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phpzip类来源：网络
visitfile()函数来源：http://topic.csdn.net/u/20071225/11/e6a8db84-df02-4622-987b-2a4ed4a5eef0.html (第14楼)
注：修改为可遍历子文件夹（替换遍历方法为visitfile()）；
? 添加getzipcomment()方法；
? 加上用法说明(注释部分)。
visitfile(文件夹路径); // print 当前文件夹的文件:\r\n; // foreach($filelist as $file) // printf(%s
\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'] > 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(); // $archive->zipanddownload(需压缩的文件所在目录); // ------------------------------------------------------ // public function zipanddownload($dir) { 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 = $this->file(); @header('content-encoding: none'); @header('content-type: application/zip'); @header('content-disposition: attachment ; filename=farticle'.date(ymdhis, time()).'.zip'); @header('pragma: no-cache'); @header('expires: 0'); print($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 > 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) != /){ $to .= /; } if(!@is_dir($to)){ @mkdir($to, 0777); } $pth = explode(/, dirname($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 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; $iunzip($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
\r\n, $dircount, $filecount, count($failfiles)); //if(count($failfiles) > 0){ // foreach($failfiles as $file){ // printf(·%s
\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; $ireadcentralfileheaders($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·%s
\r\n, $array[$i][filename]); // foreach($array[$i] as $key => $value) // printf(%s => %s
\r\n, $key, $value); // print \r\n------------------------------------
\r\n\r\n; // } // ------------------------------------------------------ // public function getzipinnerfilesinfo($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; $ireadcentralfileheaders($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]; } }?>
压缩到服务器:
------------------
压缩目录: (例如./folder)
另存为路径和文件名:(例如./folder/file.zip)(需要填写扩展名)
压缩并下载
------------------
文件所在目录:(例如./folder)
在线解压zip
------------------
文件: (例如./folder/file.zip)
解压到:(例如./folder)
读取压缩文件内部文件信息和注释
------------------
文件:(例如./folder/file.zip)
echo
\r\n; echo
--------------------------
\r\n; echo 显示信息:\r\n; echo
--------------------------
\r\n; $archive = new phpzip(); if(!empty($zip)) { $archive->zip($zipdir, $savename); } elseif(!empty($zipdown)) { $archive->zipanddownload($zipdowndir); } elseif(!empty($unzip)) { $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; $iunzip($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
\r\n, $dircount, $filecount, count($failfiles)); if(count($failfiles) > 0){ foreach($failfiles as $file){ printf(·%s
\r\n, $file); } } } elseif(!empty($readfileinfo)) { $array = $archive->getzipinnerfilesinfo($readfile); for($i=0; $i·%s
\r\n, $array[$i][filename]); foreach($array[$i] as $key => $value) printf(%s => %s
\r\n, $key, $value); print \r\n------------------------------------
\r\n\r\n; } } elseif(!empty($readcomment)) { $comment = $archive->getzipcomment($readfile); printf(%s
\r\n, $comment); }?>
??
1 楼 yakczh 2012-04-27 unpack(): type v: not enough input, need 2, have 0 in /
64位机器上报错，解压不了