获取windows版本信息的做法

作者：朱金灿

来源：http://blog.csdn.net/clever101

个人不建议用 GetVersion 或GetVersionEx 之类的 API 来获取系统版本号。注意微软也说过，这个结果会受到兼容模式的影响，即如果程序设置兼容模式为 XP 那么拿到的也可能是 5.1 的。所以要准确的获取版本号，我建议直接获取 kernel32.dll 的主版本号，这个是和系统的版本号是一样的。

下面是我写的一个获取windows版本信息的两个函数，供大家参考：

// 具体版本信息参考Operating System Version https://msdn.microsoft.com/en-us/library/ms724832.aspx
enum enOsInfo
{
OS_UNKNOWN = 0, // 未知的操作系统
OS_WIN_NT_3_5, // win nt 4.0,1996年7月发布
OS_WIN_95,   // win 95
OS_WIN_98,
OS_WIN_ME, // windows me
    OS_WIN_2000,
OS_WIN_XP,
OS_WIN_XP_64, // win xp 64位
OS_WIN_SERVER2003,
    OS_WIN_SERVER2003_R2,
OS_WIN_VISTA,
OS_WIN_SERVER2008,
OS_WIN_SERVER2008_R2,
OS_WIN7,
OS_WIN7_64,
OS_WIN_SERVER2012,
    OS_WIN8, //6.2
OS_WIN8_64,
OS_WIN_SERVER2012_R2,
OS_WIN8_1  // 6.3
};

bool GetWindowsVersion(int& nMajorVersion,int& nMinorVersion,int& nBuildVersion,int& nReviVersion)
{
TCHAR szDLLName[MAX_PATH] = { 0 };
HRESULT hr = SHGetFolderPath(NULL, CSIDL_SYSTEM, NULL, SHGFP_TYPE_CURRENT, szDLLName);
if (SUCCEEDED(hr) && PathAppend(szDLLName, _T("kernel32.dll")))
{
DWORD dwVerInfoSize = GetFileVersionInfoSize(szDLLName, NULL);
if (dwVerInfoSize > 0) {
LPVOID pvVerInfoData = (LPVOID)new BYTE[dwVerInfoSize];
if (GetFileVersionInfo(szDLLName, 0, dwVerInfoSize, pvVerInfoData)) {
UINT ulLength = 0;
VS_FIXEDFILEINFO* pVsInfo = NULL;
if (VerQueryValue(pvVerInfoData, _T("\\"), (LPVOID *)&pVsInfo, &ulLength))
{
nMajorVersion = HIWORD(pVsInfo->dwFileVersionMS);
nMinorVersion = LOWORD(pVsInfo->dwFileVersionMS);
nBuildVersion = HIWORD(pVsInfo->dwFileVersionLS);
nReviVersion = LOWORD(pVsInfo->dwFileVersionLS);
delete[] pvVerInfoData;
return true;
}
}
delete[] pvVerInfoData;
}
}
return false;
}

enOsInfo GetOsInfo()
{
        enOsInfo os_info =  OS_UNKNOWN;

int nMajorVersion,nMinorVersion,nBuildVersion,nReviVersion;
if(GetWindowsVersion( nMajorVersion,nMinorVersion,nBuildVersion,nReviVersion))
{
            switch(nMajorVersion)
{
case 3:
{
                   os_info = OS_WIN_NT_3_5;
   break;
}
case 4:
{
switch(nMinorVersion)
{
case 0:
os_info = OS_WIN_95;
break;
case 1:
os_info = OS_WIN_98;
break;
case 9:
os_info = OS_WIN_ME;
break;
default:
                        break;
}
   break;
}
case 5:
{
switch(nMinorVersion)
{
case 0:
os_info = OS_WIN_2000;
break;
case 1:
os_info = OS_WIN_XP;
break;
case 2:
{
SYSTEM_INFO info;        //用SYSTEM_INFO结构判断64位AMD处理器
GetNativeSystemInfo(&info);    //调用GetSystemInfo函数填充结构
OSVERSIONINFOEX os;
os.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEX);     

if(GetVersionEx((OSVERSIONINFO *)&os))
{
if(os.wProductType==VER_NT_WORKSTATION
&&(info.wProcessorArchitecture == PROCESSOR_ARCHITECTURE_AMD64||
info.wProcessorArchitecture == PROCESSOR_ARCHITECTURE_IA64))
{
os_info = OS_WIN_XP_64;
}
else if(GetSystemMetrics(SM_SERVERR2)==0)
    os_info = OS_WIN_SERVER2003; //2003年3月发布
else if(GetSystemMetrics(SM_SERVERR2)!=0)
os_info = OS_WIN_SERVER2003_R2;
}
break;
}
default:
break;
}
break;
}
    case 6:
{
SYSTEM_INFO info;        //用SYSTEM_INFO结构判断64位AMD处理器
GetNativeSystemInfo(&info);    //调用GetSystemInfo函数填充结构
OSVERSIONINFOEX os;
os.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEX);     

if(!GetVersionEx((OSVERSIONINFO *)&os))
break;

switch(nMinorVersion)
{
case 0:
{
if(os.wProductType == VER_NT_WORKSTATION)
os_info = OS_WIN_VISTA;
else
os_info = OS_WIN_SERVER2008;
break;
}
case 1:
if(os.wProductType == VER_NT_WORKSTATION)
{
if(info.wProcessorArchitecture == PROCESSOR_ARCHITECTURE_AMD64
||info.wProcessorArchitecture == PROCESSOR_ARCHITECTURE_IA64)
os_info = OS_WIN7_64;
else
    os_info = OS_WIN7;
}
else
os_info = OS_WIN_SERVER2008_R2;
break;
case 2:
{
if(os.wProductType == VER_NT_WORKSTATION)
{
if(info.wProcessorArchitecture == PROCESSOR_ARCHITECTURE_AMD64
 ||info.wProcessorArchitecture == PROCESSOR_ARCHITECTURE_IA64)
os_info = OS_WIN8_64;
else
os_info = OS_WIN8;
}
else
os_info = OS_WIN_SERVER2012;
break;
}
case 3:
{
if(os.wProductType == VER_NT_WORKSTATION)
{
os_info = OS_WIN8_1;
}
else
os_info = OS_WIN_SERVER2012_R2;
break;
}
default:
break;
}
break;
}
default:
break;
}
}
return os_info;
}

参考文献：

1.  获取操作系统位数、名称、版本名称

2. GetVersionEx 如何区分win8和win8.1