QT 删除文件指定目录

bool deleteDir(const QString &dirName)
{
    QDir directory(dirName);
    if (!directory.exists())
    {
        return true;
    }


    QString srcPath = QDir::toNativeSeparators(dirName);
    if (!srcPath.endsWith(QDir::separator()))
        srcPath += QDir::separator();


    QStringList fileNames = directory.entryList(QDir::AllEntries | QDir::NoDotAndDotDot | QDir::Hidden);
    bool error = false;
    for (QStringList::size_type i=0; i != fileNames.size(); ++i)
    {
        QString filePath = srcPath + fileNames.at(i);
        QFileInfo fileInfo(filePath);
        if (fileInfo.isFile() || fileInfo.isSymLink())
        {
            QFile::setPermissions(filePath, QFile::WriteOwner);
            if (!QFile::remove(filePath))
            {
                qDebug() << "remove file" << filePath << " faild!";
                error = true;
            }
        }
        else if (fileInfo.isDir())
        {
            if (!deleteDir(filePath))
            {
                error = true;
            }
        }
    }


    if (!directory.rmdir(QDir::toNativeSeparators(directory.path())))
    {
        qDebug() << "remove dir" << directory.path() << " faild!";
        error = true;
    }
    return !error;
}