QSetting读写ini配置文件

QString ReadSettings(const QString& filepath, const QString& groupname, const QString& key)
{
    QString ret;
    QSettings* setting = new QSettings(filepath, QSettings ::IniFormat);
    setting->beginGroup(groupname);
    ret = setting->value(key).toString();
    setting->endGroup();
    return ret;
}
void WriteSettings(const QString& filepath, const QString& groupname,
    const QString& key, const QString& value, bool issync)
{
    QSettings* setting = new QSettings(filepath, QSettings ::IniFormat);
    setting->beginGroup(groupname);
    setting->setValue(key, value);
    setting->endGroup();
    if (issync)
        setting->sync();
}