数据库编程

开发平台：
Visual C++

upload.lasso：源码内容
							[//lasso
/*
 * FCKeditor - The text editor for Internet - http://www.fckeditor.net
 * Copyright (C) 2003-2007 Frederico Caldeira Knabben
 *
 * == BEGIN LICENSE ==
 *
 * Licensed under the terms of any of the following licenses at your
 * choice:
 *
 *  - GNU General Public License Version 2 or later (the "GPL")
 *    http://www.gnu.org/licenses/gpl.html
 *
 *  - GNU Lesser General Public License Version 2.1 or later (the "LGPL")
 *    http://www.gnu.org/licenses/lgpl.html
 *
 *  - Mozilla Public License Version 1.1 or later (the "MPL")
 *    http://www.mozilla.org/MPL/MPL-1.1.html
 *
 * == END LICENSE ==
 *
 * This is the "File Uploader" for Lasso.
 */
    /*.....................................................................
    Include global configuration. See config.lasso for details.
    */
	include('config.lasso');
    /*.....................................................................
    Convert query string parameters to variables and initialize output.
    */
	var(
		'Type'			=	action_param('Type'),
		'CurrentFolder'	=	action_param('CurrentFolder'),
		'ServerPath'	=	action_param('ServerPath'),
		'NewFile'		=	null,
		'NewFileName'	=	string,
		'OrigFilePath'	=	string,
		'NewFilePath'	=	string,
		'errorNumber'	=	0,
		'customMsg'		=	''
	);
	$Type == '' ? $Type = 'File';
    /*.....................................................................
    Calculate the path to the current folder.
    */
	$ServerPath == '' ? $ServerPath = $config->find('UserFilesPath');
	var('currentFolderURL' = $ServerPath
		+ $config->find('Subdirectories')->find(action_param('Type'))
		+ action_param('CurrentFolder')
	);
	/*.....................................................................
	Custom tag sets the HTML response.
	*/
	define_tag(
		'sendresults',
		-namespace='fck_',
		-priority='replace',
		-required='errorNumber',
		-type='integer',
		-optional='fileUrl',
		-type='string',
		-optional='fileName',
		-type='string',
		-optional='customMsg',
		-type='string',
		-description='Sets the HTML response for the FCKEditor Quick Upload feature.'
	);
		$__html_reply__ = '
<script type="text/javascript">
	window.parent.OnUploadCompleted(' + #errorNumber + ',"'
		+ string_replace(#fileUrl, -find='"', -replace='\"') + '","'
		+ string_replace(#fileName, -find='"', -replace='\"') + '","'
		+ string_replace(#customMsg, -find='"', -replace='\"') + '");
</script>
		';
	/define_tag;
	if($config->find('Enabled'));
		/*.................................................................
		Process an uploaded file.
		*/
		inline($connection);
			/*.............................................................
			Was a file actually uploaded?
			*/
			file_uploads->size ? $NewFile = file_uploads->get(1) | $errorNumber = 202;
			if($errorNumber == 0);
				/*.........................................................
				Split the file's extension from the filename in order
				to follow the API's naming convention for duplicate
				files. (Test.txt, Test(1).txt, Test(2).txt, etc.)
				*/
				$NewFileName = $NewFile->find('OrigName');
				$OrigFilePath = $currentFolderURL + $NewFileName;
				$NewFilePath = $OrigFilePath;
				local('fileExtension') = '.' + $NewFile->find('OrigExtension');
				local('shortFileName') = $NewFileName->removetrailing(#fileExtension)&;
				/*.........................................................
				Make sure the file extension is allowed.
				*/
				if($config->find('DeniedExtensions')->find($Type) >> $NewFile->find('OrigExtension'));
					$errorNumber = 202;
				else;
					/*.....................................................
					Rename the target path until it is unique.
					*/
					while(file_exists($NewFilePath));
						$NewFileName = #shortFileName + '(' + loop_count + ')' + #fileExtension;
						$NewFilePath = $currentFolderURL + $NewFileName;
					/while;
					/*.....................................................
					Copy the uploaded file to its final location.
					*/
					file_copy($NewFile->find('path'), $NewFilePath);
					/*.....................................................
					Set the error code for the response.
					*/
					select(file_currenterror( -errorcode));
						case(0);
							$OrigFilePath != $NewFilePath ? $errorNumber = 201;
						case;
							$errorNumber = 202;
					/select;
				/if;
			/if;
		/inline;
	else;
		$errorNumber = 1;
		$customMsg = 'This file uploader is disabled. Please check the "editor/filemanager/upload/lasso/config.lasso" file.';
	/if;
	fck_sendresults(
		-errorNumber=$errorNumber,
		-fileUrl=$NewFilePath,
		-fileName=$NewFileName,
		-customMsg=$customMsg
	);
]

						