C++获取当前系统名称

std::string getSystemName()

{

std::string vname;

//先判断是否为win8.1或win10 

typedef void(__stdcall*NTPROC)(DWORD*, DWORD*, DWORD*);

HINSTANCE hinst = LoadLibrary(ConvertCharToLPWSTR("ntdll.dll"));

DWORD dwMajor, dwMinor, dwBuildNumber;

NTPROC proc = (NTPROC)GetProcAddress(hinst, "RtlGetNtVersionNumbers");

proc(&dwMajor, &dwMinor, &dwBuildNumber);

if (dwMajor == 6 && dwMinor == 3)  //win 8.1 

{

vname = "Microsoft Windows 8.1";

printf_s("此电脑的版本为:%s\n", vname.c_str());

return vname;

}

if (dwMajor == 10 && dwMinor == 0)  //win 10 

{

vname = "Microsoft Windows 10";

printf_s("此电脑的版本为:%s\n", vname.c_str());

return vname;

}

//下面判断不能Win Server，因为本人还未有这种系统的机子，暂时不给出 

//判断win8.1以下的版本 

SYSTEM_INFO info;                //用SYSTEM_INFO结构判断64位AMD处理器   

GetSystemInfo(&info);            //调用GetSystemInfo函数填充结构   

OSVERSIONINFOEX os;

os.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEX);

#pragma warning(disable:4996) 

if (GetVersionEx((OSVERSIONINFO *)&os))

{

//下面根据版本信息判断操作系统名称   

switch (os.dwMajorVersion)

{                        //判断主版本号   

case 4:

switch (os.dwMinorVersion)

{                //判断次版本号   

case 0:

if (os.dwPlatformId == VER_PLATFORM_WIN32_NT)

vname = "Microsoft Windows NT 4.0";  //1996年7月发布   

else if (os.dwPlatformId == VER_PLATFORM_WIN32_WINDOWS)

vname = "Microsoft Windows 95";

break;

case 10:

vname = "Microsoft Windows 98";

break;

case 90:

vname = "Microsoft Windows Me";

break;

}

break;

case 5:

switch (os.dwMinorVersion)

{              //再比较dwMinorVersion的值   

case 0:

vname = "Microsoft Windows 2000";    //1999年12月发布   

break;

case 1:

vname = "Microsoft Windows XP";      //2001年8月发布   

break;

case 2:

if (os.wProductType == VER_NT_WORKSTATION &&

info.wProcessorArchitecture == PROCESSOR_ARCHITECTURE_AMD64)

vname = "Microsoft Windows XP Professional x64 Edition";

else if (GetSystemMetrics(SM_SERVERR2) == 0)

vname = "Microsoft Windows Server 2003";  //2003年3月发布   

else if (GetSystemMetrics(SM_SERVERR2) != 0)

vname = "Microsoft Windows Server 2003 R2";

break;

}

break;

case 6:

switch (os.dwMinorVersion)

{

case 0:

if (os.wProductType == VER_NT_WORKSTATION)

vname = "Microsoft Windows Vista";

else

vname = "Microsoft Windows Server 2008";  //服务器版本   

break;

case 1:

if (os.wProductType == VER_NT_WORKSTATION)

vname = "Microsoft Windows 7";

else

vname = "Microsoft Windows Server 2008 R2";

break;

case 2:

if (os.wProductType == VER_NT_WORKSTATION)

vname = "Microsoft Windows 8";

else

vname = "Microsoft Windows Server 2012";

break;

}

break;

default:

vname = "未知操作系统";

}

printf_s("此电脑的版本为:%s\n", vname.c_str());

return vname;

}

else

printf_s("版本获取失败\n");

return vname;

}