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C++使用MFC获取PC硬件配置信息

转载 作者：qq735679552 更新时间：2022-09-28 22:32:09 27 4
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本文实例为大家分享了C++使用MFC获取PC硬件配置信息的具体代码，供大家参考，具体内容如下 。

函数如下, 使用VS2010编译通过，在XP和Win7电脑上运行过，被注释的loop 循环用于测试此方法是否稳定:

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//包含的头文件：
#include "afxdialogex.h"
#include <windows.h>
#include <sstream>
#include <fstream>
 
void Cget_systemDlg::OnBnClickedButton1()
{
  //for (int i = 0; i < 10000; i++) {
 
  std::ostringstream osConfig;
  osConfig.precision(1);
 
  // Computer Name
  TCHAR infoBuf[512] = {0};
  DWORD bufCharCount = 512;
  if (GetComputerName(infoBuf, &bufCharCount)) // MSDN: If the function succeeds, the return value is a nonzero value.
   osConfig << "Computer Name: " << infoBuf << std::endl;
  else
   osConfig << "!Error: failed to get computer name" << std::endl;
 
  // CPU
  CString strPath = CString( "HARDWARE\\DESCRIPTION\\System\\CentralProcessor\\0" );
  CRegKey regKey;
  LONG lResult;
  lResult = regKey.Open(HKEY_LOCAL_MACHINE, strPath, KEY_READ);
  if (lResult == ERROR_SUCCESS)
  { 
   TCHAR chCPUName[256] = {0};
   DWORD dwSize = 256;
   LPCSTR name = "ProcessorNameString" ;
   regKey.QueryValue(chCPUName,_T( "ProcessorNameString" ),&dwSize); 
   osConfig << "CPU Type: " << ( char *)chCPUName << std::endl;
   regKey.Close();
  }
  else
   osConfig << "!Error: failed to open register for read CPU." << std::endl;
 
  // OS Name
  char szOsType[MAX_PATH];
  HKEY hKey;
  LPCTSTR StrKey= "Software\\Microsoft\\Windows NT\\CurrentVersion" ;
  if (ERROR_SUCCESS == ::RegOpenKeyEx(HKEY_LOCAL_MACHINE,StrKey,NULL,KEY_READ,&hKey))
  {
   DWORD dwSize = 255;
   DWORD dwType = REG_SZ;
   LPCSTR KeyValue = "ProductName" ;
   if (ERROR_SUCCESS == ::RegQueryValueEx(hKey,KeyValue,0,&dwType,( BYTE *)szOsType,&dwSize))
    osConfig << "OS : " << szOsType;
   else
    osConfig << "!Error: failed to get OS name." << std::endl;
   ::RegCloseKey(hKey);
  }
  else
   osConfig << "!Error: failed to get OS name." << std::endl;
 
  SYSTEM_INFO si;
  GetNativeSystemInfo(&si); // MSDN: This function does not return a value.
  if (si.wProcessorArchitecture == PROCESSOR_ARCHITECTURE_AMD64 || si.wProcessorArchitecture == PROCESSOR_ARCHITECTURE_IA64 )
   osConfig << " 64bits" ;
  else
   osConfig << " 32bits" ;
 
  OSVERSIONINFO osVer;
  osVer.dwOSVersionInfoSize = sizeof (OSVERSIONINFO);
  if (::GetVersionEx (&osVer)) // MSDN: If the function succeeds, the return value is a nonzero value.
   osConfig << " " << osVer.szCSDVersion << " " << std::endl;
  else
   osConfig << "!Error: failed to get OS CSD version." ;
 
  // Memory
  MEMORYSTATUSEX statusex;
  statusex.dwLength = sizeof (statusex);
  if (GlobalMemoryStatusEx(&statusex)) // MSDN: If the function succeeds, the return value is nonzero.
  {
   osConfig << "Installed RAM: " << std::fixed << statusex.ullTotalPhys /1024/1024/1024.0 << "GB" ;
   osConfig << " Free RAM: " << std::fixed << statusex.ullAvailPhys/1024/1024/1024.0 << "GB" << std::endl;
  }
  else
   osConfig << "!Error: failed to get RAM information." << std::endl;
 
  // Hard Drive
  // GetLogicalDriveStrings(sizeof(cDriveArray), cDriveArray);
  // MSDN: If the function fails, the return value is zero.
  // If the function succeeds, the return value is the length, in characters, of the strings copied to the buffer,
  // not including the terminating null character
  ULARGE_INTEGER free ;
  ULARGE_INTEGER total;
  ULARGE_INTEGER totalfree;
  TCHAR szDriveArray[128] = {0};
  TCHAR *p, *pStart;
  pStart = szDriveArray;
  p = szDriveArray;
  int nLen = GetLogicalDriveStrings( sizeof (szDriveArray), szDriveArray);
  if (nLen !=0 )
  {
   while ((p = _tcschr(p, _T( '\0' ))) && p != szDriveArray + nLen )
   {
    if (GetDiskFreeSpaceEx(pStart, & free , &total, &totalfree)) // if success, nonzero
    {
     osConfig << "[" << pStart << "]" << " Total: " << std::fixed << total.QuadPart/1024/1024/1024.0
      << "GB Available: " << std::fixed << free .QuadPart/1024/1024/1024.0 << "GB" ;
     if (GetDriveType(pStart) == 3)
      osConfig << " - Fixed Drive" << std::endl;
     else if (GetDriveType(pStart) == 4)
      osConfig << " - (Remote Drive)" << std::endl;
     else
      osConfig << " - Other" << std::endl;
    }
    pStart = ++p;
   }
  }
  else
   osConfig << "!Error: failed to get logical drive name." << std::endl;
 
  AfxMessageBox(osConfig.str().c_str());
 
  //std::ostringstream file;
  //file << i << ".txt";
  //std::ofstream log(file.str().c_str());
 
  //log << osConfig.str().c_str();
  //log.close();
  //log.clear();
 
  //}
  AfxMessageBox( "DONE" );
}

输出类似如下的信息:

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Computer Name: ATE
CPU Type: Intel(R) Core(TM)2 Duo CPU  E7500 @ 2.93GHz
OS : Windows 7 Ultimate 64bits Service Pack 1
Installed RAM: 3.9GB Free RAM: 1.2GB
[C:\] Total: 48.8GB Available: 13.4GB - Fixed Drive
[D:\] Total: 100.0GB Available: 52.5GB - Fixed Drive
[E:\] Total: 149.3GB Available: 7.2GB - Fixed Drive
[K:\] Total: 4607.9GB Available: 230.9GB - (Remote Drive)
[M:\] Total: 2000.0GB Available: 1703.8GB - (Remote Drive)
[N:\] Total: 4607.9GB Available: 230.9GB - (Remote Drive)
[P:\] Total: 4607.9GB Available: 230.9GB - (Remote Drive)
[T:\] Total: 4607.9GB Available: 230.9GB - (Remote Drive)
[X:\] Total: 142.8GB Available: 20.9GB - (Remote Drive)

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