<?php
namespace Org\Net;
class PhpZip{
Private $StrPath = "";
Private $datasec = array();
Private $ctrl_dir = array();
Private $eof_ctrl_dir = "\x50\x4b\x05\x06\x00\x00\x00\x00";
Private $old_offset = 0;
//压缩后下载
function DownLoad($curdir, $zipfilename, $out) {
$zipfilename = StrToLower($zipfilename);
$curdir = Str_iReplace(basename($curdir), "", $curdir);
chdir($curdir . $this->StrPath);
header('Content-Encoding: none');
header('Content-Type: application/zip');
header('Content-Disposition: attachment ; filename=' . Str_Replace(".zip", "", basename($zipfilename)) . '.zip');
header('Pragma: no-cache');
header('Expires: 0');
print($out);
}
//压缩后保存在服务器,默认在/@Upload下
function SaveFile($curdir, $zipfilename, $out) {
$curdir = Str_iReplace(basename($curdir), "", $curdir);
chdir($curdir . $this->StrPath);
$fp = fopen($zipfilename, "wb");
fwrite($fp, $out, strlen($out));
fclose($fp);
}
//函数用途:压缩文件夹,递归逐层进行
//参数详解:$dir需要压缩的目录,$zipfilename压缩后的文件名及存放路径,$Todo处理方式1提供下载2保存文件在服务器
function ZipDir($dir, $zipfilename, $Todo) {
IF (!@function_exists('gzcompress')) {
Return 0;
}
@set_time_limit("0");
if(is_array($dir)){
for ($i=0; $i < count($dir); $i++) {
$res = $this->openFile($dir[$i], $zipfilename , $dir[$i]);
}
}else {
$res = $this->openFile($dir, $zipfilename , $dir);
}
if($res['code'] == -1){
return $res;
}
$out = $this->filezip();
Switch ($Todo) {
Case "1":
$this->DownLoad(__FILE__, $zipfilename, $out);
Break;
Case "2":
$this->SaveFile(__FILE__, $zipfilename, $out);
Break;
}
}
//函数用途:压缩文件,可以是单个也可以是数组的多个
//参数详解:$file需要压缩的文件(可为数组),$zipfilename压缩后的文件名及存放路径,$Todo处理方式1提供下载2保存文件在服务器
function ZipFile($file, $zipfilename, $Todo) {
IF (!@function_exists('gzcompress')) {
Return 0;
}
IF (is_array($file)) {
Foreach ($file as $filename) {
IF (is_file($filename)) {
$fd = fopen($filename, "rb");
$content = @fread($fd, filesize($filename));
fclose($fd);
$filename = basename($filename);
$this->addFile($content, $filename);
}
}
} Else {
IF (is_file($file)) {
$fd = fopen($file, "rb");
$content = @fread($fd, filesize($file));
fclose($fd);
$file = basename($file);
$this->addFile($content, $file);
}
}
$out = $this->filezip();
Switch ($Todo) {
Case "1":
$this->DownLoad(__FILE__, $zipfilename, $out);
Break;
Case "2":
$this->SaveFile(__FILE__, $zipfilename, $out);
Break;
}
}
//递归取得下层文件夹下的文件
function openFile($path, $zipName, $dirname) {
if(!file_exists($path)){
$code['code'] = -1;
$code['path'] = $path;
return $code;
}
$temp_path = $path;
$temp_zip_path = $zipName;
$pos = strripos($dirname, '/');
$path_name = substr($path, $pos);
IF ($handle = @opendir($path)) {
While (false !== ($file = readdir($handle))) {
IF ($file != '.' and $file != '..') {
IF (preg_match('/\./', $file . @basename())) {
$fd = fopen($path . '/' . $file, "r");
$fileValue = @fread($fd, 1024000);
fclose($fd);
$this->addFile($fileValue, $path_name . '/' . $file);
} Else {
$this->openFile($path . '/' . $file, $zipName . '/' . $file, $dirname);
}
}
}
$zipName = $temp_zip_path;
$path = $temp_path;
closedir($handle);
}
}
function addFile($data, $name, $time = 0) {
$name = str_replace('\\', '/', $name);
$name = str_replace('./', '', str_replace('../', '', $name));
$dtime = dechex($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);
$fr.=pack('v', strlen($name));
$fr.=pack('v', 0);
$fr.=$name;
$fr.=$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);
$cdrec.=pack('v', strlen($name));
$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;
$cdrec.=$name;
$this->ctrl_dir[] = $cdrec;
}
function filezip() {
