判断操作系统的c++源代码

#include
#include
#include

void getSystemName()
{
std::string vname;
//先判断是否为win8.1或win10
typedef void(__stdcall*NTPROC)(DWORD*, DWORD*, DWORD*);
HINSTANCE hinst = LoadLibrary("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("此电脑的版本为:%s\n", vname.c_str());
return;
}
if (dwMajor == 10 && dwMinor == 0) //win 10
{
vname = "Microsoft Windows 10";
printf("此电脑的版本为:%s\n", vname.c_str());
return;
}
//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("此电脑的版本为:%s\n", vname.c_str());
}
else
printf("版本获取失败\n");
}
int main()
{
getSystemName();
system("pause");
return 0;
}