获取系统版本代码收集

// 获取系统版本
void GetSystemName(char* osname)
{
	char buf[128];
	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);

	strcpy(buf, "unknown OperatingSystem.");

	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)
					strcpy(buf, "Microsoft Windows NT 4.0"); //1996年7月发布   
				else if (os.dwPlatformId == VER_PLATFORM_WIN32_WINDOWS)
					strcpy(buf, "Microsoft Windows 95");
				break;
			case 10:
				strcpy(buf, "Microsoft Windows 98");
				break;
			case 90:
				strcpy(buf, "Microsoft Windows Me");
				break;
			}
			break;

		case 5:
			switch (os.dwMinorVersion)  //再比较dwMinorVersion的值  
			{
			case 0:
				strcpy(buf, "Microsoft Windows 2000"); //1999年12月发布  
				break;

			case 1:
				strcpy(buf, "Microsoft Windows XP"); //2001年8月发布  
				break;

			case 2:
				if (os.wProductType == VER_NT_WORKSTATION
					&& info.wProcessorArchitecture == PROCESSOR_ARCHITECTURE_AMD64)
				{
					strcpy(buf, "Microsoft Windows XP Professional x64 Edition");
				}
				else if (GetSystemMetrics(SM_SERVERR2) == 0)
					strcpy(buf, "Microsoft Windows Server 2003"); //2003年3月发布   
				else if (GetSystemMetrics(SM_SERVERR2) != 0)
					strcpy(buf, "Microsoft Windows Server 2003 R2");
				break;
			}
			break;

		case 6:
			switch (os.dwMinorVersion)
			{
			case 0:
				if (os.wProductType == VER_NT_WORKSTATION)
					strcpy(buf, "Microsoft Windows Vista");
				else
					strcpy(buf, "Microsoft Windows Server 2008"); //服务器版本   
				break;
			case 1:
				if (os.wProductType == VER_NT_WORKSTATION)
					strcpy(buf, "Microsoft Windows 7");
				else
					strcpy(buf, "Microsoft Windows Server 2008 R2");
				break;
			case 2:
				strcpy(buf, "WIN 10");
				break;
			}
			break;
		}
	}//if(GetVersionEx((OSVERSIONINFO *)&os))  

	strcpy(osname, buf);
}
// 方案 1 
// 判断机器是32位还是64位
BOOL Is64BitOS()
{
	typedef VOID (WINAPI *LPFN_GetNativeSystemInfo)( __out LPSYSTEM_INFO lpSystemInfo );
	LPFN_GetNativeSystemInfo fnGetNativeSystemInfo = (LPFN_GetNativeSystemInfo)GetProcAddress( GetModuleHandleW(L"kernel32"),"GetNativeSystemInfo");
	if(fnGetNativeSystemInfo)
	{
		SYSTEM_INFO stInfo = {0};
		fnGetNativeSystemInfo( &stInfo);
		if( stInfo.wProcessorArchitecture == PROCESSOR_ARCHITECTURE_IA64
			|| stInfo.wProcessorArchitecture == PROCESSOR_ARCHITECTURE_AMD64)
		{
			return TRUE;
		}
	}
	return FALSE;
}
// 方案2
BOOL Is64BitOS()
{
    SYSTEM_INFO stInfo = {0};
    GetSystemInfo(&stInfo);
    		if( stInfo.wProcessorArchitecture == PROCESSOR_ARCHITECTURE_IA64
			|| stInfo.wProcessorArchitecture == PROCESSOR_ARCHITECTURE_AMD64)
		{
			return TRUE;
		}
    return FALSE;
}