遞歸刪除非空文件夾

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;
  }
}

//刪除文件夾
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;
}

//獲取系統目錄
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;
}

//刪除文件
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;
}

//遍歷整個數據文件目錄
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;
}