$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($data)) . "\x00\x00";
}
function unix2DosTime($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) | ($timearray['seconds'] >> 1);
}
/*
解压缩部分
用途:解压缩文件
参数:$zn需要解压缩的zip文件及路径,$to解压缩的目的地
*/
function Unzip_File($zn, $to, $index = Array(-1)) {
error_reporting(0);
$ok = 0;
$zip = @fopen($zn, 'rb');
IF (!$zip) {
Return(-1);
}
$cdir = $this->ReadCentralDir($zip, $zn);
$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 $stat;
}
//取得压缩包内的文件信息
function get_List($zip_name) {
$zip = @fopen($zip_name, 'rb');
IF (!$zip) {
Return(0);
}
$centd = $this->ReadCentralDir($zip, $zip_name);
@rewind($zip);
@fseek($zip, $centd['offset']);
For ($i = 0; $i < $centd['entries']; $i++) {
$header = $this->ReadCentralFileHeaders($zip);
$header['index'] = $i;
$info['filename'] = $header['filename'];
$info['stored_filename'] = $header['stored_filename'];
$info['size'] = $header['size'];
$info['compressed_size'] = $header['compressed_size'];
$info['crc'] = strtoupper(dechex($header['crc']));
$info['mtime'] = $header['mtime'];
$info['comment'] = $header['comment'];
$info['folder'] = ($header['external'] == 0x41FF0010 || $header['external'] == 16) ? 1 : 0;
$info['index'] = $header['index'];
$info['status'] = $header['status'];
$ret[] = $info;
unset($header);
}
Return $ret;
}
function ReadFileHeader($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, $data['filename_len']);
IF ($data['extra_len'] != 0) {
$header['extra'] = fread($zip, $data['extra_len']);
} Else {
$header['extra'] = '';
}
$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 $header;
}
function ReadCentralFileHeaders($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', $binary_data);
IF ($header['filename_len'] != 0)
$header['filename'] = fread($zip, $header['filename_len']);
Else
$header['filename'] = '';
IF ($header['extra_len'] != 0)
$header['extra'] = fread($zip, $header['extra_len']);
Else
$header['extra'] = '';
IF ($header['comment_len'] != 0)
$header['comment'] = fread($zip, $header['comment_len']);
Else
$header['comment'] = '';
IF ($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;
Return $header;
}
function ReadCentralDir($zip, $zip_name) {
$size = filesize($zip_name);
IF ($size < 277) {
$maximum_size = $size;
} Else {
$maximum_size = 277;
}
@fseek($zip, $size - $maximum_size);
$pos = ftell($zip);
$bytes = 0x00000000;
While ($pos < $size) {
$byte = @fread($zip, 1);
$bytes = ($bytes << 8) | Ord($byte);
IF ($bytes == 0x504b0506) {
$pos++;
break;
}
$pos++;
}
$data = unpack('vdisk/vdisk_start/vdisk_entries/ventries/Vsize/Voffset/vcomment_size', fread($zip, 18));
IF ($data['comment_size'] != 0) {
$centd['comment'] = fread($zip, $data['comment_size']);
} Else {
$centd['comment'] = '';
}
$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 $centd;
}
function ExtractFile($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 < 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 . $header['filename'] . '.gz', 'rb') or die("Cette archive est compress閑");
IF (!$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 . $header['filename'] . '.gz');
}
}
Return true;
}
}$PHPZip = new PhpZip();
$zip_dir = $mail_path;
$down_name = date("YmdHis", time());
$res = $PHPZip->ZipDir($zip_dir, $down_name, 1);[email][/email]
ThinkPHP 是一个免费开源的,快速、简单的面向对象的 轻量级PHP开发框架 ,创立于2006年初,遵循Apache2开源协议发布,是为了敏捷WEB应用开发和简化企业应用开发而诞生的。ThinkPHP从诞生以来一直秉承简洁实用的设计原则,在保持出色的性能和至简的代码的同时,也注重易用性。并且拥有众多的原创功能和特性,在社区团队的积极参与下,在易用性、扩展性和性能方面不断优化和改进,已经成长为国内最领先和最具影响力的WEB应用开发框架,众多的典型案例确保可以稳定用于商业以及门户级的开发。