夹

    QString path = "image_grab";
    QDir dir(path);
    dir.removeRecursively();
    if (!dir.exists()) {
        bool ismkdir = QDir().mkdir(path);
        if (!ismkdir)
            qDebug() << "Create path fail" << endl;
        else
            qDebug() << "Create fullpath success" << endl;
    }
    else {
        qDebug() << "fullpath exist" << endl;
    }