//add by zhuxy  递归删除文件夹

BOOL myDeleteDirectory(CString directory_path)   //删除一个文件夹下的所有内容

{

	BOOL ret=TRUE;

	CFileFind finder;

	CString path;

	path.Format(_T("%s/*.*"),directory_path);

	BOOL bWorking = finder.FindFile(path);

	while(bWorking)

	{

		bWorking = finder.FindNextFile();

		if(finder.IsDirectory() && !finder.IsDots())

		{//处理文件夹

			myDeleteDirectory(finder.GetFilePath()); //递归删除文件夹

			RemoveDirectory(finder.GetFilePath());//只能删除空的文件夹

		}

		else

		{//处理文件

			DeleteFile(finder.GetFilePath());

		}

	}

	ret = RemoveDirectoryW(directory_path);

	return ret;

}