<?php
/** * Created by PhpStorm. * User: StarZhan * Date: 2016/5/24 * Time: 12:04 */class PHPZip{ private $ctrl_dir = array(); private $datasec = array();
/********************************************************** * 压缩部分 **********************************************************/ // ------------------------------------------------------ // // #遍历指定文件夹 // // $archive = new PHPZip(); // $filelist = $archive->visitFile(文件夹路径); // print "当前文件夹的文件:<p>\r\n"; // foreach($filelist as $file) // printf("%s<br>\r\n", $file); // ------------------------------------------------------ // var $fileList = array();
public function visitFile($path) { global $fileList; $path = str_replace("\\", "/", $path); $fdir = dir($path);
while (($file = $fdir->read()) !== false) { if ($file == ‘.‘ || $file == ‘..‘) { continue; }
$pathSub = preg_replace("*/{2,}*", "/", $path . "/" . $file); // 替换多个反斜杠 $fileList[] = is_dir($pathSub) ? $pathSub . "/" : $pathSub; if (is_dir($pathSub)) { $this->visitFile($pathSub); } } $fdir->close(); return $fileList; }
private function unix2DosTime($unixtime = 0) { $timearray = ($unixtime == 0) ? getdate() : getdate($unixtime);
if ($timearray[‘year‘] < 1980) { $timearray[‘year‘] = 1980; $timearray[‘mon‘] = 1; $timearray[‘mday‘] = 1; $timearray[‘hours‘] = 0; $timearray[‘minutes‘] = 0; $timearray[‘seconds‘] = 0; }
return (($timearray[‘year‘] - 1980) << 25) | ($timearray[‘mon‘] << 21) | ($timearray[‘mday‘] << 16) | ($timearray[‘hours‘] << 11) | ($timearray[‘minutes‘] << 5) | ($timearray[‘seconds‘] >> 1); }
var $old_offset = 0;
private function addFile($data, $filename, $time = 0) { $filename = str_replace(‘\\‘, ‘/‘, $filename);
$dtime = dechex($this->unix2DosTime($time)); $hexdtime = ‘\x‘ . $dtime[6] . $dtime[7] . ‘\x‘ . $dtime[4] . $dtime[5] . ‘\x‘ . $dtime[2] . $dtime[3] . ‘\x‘ . $dtime[0] . $dtime[1]; eval(‘$hexdtime = "‘ . $hexdtime . ‘";‘);
$fr = "\x50\x4b\x03\x04"; $fr .= "\x14\x00"; $fr .= "\x00\x00"; $fr .= "\x08\x00"; $fr .= $hexdtime; $unc_len = strlen($data); $crc = crc32($data); $zdata = gzcompress($data); $c_len = strlen($zdata); $zdata = substr(substr($zdata, 0, strlen($zdata) - 4), 2); $fr .= pack(‘V‘, $crc); $fr .= pack(‘V‘, $c_len); $fr .= pack(‘V‘, $unc_len); $fr .= pack(‘v‘, strlen($filename)); $fr .= pack(‘v‘, 0); $fr .= $filename;
$fr .= $zdata;
$fr .= pack(‘V‘, $crc); $fr .= pack(‘V‘, $c_len); $fr .= pack(‘V‘, $unc_len);
$this->datasec[] = $fr; $new_offset = strlen(implode(‘‘, $this->datasec));
$cdrec = "\x50\x4b\x01\x02"; $cdrec .= "\x00\x00"; $cdrec .= "\x14\x00"; $cdrec .= "\x00\x00"; $cdrec .= "\x08\x00"; $cdrec .= $hexdtime; $cdrec .= pack(‘V‘, $crc); $cdrec .= pack(‘V‘, $c_len); $cdrec .= pack(‘V‘, $unc_len); $cdrec .= pack(‘v‘, strlen($filename)); $cdrec .= pack(‘v‘, 0); $cdrec .= pack(‘v‘, 0); $cdrec .= pack(‘v‘, 0); $cdrec .= pack(‘v‘, 0); $cdrec .= pack(‘V‘, 32);
$cdrec .= pack(‘V‘, $this->old_offset); $this->old_offset = $new_offset;
