QT获取操作系统版本

static QString GetSysVersion()
{
    DWORD dwVersion = 0;
    WKSTA_INFO_100 *wkstaInfo = NULL;

    NET_API_STATUS netStatus = NetWkstaGetInfo(NULL, 100, (BYTE **)&wkstaInfo);
    if (netStatus == NERR_Success) {
        DWORD dwMajVer = wkstaInfo->wki100_ver_major;
        DWORD dwMinVer = wkstaInfo->wki100_ver_minor;
        dwVersion = (DWORD)MAKELONG(dwMinVer, dwMajVer);
        NetApiBufferFree(wkstaInfo);
    }

    char buf[128];
    sprintf(buf, "%d.%d", (dwVersion >> 16) & 0xffff, (dwVersion >> 0) & 0xffff);

    QString version = QString::fromLocal8Bit(buf);
    return version;
}

QString systemVersion()
{
    static QString verName = "";
    if (!verName.isEmpty()) {
        return verName;
    }

#ifdef Q_OS_WIN
    QString version = GetSysVersion();

    if (version.startsWith("5.1")) {
        verName = "Windows XP";
    } else if (version.startsWith("5.2")) {
        verName = "Windows XP 64-Bit Edition";
    } else if (version.startsWith("6.0")) {
        verName = "Windows Vista";
    } else if (version.startsWith("6.1")) {
        verName = "Windows 7";
    } else if (version.startsWith("6.2")) {
        verName = "Windows 8";
    } else if (version.startsWith("6.3")) {
        verName = "Windows 8.1";
    } else if (version.startsWith("10.0")) {
        verName = "Windows 10";
    } else {
        verName = "Windows-Unknown";
    }
#endif
    return verName;
}