shopxo/extend/base/ZipFolder.php

192 lines
6.1 KiB
PHP
Raw Normal View History

2018-12-28 18:58:37 +08:00
<?php
// +----------------------------------------------------------------------
// | ShopXO 国内领先企业级B2C免费开源电商系统
// +----------------------------------------------------------------------
2021-03-16 10:34:52 +08:00
// | Copyright (c) 2011~2099 http://shopxo.net All rights reserved.
2018-12-28 18:58:37 +08:00
// +----------------------------------------------------------------------
2021-03-16 10:34:52 +08:00
// | Licensed ( https://opensource.org/licenses/mit-license.php )
2018-12-28 18:58:37 +08:00
// +----------------------------------------------------------------------
// | Author: Devil
// +----------------------------------------------------------------------
namespace base;
/**
* 压缩包驱动
* @author Devil
* @blog http://gong.gg/
* @version 0.0.1
* @datetime 2018-12-01T21:51:08+0800
*/
class ZipFolder
{
protected $zip;
protected $root;
protected $ignored_names;
/**
* 构造函数
* @author Devil
* @blog http://gong.gg/
* @version 1.0.0
* @datetime 2018-11-28T00:43:18+0800
*/
public function __construct()
{
2021-10-19 17:12:44 +08:00
if(class_exists('ZipArchive'))
{
$this->zip = new \ZipArchive();
} else {
throw new \Exception("当前PHP环境无Zip扩展");
}
2018-12-28 18:58:37 +08:00
}
/**
* 解压zip文件到指定文件夹
* @author Devil
* @blog http://gong.gg/
* @version 1.0.0
* @date 2018-06-29
* @desc description
* @param [string] $zipfile [压缩文件路径]
* @param [string] $path [压缩包解压到的目标路径]
* @return [boolean] [true | false]
*/
public function Unzip($zipfile, $path)
{
if($this->zip->open($zipfile) === true)
{
$file_tmp = @fopen($zipfile, "rb");
$bin = fread($file_tmp, 15); //只读15字节 各个不同文件类型,头信息不一样。
fclose($file_tmp);
/* 只针对zip的压缩包进行处理 */
if(true === $this->GetTypeList($bin))
{
$result = $this->zip->extractTo($path);
$this->zip->close();
return $result;
}
}
return false;
}
/**
* 创建压缩文件
* @author Devil
* @blog http://gong.gg/
* @version 1.0.0
* @date 2018-06-29
* @desc description
* @param [string] $zipfile [将要生成的压缩文件路径]
* @param [string] $folder [将要被压缩的文件夹路径]
* @param [string] $ignored [要忽略的文件列表]
* @return [boolean] [true | false]
*/
public function Zip($zipfile, $folder, $ignored = null)
{
$this->ignored_names = is_array($ignored) ? $ignored : ($ignored ? array($ignored) : array());
2018-12-28 18:58:37 +08:00
if($this->zip->open($zipfile, \ZipArchive::CREATE) !== true)
{
2021-10-19 17:12:44 +08:00
throw new \Exception("cannot open <$zipfile>\n");
2018-12-28 18:58:37 +08:00
}
$folder = substr($folder, -1) == '/' ? substr($folder, 0, strlen($folder)-1) : $folder;
if(strstr($folder, '/'))
{
$this->root = substr($folder, 0, strrpos($folder, '/')+1);
$folder = substr($folder, strrpos($folder, '/')+1);
}
$this->CreateZip($folder);
return $this->zip->close();
}
/**
* 递归添加文件到压缩包
* @author Devil
* @blog http://gong.gg/
* @version 1.0.0
* @date 2018-06-29
* @desc description
* @param [string] $folder [添加到压缩包的文件夹路径]
* @param [string] $parent [添加到压缩包的文件夹上级路径]
*/
private function CreateZip($folder, $parent = null)
{
$full_path = $this->root . $parent . $folder;
$zip_path = $parent . $folder;
$this->zip->addEmptyDir($zip_path);
$dir = new \DirectoryIterator($full_path);
foreach($dir as $file)
{
if(!$file->isDot())
{
$filename = $file->getFilename();
if(!in_array($filename, $this->ignored_names))
{
if($file->isDir())
{
$this->CreateZip($filename, $zip_path.'/');
} else {
$this->zip->addFile($full_path.'/'.$filename, $zip_path.'/'.$filename);
}
}
}
}
}
/**
* 读取压缩包文件与目录列表
* @author Devil
* @blog http://gong.gg/
* @version 1.0.0
* @date 2018-06-29
* @desc description
* @param [string] $zipfile [压缩包文件]
* @return [array] [文件与目录列表]
*/
public function FileList($zipfile)
{
$file_dir_list = array();
$file_list = array();
if($this->zip->open($zipfile) == true)
{
for ($i = 0; $i < $this->zip->numFiles; $i++)
{
$numfiles = $this->zip->getNameIndex($i);
if(preg_match('/\/$/i', $numfiles))
{
$file_dir_list[] = $numfiles;
} else {
$file_list[] = $numfiles;
}
}
}
return array('files'=>$file_list, 'dirs'=>$file_dir_list);
}
/**
* 得到文件头与文件类型映射表
* @author Devil
* @blog http://gong.gg/
* @version 1.0.0
* @date 2018-06-29
* @desc description
* @param [string] $bin [文件的二进制前一段字符]
* @return [boolean] [true | false]
*/
private function GetTypeList($bin)
{
$array = array(
array("504B0304", "zip")
);
foreach($array as $v)
{
$blen = strlen(pack("H*", $v[0])); //得到文件头标记字节数
$tbin = substr($bin, 0, intval($blen)); ///需要比较文件头长度
if(strtolower($v[0]) == strtolower(array_shift(unpack("H*", $tbin))))
{
return true;
}
}
return false;
}
}
?>