$cdrec .= $filename; $this->ctrl_dir[] = $cdrec; }
var $eof_ctrl_dir = "\x50\x4b\x05\x06\x00\x00\x00\x00";
private function file() { $data = implode(‘‘, $this->datasec); $ctrldir = implode(‘‘, $this->ctrl_dir);
return $data . $ctrldir . $this->eof_ctrl_dir . pack(‘v‘, sizeof($this->ctrl_dir)) . pack(‘v‘, sizeof($this->ctrl_dir)) . pack(‘V‘, strlen($ctrldir)) . pack(‘V‘, strlen($data)) . "\x00\x00"; }
// ------------------------------------------------------ // // #压缩到服务器 // // $archive = new PHPZip(); // $archive->Zip("需压缩的文件所在目录", "ZIP压缩文件名"); // ------------------------------------------------------ // public function Zip($dir, $saveName) { if (@!function_exists(‘gzcompress‘)) { return; }
ob_end_clean(); $filelist = $this->visitFile($dir); if (count($filelist) == 0) { return; }
foreach ($filelist as $file) { if (!file_exists($file) || !is_file($file)) { continue; }
$fd = fopen($file, "rb"); $content = @fread($fd, filesize($file)); fclose($fd);
// 1.删除$dir的字符(./folder/file.txt删除./folder/) // 2.如果存在/就删除(/file.txt删除/) $file = substr($file, strlen($dir)); if (substr($file, 0, 1) == "\\" || substr($file, 0, 1) == "/") { $file = substr($file, 1); }
$this->addFile($content, $file); } $out = $this->file();
$fp = fopen($saveName, "wb"); fwrite($fp, $out, strlen($out)); fclose($fp); }
// ------------------------------------------------------ // // #压缩并直接下载 // // $archive = new PHPZip(); // $archive->ZipAndDownload("需压缩的文件所在目录"); // ------------------------------------------------------ // public function ZipAndDownload($filelist, $fileName = "网申资料") { if (@!function_exists(‘gzcompress‘)) { return; }
ob_end_clean(); //$filelist = $this->visitFile($dir); if (count($filelist) == 0) { return; }
foreach ($filelist as $fileinfo) { $info = $fileinfo[‘name‘]; $file = $fileinfo[‘path‘]; if (!file_exists($file) || !is_file($file)) { continue; }
$fd = fopen($file, "rb"); $content = @fread($fd, filesize($file)); fclose($fd);
// 1.删除$dir的字符(./folder/file.txt删除./folder/) // 2.如果存在/就删除(/file.txt删除/) $tmpfile = explode(‘/‘, $file); $file = end($tmpfile); $tmpext = explode(‘.‘, $file); $ext = end($tmpext);// if (substr($file, 0, 1) == "\\" || substr($file, 0, 1) == "/") {// $file = substr($file, 1);// } $info = iconv("UTF-8", "GBK", $info); $file = $info . "." . $ext; $this->addFile($content, $file); } $out = $this->file();
@header(‘Content-Encoding: none‘); @header(‘Content-Type: application/zip‘); @header(‘Content-Disposition: attachment ; filename=‘ . $fileName . date("YmdHis", time()) . ‘.zip‘); @header(‘Pragma: no-cache‘); @header(‘Expires: 0‘); print($out); }
/********************************************************** * 解压部分 **********************************************************/// ------------------------------------------------------ //// ReadCentralDir($zip, $zipfile)// $zip是经过@fopen($zipfile, ‘rb‘)打开的// $zipfile是zip文件的路径// ------------------------------------------------------ // private function ReadCentralDir($zip, $zipfile) { $size = filesize($zipfile); $max_size = ($size < 277) ? $size : 277;
