如何获取文件夹大小

来源：互联网发布：数据库性能编辑：程序博客网时间：2024/05/16 16:05

DWORD64 GetFolderSize(LPCTSTR szPath, DWORD *dwFiles, DWORD *dwFolders)
{
TCHAR szFileFilter[512];
TCHAR szFilePath[512];
HANDLE hFind = NULL;
WIN32_FIND_DATA fileinfo;
DWORD64 dwSize = 0;

lstrcpy(szFilePath,szPath);
lstrcat(szFilePath,L"//");
lstrcpy(szFileFilter,szFilePath);
lstrcat(szFileFilter,L"*.*");

hFind = FindFirstFile(szFileFilter,&fileinfo);
do
{
  if(fileinfo.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
  {
   if (!lstrcmp(fileinfo.cFileName,L".") || !lstrcmp(fileinfo.cFileName,L".."))
   {
    //Do nothing for "." and ".." folders
   }
   else
   {
    TCHAR sztmp[512];
    lstrcpy(sztmp,szFilePath);
    lstrcat(sztmp,fileinfo.cFileName);
    dwSize += GetFolderSize(sztmp,dwFiles,dwFolders);

    if(dwFolders != NULL)
    {
     ++(*dwFolders);
    }
   }
  }
  else
  {
   if(dwFiles != NULL)
   {
    ++(*dwFiles);
   }
  }

dwSize += (fileinfo.nFileSizeHigh * (MAXDWORD+1)) + fileinfo.nFileSizeLow;//fileinfo.nFileSizeLow;

}while(FindNextFile(hFind,&fileinfo));

FindClose(hFind);
return dwSize;
}