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[商业版 200RMB] WebForm,下载次数:1 次 | 关键字: PHP MYSQL OA 办公 网络办公

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当前路径:Classes/PHPExcel/Reader/OOCalc.php
<?php

/** PHPExcel root directory */
if (!defined('PHPEXCEL_ROOT')) {
    /**
     * @ignore
     */
    define('PHPEXCEL_ROOT', dirname(__FILE__) . '/../../');
    require(PHPEXCEL_ROOT . 'PHPExcel/Autoloader.php');
}

/**
 * PHPExcel_Reader_OOCalc
 *
 * Copyright (c) 2006 - 2015 PHPExcel
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 *
 * @category   PHPExcel
 * @package    PHPExcel_Reader
 * @copyright  Copyright (c) 2006 - 2015 PHPExcel (http://www.codeplex.com/PHPExcel)
 * @license    http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt    LGPL
 * @version    ##VERSION##, ##DATE##
 */
class PHPExcel_Reader_OOCalc extends PHPExcel_Reader_Abstract implements PHPExcel_Reader_IReader
{
    /**
     * Formats
     *
     * @var array
     */
    private $styles = array();

    /**
     * Create a new PHPExcel_Reader_OOCalc
     */
    public function __construct()
    {
        $this->readFilter     = new PHPExcel_Reader_DefaultReadFilter();
    }

    /**
     * Can the current PHPExcel_Reader_IReader read the file?
     *
     * @param     string         $pFilename
     * @return     boolean
     * @throws PHPExcel_Reader_Exception
     */
    public function canRead($pFilename)
    {
        // Check if file exists
        if (!file_exists($pFilename)) {
            throw new PHPExcel_Reader_Exception("Could not open " . $pFilename . " for reading! File does not exist.");
        }

        $zipClass = PHPExcel_Settings::getZipClass();

        // Check if zip class exists
//        if (!class_exists($zipClass, false)) {
//            throw new PHPExcel_Reader_Exception($zipClass . " library is not enabled");
//        }

        $mimeType = 'UNKNOWN';
        // Load file
        $zip = new $zipClass;
        if ($zip->open($pFilename) === true) {
            // check if it is an OOXML archive
            $stat = $zip->statName('mimetype');
            if ($stat && ($stat['size'] <= 255)) {
                $mimeType = $zip->getFromName($stat['name']);
            } elseif ($stat = $zip->statName('META-INF/manifest.xml')) {
                $xml = simplexml_load_string($this->securityScan($zip->getFromName('META-INF/manifest.xml')), 'SimpleXMLElement', PHPExcel_Settings::getLibXmlLoaderOptions());
                $namespacesContent = $xml->getNamespaces(true);
                if (isset($namespacesContent['manifest'])) {
                    $manifest = $xml->children($namespacesContent['manifest']);
                    foreach ($manifest as $manifestDataSet) {
                        $manifestAttributes = $manifestDataSet->attributes($namespacesContent['manifest']);
                        if ($manifestAttributes->{'full-path'} == '/') {
                            $mimeType = (string) $manifestAttributes->{'media-type'};
                            break;
                        }
                    }
                }
            }

            $zip->close();

            return ($mimeType === 'application/vnd.oasis.opendocument.spreadsheet');
        }

        return false;
    }


    /**
     * Reads names of the worksheets from a file, without parsing the whole file to a PHPExcel object
     *
     * @param     string         $pFilename
     * @throws     PHPExcel_Reader_Exception
     */
    public function listWorksheetNames($pFilename)
    {
        // Check if file exists
        if (!file_exists($pFilename)) {
            throw new PHPExcel_Reader_Exception("Could not open " . $pFilename . " for reading! File does not exist.");
        }

        $zipClass = PHPExcel_Settings::getZipClass();

        $zip = new $zipClass;
        if (!$zip->open($pFilename)) {
            throw new PHPExcel_Reader_Exception("Could not open " . $pFilename . " for reading! Error opening file.");
        }

        $worksheetNames = array();

        $xml = new XMLReader();
        $res = $xml->xml($this->securityScanFile('zip://'.realpath($pFilename).'#content.xml'), null, PHPExcel_Settings::getLibXmlLoaderOptions());
        $xml->setParserProperty(2, true);

        //    Step into the first level of content of the XML
        $xml->read();
        while ($xml->read()) {
            //    Quickly jump through to the office:body node
            while ($xml->name !== 'office:body') {
                if ($xml->isEmptyElement) {
                    $xml->read();
                } else {
                    $xml->next();
                }
            }
            //    Now read each node until we find our first table:table node
            while ($xml->read()) {
                if ($xml->name == 'table:table' && $xml->nodeType == XMLReader::ELEMENT) {
                    //    Loop through each table:table node reading the table:name attribute for each worksheet name
                    do {
                        $worksheetNames[] = $xml->getAttribute('table:name');
                        $xml->next();
                    } while ($xml->name == 'table:table' && $xml->nodeType == XMLReader::ELEMENT);
                }
            }
        }

        return $worksheetNames;
    }

    /**
     * Return worksheet info (Name, Last Column Letter, Last Column Index, Total Rows, Total Columns)
     *
     * @param   string     $pFilename
     * @throws   PHPExcel_Reader_Exception
     */
    public function listWorksheetInfo($pFilename)
    {
        // Check if file exists
        if (!file_exists($pFilename)) {
            throw new PHPExcel_Reader_Exception("Could not open " . $pFilename . " for reading! File does not exist.");
        }

        $worksheetInfo = array();

        $zipClass = PHPExcel_Settings::getZipClass();

        $zip = new $zipClass;
        if (!$zip->open($pFilename)) {
            throw new PHPExcel_Reader_Exception("Could not open " . $pFilename . " for reading! Error opening file.");
        }

        $xml = new XMLReader();
        $res = $xml->xml($this->securityScanFile('zip://'.realpath($pFilename).'#content.xml'), null, PHPExcel_Settings::getLibXmlLoaderOptions());
        $xml->setParserProperty(2, true);

        //    Step into the first level of content of the XML
        $xml->read();
        while ($xml->read()) {
            //    Quickly jump through to the office:body node
            while ($xml->name !== 'office:body') {
                if ($xml->isEmptyElement) {
                    $xml->read();
                } else {
                    $xml->next();
                }
            }
                //    Now read each node until we find our first table:table node
            while ($xml->read()) {
                if ($xml->name == 'table:table' && $xml->nodeType == XMLReader::ELEMENT) {
                    $worksheetNames[] = $xml->getAttribute('tabl...
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