PHP读取Excel内容

<?php /** * A class for reading Microsoft Excel (97/2003) Spreadsheets. * * Version 2.21 * * Enhanced and maintained by Matt Kruse < http://mattkruse.com > * Maintained at http://code.google.com/p/php-excel-reader/ * * Format parsing and MUCH more contributed by: * Matt Roxburgh < http://www.roxburgh.me.uk > * * DOCUMENTATION * ============= * http://code.google.com/p/php-excel-reader/wiki/Documentation * * CHANGE LOG * ========== * http://code.google.com/p/php-excel-reader/wiki/ChangeHistory * * DISCUSSION/SUPPORT * ================== * http://groups.google.com/group/php-excel-reader-discuss/topics * * -------------------------------------------------------------------------- * * Originally developed by Vadim Tkachenko under the name PHPExcelReader. * (http://sourceforge.net/projects/phpexcelreader) * Based on the Java version by Andy Khan (http://www.andykhan.com). Now * maintained by David Sanders. Reads only Biff 7 and Biff 8 formats. * * PHP versions 4 and 5 * * LICENSE: This source file is subject to version 3.0 of the PHP license * that is available through the world-wide-web at the following URI: * http://www.php.net/license/3_0.txt. If you did not receive a copy of * the PHP License and are unable to obtain it through the web, please * send a note to license@php.net so we can mail you a copy immediately. * * @category Spreadsheet * @package Spreadsheet_Excel_Reader * @author Vadim Tkachenko <vt@apachephp.com> * @license http://www.php.net/license/3_0.txt PHP License 3.0 * @version CVS: $Id: reader.php 19 2007-03-13 12:42:41Z shangxiao $ * @link http://pear.php.net/package/Spreadsheet_Excel_Reader * @see OLE, Spreadsheet_Excel_Writer * -------------------------------------------------------------------------- */ define('NUM_BIG_BLOCK_DEPOT_BLOCKS_POS', 0x2c); define('SMALL_BLOCK_DEPOT_BLOCK_POS', 0x3c); define('ROOT_START_BLOCK_POS', 0x30); define('BIG_BLOCK_SIZE', 0x200); define('SMALL_BLOCK_SIZE', 0x40); define('EXTENSION_BLOCK_POS', 0x44); define('NUM_EXTENSION_BLOCK_POS', 0x48); define('PROPERTY_STORAGE_BLOCK_SIZE', 0x80); define('BIG_BLOCK_DEPOT_BLOCKS_POS', 0x4c); define('SMALL_BLOCK_THRESHOLD', 0x1000); // property storage offsets define('SIZE_OF_NAME_POS', 0x40); define('TYPE_POS', 0x42); define('START_BLOCK_POS', 0x74); define('SIZE_POS', 0x78); define('IDENTIFIER_OLE', pack("CCCCCCCC",0xd0,0xcf,0x11,0xe0,0xa1,0xb1,0x1a,0xe1)); function GetInt4d($data, $pos) { $value = ord($data[$pos]) | (ord($data[$pos+1]) << 8) | (ord($data[$pos+2]) << 16) | (ord($data[$pos+3]) << 24); if ($value>=4294967294) { $value=-2; } return $value; } // http://uk.php.net/manual/en/function.getdate.php function gmgetdate($ts = null){ $k = array('seconds','minutes','hours','mday','wday','mon','year','yday','weekday','month',0); return(array_comb($k,split(":",gmdate('s:i:G:j:w:n:Y:z:l:F:U',is_null($ts)?time():$ts)))); } // Added for PHP4 compatibility function array_comb($array1, $array2) { $out = array(); foreach ($array1 as $key => $value) { $out[$value] = $array2[$key]; } return $out; } function v($data,$pos) { return ord($data[$pos]) | ord($data[$pos+1])<<8; } class OLERead { var $data = ''; function OLERead(){ } function read($sFileName){ // check if file exist and is readable (Darko Miljanovic) if(!is_readable($sFileName)) { $this->error = 1; return false; } $this->data = @file_get_contents($sFileName); if (!