@fseek($zip, $size - $max_size); $pos = ftell($zip); $bytes = 0x00000000;
while ($pos < $size) { $byte = @fread($zip, 1); $bytes = ($bytes << 8) | Ord($byte); $pos++; if ($bytes == 0x504b0506) { break; } }
$data = unpack(‘vdisk/vdisk_start/vdisk_entries/ventries/Vsize/Voffset/vcomment_size‘, fread($zip, 18));
$centd[‘comment‘] = ($data[‘comment_size‘] != 0) ? fread($zip, $data[‘comment_size‘]) : ‘‘; // 注释 $centd[‘entries‘] = $data[‘entries‘]; $centd[‘disk_entries‘] = $data[‘disk_entries‘]; $centd[‘offset‘] = $data[‘offset‘]; $centd[‘disk_start‘] = $data[‘disk_start‘]; $centd[‘size‘] = $data[‘size‘]; $centd[‘disk‘] = $data[‘disk‘]; return $centd; }
private function ReadCentralFileHeaders($zip) { $binary_data = fread($zip, 46); $header = unpack(‘vchkid/vid/vversion/vversion_extracted/vflag/vcompression/vmtime/vmdate/Vcrc/Vcompressed_size/Vsize/vfilename_len/vextra_len/vcomment_len/vdisk/vinternal/Vexternal/Voffset‘, $binary_data);
$header[‘filename‘] = ($header[‘filename_len‘] != 0) ? fread($zip, $header[‘filename_len‘]) : ‘‘; $header[‘extra‘] = ($header[‘extra_len‘] != 0) ? fread($zip, $header[‘extra_len‘]) : ‘‘; $header[‘comment‘] = ($header[‘comment_len‘] != 0) ? fread($zip, $header[‘comment_len‘]) : ‘‘;
if ($header[‘mdate‘] && $header[‘mtime‘]) { $hour = ($header[‘mtime‘] & 0xF800) >> 11; $minute = ($header[‘mtime‘] & 0x07E0) >> 5; $seconde = ($header[‘mtime‘] & 0x001F) * 2; $year = (($header[‘mdate‘] & 0xFE00) >> 9) + 1980; $month = ($header[‘mdate‘] & 0x01E0) >> 5; $day = $header[‘mdate‘] & 0x001F; $header[‘mtime‘] = mktime($hour, $minute, $seconde, $month, $day, $year); } else { $header[‘mtime‘] = time(); } $header[‘stored_filename‘] = $header[‘filename‘]; $header[‘status‘] = ‘ok‘; if (substr($header[‘filename‘], -1) == ‘/‘) { $header[‘external‘] = 0x41FF0010; } // 判断是否文件夹 return $header; }
private function ReadFileHeader($zip) { $binary_data = fread($zip, 30); $data = unpack(‘vchk/vid/vversion/vflag/vcompression/vmtime/vmdate/Vcrc/Vcompressed_size/Vsize/vfilename_len/vextra_len‘, $binary_data);
$header[‘filename‘] = fread($zip, $data[‘filename_len‘]); $header[‘extra‘] = ($data[‘extra_len‘] != 0) ? fread($zip, $data[‘extra_len‘]) : ‘‘; $header[‘compression‘] = $data[‘compression‘]; $header[‘size‘] = $data[‘size‘]; $header[‘compressed_size‘] = $data[‘compressed_size‘]; $header[‘crc‘] = $data[‘crc‘]; $header[‘flag‘] = $data[‘flag‘]; $header[‘mdate‘] = $data[‘mdate‘]; $header[‘mtime‘] = $data[‘mtime‘];
if ($header[‘mdate‘] && $header[‘mtime‘]) { $hour = ($header[‘mtime‘] & 0xF800) >> 11; $minute = ($header[‘mtime‘] & 0x07E0) >> 5; $seconde = ($header[‘mtime‘] & 0x001F) * 2; $year = (($header[‘mdate‘] & 0xFE00) >> 9) + 1980; $month = ($header[‘mdate‘] & 0x01E0) >> 5; $day = $header[‘mdate‘] & 0x001F; $header[‘mtime‘] = mktime($hour, $minute, $seconde, $month, $day, $year); } else { $header[‘mtime‘] = time(); }
