基础

// 获得系统版本.cpp : 定义控制台应用程序的入口点。
//

#include "stdafx.h"
#include <windows.h>

#include <atlstr.h> //非MFC字符串对象
#include <cstringt.h>//MFC字符串对象

#include <iostream>

using namespace std;




int main()
{
    CString strOS;

    OSVERSIONINFOEX    OsVerInfoEx;    // 版本信息
    OsVerInfoEx.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEX);
    GetVersionEx((OSVERSIONINFO*)&OsVerInfoEx); // 注意转换类型

    switch (OsVerInfoEx.dwPlatformId)
    {

    case VER_PLATFORM_WIN32_NT:
        if (OsVerInfoEx.dwMajorVersion <= 4)
            strOS = "WindowsNT";
        if (OsVerInfoEx.dwMajorVersion == 5 && OsVerInfoEx.dwMinorVersion == 0)
            strOS = "Windows2000";
        if (OsVerInfoEx.dwMajorVersion == 5 && OsVerInfoEx.dwMinorVersion == 1)
            strOS = "WindowsXP";
        if (OsVerInfoEx.dwMajorVersion == 5 && OsVerInfoEx.dwMinorVersion == 2)
            strOS = "Windows2003";
        if (OsVerInfoEx.dwMajorVersion == 6 && OsVerInfoEx.dwMinorVersion == 0)
            strOS = "WindowsVista";
        if (OsVerInfoEx.dwMajorVersion == 6 && OsVerInfoEx.dwMinorVersion == 1)
            strOS = "Windows7";
        if (OsVerInfoEx.dwMajorVersion == 6 && OsVerInfoEx.dwMinorVersion == 2)
            strOS = "Windows10";
    }

    printf("%S", strOS);
    return 0;
}