zipdownloader.php

讲的是网络编程

<?php
// $Id: zipdownloader.php 2 2005-11-02 18:23:29Z skalpa $
//  ------------------------------------------------------------------------ //
//                XOOPS - PHP Content Management System                      //
//                    Copyright (c) 2000 XOOPS.org                           //
//                       <http://www.xoops.org/>                             //
//  ------------------------------------------------------------------------ //
//  This program is free software; you can redistribute it and/or modify     //
//  it under the terms of the GNU General Public License as published by     //
//  the Free Software Foundation; either version 2 of the License, or        //
//  (at your option) any later version.                                      //
//                                                                           //
//  You may not change or alter any portion of this comment or credits       //
//  of supporting developers from this source code or any supporting         //
//  source code which is considered copyrighted (c) material of the          //
//  original comment or credit authors.                                      //
//                                                                           //
//  This program is distributed in the hope that it will be useful,          //
//  but WITHOUT ANY WARRANTY; without even the implied warranty of           //
//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the            //
//  GNU General Public License for more details.                             //
//                                                                           //
//  You should have received a copy of the GNU General Public License        //
//  along with this program; if not, write to the Free Software              //
//  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA //
//  ------------------------------------------------------------------------ //
// Author: Kazumi Ono (AKA onokazu)                                          //
// URL: http://www.myweb.ne.jp/, http://www.xoops.org/, http://jp.xoops.org/ //
// Project: The XOOPS Project                                                //
// ------------------------------------------------------------------------- //
if (!defined('XOOPS_ROOT_PATH')) {
	exit();
}
include_once XOOPS_ROOT_PATH.'/class/downloader.php';
include_once XOOPS_ROOT_PATH.'/class/class.zipfile.php';

class XoopsZipDownloader extends XoopsDownloader
{
	function XoopsZipDownloader($ext = '.zip', $mimyType = 'application/x-zip')
	{
		$this->archiver = new zipfile();
		$this->ext      = trim($ext);
		$this->mimeType = trim($mimyType);
	}

	function addFile($filepath, $newfilename=null)
	{
		// Read in the file's contents
		$fp = fopen($filepath, "r");
		$data = fread($fp, filesize($filepath));
		fclose($fp);
		$filename = (isset($newfilename) && trim($newfilename) != '') ? trim($newfilename) : $filepath;
		$this->archiver->addFile($data, $filename, filemtime($filename));
	}

	function addBinaryFile($filepath, $newfilename=null)
	{
		// Read in the file's contents
		$fp = fopen($filepath, "rb");
		$data = fread($fp, filesize($filepath));
		fclose($fp);
		$filename = (isset($newfilename) && trim($newfilename) != '') ? trim($newfilename) : $filepath;
		$this->archiver->addFile($data, $filename, filemtime($filename));
	}

	function addFileData(&$data, $filename, $time=0)
	{
		$this->archiver->addFile($data, $filename, $time);
	}

	function addBinaryFileData(&$data, $filename, $time=0)
	{
		$this->addFileData($data, $filename, $time);
	}

	function download($name, $gzip = true)
	{
		$this->_header($name.$this->ext);
		echo $this->archiver->file();
	}
}
?>