$header[‘stored_filename‘] = $header[‘filename‘]; $header[‘status‘] = "ok"; return $header; }
private function ExtractFile($header, $to, $zip) { $header = $this->readfileheader($zip);
if (substr($to, -1) != "/") { $to .= "/"; } if ([email protected]_dir($to)) { @mkdir($to, 0777); } $pthss = ‘‘; $pth = explode("/", dirname($header[‘filename‘])); for ($i = 0; isset($pth[$i]); $i++) { if (!$pth[$i]) { continue; } $pthss .= $pth[$i] . "/"; if (!is_dir($to . $pthss)) { @mkdir($to . $pthss, 0777); } }
if (!($header[‘external‘] == 0x41FF0010) && !($header[‘external‘] == 16)) { if ($header[‘compression‘] == 0) { $fp = @fopen($to . $header[‘filename‘], ‘wb‘); if (!$fp) { return (-1); } $size = $header[‘compressed_size‘];
while ($size != 0) { $read_size = ($size < 2048 ? $size : 2048); $buffer = fread($zip, $read_size); $binary_data = pack(‘a‘ . $read_size, $buffer); @fwrite($fp, $binary_data, $read_size); $size -= $read_size; } fclose($fp); touch($to . $header[‘filename‘], $header[‘mtime‘]);
} else {
$fp = @fopen($to . $header[‘filename‘] . ‘.gz‘, ‘wb‘); if (!$fp) { return (-1); } $binary_data = pack(‘va1a1Va1a1‘, 0x8b1f, Chr($header[‘compression‘]), Chr(0x00), time(), Chr(0x00), Chr(3));
fwrite($fp, $binary_data, 10); $size = $header[‘compressed_size‘];
while ($size != 0) { $read_size = ($size < 1024 ? $size : 1024); $buffer = fread($zip, $read_size); $binary_data = pack(‘a‘ . $read_size, $buffer); @fwrite($fp, $binary_data, $read_size); $size -= $read_size; }
$binary_data = pack(‘VV‘, $header[‘crc‘], $header[‘size‘]); fwrite($fp, $binary_data, 8); fclose($fp);
$gzp = @gzopen($to . $header[‘filename‘] . ‘.gz‘, ‘rb‘) or die("Cette archive est compress!");
if (!$gzp) { return (-2); } $fp = @fopen($to . $header[‘filename‘], ‘wb‘); if (!$fp) { return (-1); } $size = $header[‘size‘];
while ($size != 0) { $read_size = ($size < 2048 ? $size : 2048); $buffer = gzread($gzp, $read_size); $binary_data = pack(‘a‘ . $read_size, $buffer); @fwrite($fp, $binary_data, $read_size); $size -= $read_size; } fclose($fp); gzclose($gzp);
touch($to . $header[‘filename‘], $header[‘mtime‘]); @unlink($to . $header[‘filename‘] . ‘.gz‘); } } return true; }
// ------------------------------------------------------ //// #解压文件//// $archive = new PHPZip();// $zipfile = "ZIP压缩文件名";// $savepath = "解压缩目录名";// $zipfile = $unzipfile;// $savepath = $unziptarget;// $array = $archive->GetZipInnerFilesInfo($zipfile);// $filecount = 0;// $dircount = 0;// $failfiles = array();// set_time_limit(0); // 修改为不限制超时时间(默认为30秒)//// for($i=0; $i<count($array); $i++) {// if($array[$i][folder] == 0){// if($archive->unZip($zipfile, $savepath, $i) > 0){// $filecount++;// }else{// $failfiles[] = $array[$i][filename];// }// }else{// $dircount++;// }// }// set_time_limit(30);//printf("文件夹:%d 解压文件:%d 失败:%d<br>\r\n", $dircount, $filecount, count($failfiles));//if(count($failfiles) > 0){// foreach($failfiles as $file){// printf("·%s<br>\r\n", $file);// }//}// ------------------------------------------------------ // public function unZip($zipfile, $to, $index = Array(-1)) { $ok = 0; $zip = @fopen($zipfile, ‘rb‘); if (!$zip) { return (-1); }
