Qt/C++获取应用软件版本号（ProductVersion/FileVersion）

void getFileVersionInfo(QString &strProductVersion, QString &strFileVersion)
{
	QString fullName = QCoreApplication::applicationFilePath();
	std::string strTemp = fullName.toStdString();
	LPCSTR str_path = strTemp.c_str();
	DWORD vHandle = 0;
	DWORD dwLen = GetFileVersionInfoSizeA(str_path, &vHandle);
	if (0 == dwLen) {
		return;
	}
	char* lpData = (char*)malloc(dwLen + 1);
	if (NULL == lpData) {
		return;
	}
	do {
		// ProductVersion
		BOOL bSuccess = GetFileVersionInfoA(str_path, 0, dwLen + 1, lpData);
		if (!bSuccess) break;
		LPVOID lpBuffer = NULL;
		UINT uLen = 0;
		bSuccess = VerQueryValueA(lpData, "\\StringFileInfo\\080404b0\\ProductVersion", &lpBuffer, &uLen);
		if (!bSuccess) {
			DWORD ttt = GetLastError();
			break;
		}
		strProductVersion = QString::fromLatin1((char *)lpBuffer);
		// FileVersion
		lpBuffer = NULL;
		uLen = 0;
		bSuccess = VerQueryValueA(lpData, "\\StringFileInfo\\080404b0\\FileVersion", &lpBuffer, &uLen);
		if (!bSuccess) {
			DWORD ttt = GetLastError();
			break;
		}
		strFileVersion = QString::fromLatin1((char *)lpBuffer);
	} while (false);
	free(lpData);
	lpData = NULL;
}