$this->data) { $this->error = 1; return false; } if (substr($this->data, 0, 8) != IDENTIFIER_OLE) { $this->error = 1; return false; } $this->numBigBlockDepotBlocks = GetInt4d($this->data, NUM_BIG_BLOCK_DEPOT_BLOCKS_POS); $this->sbdStartBlock = GetInt4d($this->data, SMALL_BLOCK_DEPOT_BLOCK_POS); $this->rootStartBlock = GetInt4d($this->data, ROOT_START_BLOCK_POS); $this->extensionBlock = GetInt4d($this->data, EXTENSION_BLOCK_POS); $this->numExtensionBlocks = GetInt4d($this->data, NUM_EXTENSION_BLOCK_POS); $bigBlockDepotBlocks = array(); $pos = BIG_BLOCK_DEPOT_BLOCKS_POS; $bbdBlocks = $this->numBigBlockDepotBlocks; if ($this->numExtensionBlocks != 0) { $bbdBlocks = (BIG_BLOCK_SIZE - BIG_BLOCK_DEPOT_BLOCKS_POS)/4; } for ($i = 0; $i < $bbdBlocks; $i++) { $bigBlockDepotBlocks[$i] = GetInt4d($this->data, $pos); $pos += 4; } for ($j = 0; $j < $this->numExtensionBlocks; $j++) { $pos = ($this->extensionBlock + 1) * BIG_BLOCK_SIZE; $blocksToRead = min($this->numBigBlockDepotBlocks - $bbdBlocks, BIG_BLOCK_SIZE / 4 - 1); for ($i = $bbdBlocks; $i < $bbdBlocks + $blocksToRead; $i++) { $bigBlockDepotBlocks[$i] = GetInt4d($this->data, $pos); $pos += 4; } $bbdBlocks += $blocksToRead; if ($bbdBlocks < $this->numBigBlockDepotBlocks) { $this->extensionBlock = GetInt4d($this->data, $pos); } } // readBigBlockDepot $pos = 0; $index = 0; $this->bigBlockChain = array(); for ($i = 0; $i < $this->numBigBlockDepotBlocks; $i++) { $pos = ($bigBlockDepotBlocks[$i] + 1) * BIG_BLOCK_SIZE; //echo "pos = $pos"; for ($j = 0 ; $j < BIG_BLOCK_SIZE / 4; $j++) { $this->bigBlockChain[$index] = GetInt4d($this->data, $pos); $pos += 4 ; $index++; } } // readSmallBlockDepot(); $pos = 0; $index = 0; $sbdBlock = $this->sbdStartBlock; $this->smallBlockChain = array(); while ($sbdBlock != -2) { $pos = ($sbdBlock + 1) * BIG_BLOCK_SIZE; for ($j = 0; $j < BIG_BLOCK_SIZE / 4; $j++) { $this->smallBlockChain[$index] = GetInt4d($this->data, $pos); $pos += 4; $index++; } $sbdBlock = $this->bigBlockChain[$sbdBlock]; } // readData(rootStartBlock) $block = $this->rootStartBlock; $pos = 0; $this->entry = $this->__readData($block); $this->__readPropertySets(); } function __readData($bl) { $block = $bl; $pos = 0; $data = ''; while ($block != -2) { $pos = ($block + 1) * BIG_BLOCK_SIZE; $data = $data.substr($this->data, $pos, BIG_BLOCK_SIZE); $block = $this->bigBlockChain[$block]; } return $data; } function __readPropertySets(){ $offset = 0; while ($offset < strlen($this->entry)) { $d = substr($this->entry, $offset, PROPERTY_STORAGE_BLOCK_SIZE); $nameSize = ord($d[SIZE_OF_NAME_POS]) | (ord($d[SIZE_OF_NAME_POS+1]) << 8); $type = ord($d[TYPE_POS]); $startBlock = GetInt4d($d, START_BLOCK_POS); $size = GetInt4d($d, SIZE_POS); $name = ''; for ($i = 0; $i < $nameSize ; $i++) { $name .= $d[$i]; } $name = str_replace("\x00", "", $name); $this->props[] = array ( 'name' => $name, 'type' => $type, 'startBlock' => $startBlock, 'size' => $size); if ((strtolower($name) == "workbook") || ( strtolower($name) == "book")) { $this->wrkbook = count($this->props) - 1; } if ($name == "Root Entry") { $this->rootentry = count($this->props) - 1; } $offset += PROPERTY_STORAGE_BLOCK_SIZE; } } function getWorkBook(){ if ($this->props[$this->wrkbook]['size'] < SMALL_BLOCK_THRESHOLD){ $rootdata = $this->__readData($this->props[$this->rootentry]['startBlock']); $streamData = ''; $block = $this->props[$this->wrkbook]['startBlock']; $pos = 0; while ($block != -2) { $pos = $block * SMALL_BLOCK_SIZE; $streamData .= substr($rootdata, $pos, SMALL_BLOCK_SIZE); $block = $this->smallBlockChain[$block]; } return $streamData; }else{ $numBlocks = $this->props[$this->wrkbook]['size'] / BIG_BLOCK_SIZE; if ($this->props[$this->wrkbook]['size'] % BIG_BLOCK_SIZE != 0) { $numBlocks++; } if ($numBlocks == 0) return ''; $streamData = ''; $block = $this->props[$this->wrkbook]['startBlock']; $pos = 0; while ($block != -2) { $pos = ($b