$cdir = $this->ReadCentralDir($zip, $zipfile); $pos_entry = $cdir[‘offset‘];
if (!is_array($index)) { $index = array($index); } for ($i = 0; $index[$i]; $i++) { if (intval($index[$i]) != $index[$i] || $index[$i] > $cdir[‘entries‘]) { return (-1); } }
for ($i = 0; $i < $cdir[‘entries‘]; $i++) { @fseek($zip, $pos_entry); $header = $this->ReadCentralFileHeaders($zip); $header[‘index‘] = $i; $pos_entry = ftell($zip); @rewind($zip); fseek($zip, $header[‘offset‘]); if (in_array("-1", $index) || in_array($i, $index)) { $stat[$header[‘filename‘]] = $this->ExtractFile($header, $to, $zip); } }
fclose($zip); return $stat; }
/********************************************************** * 其它部分 **********************************************************/// ------------------------------------------------------ //// #获取被压缩文件的信息//// $archive = new PHPZip();// $array = $archive->GetZipInnerFilesInfo(ZIP压缩文件名);// for($i=0; $i<count($array); $i++) {// printf("<b>·%s</b><br>\r\n", $array[$i][filename]);// foreach($array[$i] as $key => $value)// printf("%s => %s<br>\r\n", $key, $value);// print "\r\n<p>------------------------------------<p>\r\n\r\n";// }// ------------------------------------------------------ // public function GetZipInnerFilesInfo($zipfile) { $zip = @fopen($zipfile, ‘rb‘); if (!$zip) { return (0); } $centd = $this->ReadCentralDir($zip, $zipfile);
@rewind($zip); @fseek($zip, $centd[‘offset‘]); $ret = array();
for ($i = 0; $i < $centd[‘entries‘]; $i++) { $header = $this->ReadCentralFileHeaders($zip); $header[‘index‘] = $i; $info = array( ‘filename‘ => $header[‘filename‘], // 文件名 ‘stored_filename‘ => $header[‘stored_filename‘], // 压缩后文件名 ‘size‘ => $header[‘size‘], // 大小 ‘compressed_size‘ => $header[‘compressed_size‘], // 压缩后大小 ‘crc‘ => strtoupper(dechex($header[‘crc‘])), // CRC32 ‘mtime‘ => date("Y-m-d H:i:s", $header[‘mtime‘]), // 文件修改时间 ‘comment‘ => $header[‘comment‘], // 注释 ‘folder‘ => ($header[‘external‘] == 0x41FF0010 || $header[‘external‘] == 16) ? 1 : 0, // 是否为文件夹 ‘index‘ => $header[‘index‘], // 文件索引 ‘status‘ => $header[‘status‘] // 状态 ); $ret[] = $info; unset($header); } fclose($zip); return $ret; }
// ------------------------------------------------------ //// #获取压缩文件的注释//// $archive = new PHPZip();// echo $archive->GetZipComment(ZIP压缩文件名);// ------------------------------------------------------ // public function GetZipComment($zipfile) { $zip = @fopen($zipfile, ‘rb‘); if (!$zip) { return (0); } $centd = $this->ReadCentralDir($zip, $zipfile); fclose($zip); return $centd[comment]; }}
调用方法
时间： 2024-10-26 12:05:56