递归删除非空文件夹

最新推荐文章于 2024-04-16 19:24:32 发布

原创最新推荐文章于 2024-04-16 19:24:32 发布 · 891 阅读

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#delete #path #null #file

CStringList* g_pslDir = NULL;
CStringList* g_pslFile = NULL;

void main()
{
  g_pslDir = new CStringList;
  g_pslFile = new CStringList;
  g_pslDir->AddHead( GetPathName() );
  if ( RemoveAll( strDir ) )
  {
    delete g_pslFile;
    delete g_pslDir;
  }
}

//删除文件夹
BOOL RemoveDir(CString strDir)
{
if ( strDir.GetLength() != 0 )
{
  char* szDir = ( char* )( LPCSTR )( LPCTSTR )strDir;

  if ( _rmdir( szDir ) == 0 )
   return TRUE;
  else
   return FALSE;
}
return FALSE;
}

//获取系统目录
char* GetPathName()
{
char szPath[MAX_PATH] = {0};

if ( GetModuleFileName( NULL, szPath, MAX_PATH ) <= 0 )
{
  return "";
}

int i = MAX_PATH - 1;
int j = 0;

while ( i > 2 )
{
  if ( szPath[i--] == '//' )
  {
   j++;
  }
  if ( j == 1 )
  {
   break;
  }
}

szPath[i+1] = '/0';

return szPath;
}

//删除文件
BOOL RemoveFile(CString strFileName)
{
if ( strFileName.GetLength() != 0 && strFileName.Right( 4 ).Left( 1 ) == '.' )
{
  CFile file;
  file.Remove( ( char* )( LPCSTR )( LPCTSTR )strFileName );
  return TRUE;
}
return FALSE;
}

//遍历整个数据文件目录
int SereachPath(CString strPath)
{
WIN32_FIND_DATA find_data;
HANDLE hFindHandle;

CString strNewPath = strPath + "//*";
CString strDir;

hFindHandle = FindFirstFile( ( char* )( LPCSTR )( LPCTSTR )strNewPath, &find_data );

if ( INVALID_HANDLE_VALUE == hFindHandle )
{
return RT_ERROR;
}

do
{
  if ( FILE_ATTRIBUTE_DIRECTORY & find_data.dwFileAttributes )
  {
   if ( ( strcmp( find_data.cFileName, "." ) != 0 ) && ( strcmp( find_data.cFileName, ".." ) != 0 ) )
   {
    if ( strNewPath.Right( 1 ) == '*' )
    {
     strNewPath.Delete( strNewPath.GetLength() - 1, 1 );
    }
    strDir = strNewPath + find_data.cFileName;
    g_pslDir->AddHead( strDir );
    SereachPath( strDir );
   }
  }
  else
  {
   if ( strNewPath.Right( 1 ) == '*' )
    strNewPath.Delete( strNewPath.GetLength() - 1, 1 );
   g_pslFile->AddHead( strNewPath + ( CString )find_data.cFileName );
  }
  memset( &find_data, 0, sizeof( WIN32_FIND_DATA ) );
} while ( FindNextFile( hFindHandle, &find_data ) );

FindClose( hFindHandle );

return RT_OK;
}

BOOL RemoveAll(const CString strDataPath)
{
SereachPath( strDataPath );
int nFileNum = g_pslFile->GetCount(),
  nDirNum = g_pslDir->GetCount();

for ( int num=0; num<nFileNum; num++ )
{
  if ( RemoveFile( g_pslFile->GetHead() ) )
   g_pslFile->RemoveHead();
  else
   continue;
}

for ( num=0; num<nDirNum; num++ )
{
  if ( RemoveDir( g_pslDir->GetHead() ) )
   g_pslDir->RemoveHead();
  else
   continue;
}

return TRUE;
}