2018-12-28 18:58:37 +08:00
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<?php
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// +----------------------------------------------------------------------
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// | ShopXO 国内领先企业级B2C免费开源电商系统
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// +----------------------------------------------------------------------
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2021-03-16 10:34:52 +08:00
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// | Copyright (c) 2011~2099 http://shopxo.net All rights reserved.
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2018-12-28 18:58:37 +08:00
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// +----------------------------------------------------------------------
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2021-03-16 10:34:52 +08:00
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// | Licensed ( https://opensource.org/licenses/mit-license.php )
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2018-12-28 18:58:37 +08:00
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// +----------------------------------------------------------------------
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// | Author: Devil
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// +----------------------------------------------------------------------
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namespace base;
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/**
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* 压缩包驱动
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* @author Devil
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* @blog http://gong.gg/
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* @version 0.0.1
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* @datetime 2018-12-01T21:51:08+0800
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*/
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class ZipFolder
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{
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protected $zip;
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protected $root;
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protected $ignored_names;
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/**
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* 构造函数
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* @author Devil
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* @blog http://gong.gg/
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* @version 1.0.0
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* @datetime 2018-11-28T00:43:18+0800
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*/
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public function __construct()
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{
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2021-10-19 17:12:44 +08:00
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if(class_exists('ZipArchive'))
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{
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$this->zip = new \ZipArchive();
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} else {
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throw new \Exception("当前PHP环境无Zip扩展");
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}
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2018-12-28 18:58:37 +08:00
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}
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/**
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* 解压zip文件到指定文件夹
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* @author Devil
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* @blog http://gong.gg/
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* @version 1.0.0
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* @date 2018-06-29
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* @desc description
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* @param [string] $zipfile [压缩文件路径]
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* @param [string] $path [压缩包解压到的目标路径]
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* @return [boolean] [true | false]
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*/
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public function Unzip($zipfile, $path)
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{
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if($this->zip->open($zipfile) === true)
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{
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$file_tmp = @fopen($zipfile, "rb");
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$bin = fread($file_tmp, 15); //只读15字节 各个不同文件类型,头信息不一样。
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fclose($file_tmp);
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/* 只针对zip的压缩包进行处理 */
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if(true === $this->GetTypeList($bin))
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{
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$result = $this->zip->extractTo($path);
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$this->zip->close();
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return $result;
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}
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}
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return false;
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}
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/**
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* 创建压缩文件
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* @author Devil
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* @blog http://gong.gg/
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* @version 1.0.0
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* @date 2018-06-29
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* @desc description
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* @param [string] $zipfile [将要生成的压缩文件路径]
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* @param [string] $folder [将要被压缩的文件夹路径]
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* @param [string] $ignored [要忽略的文件列表]
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* @return [boolean] [true | false]
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*/
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public function Zip($zipfile, $folder, $ignored = null)
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{
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2020-05-11 23:02:15 +08:00
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$this->ignored_names = is_array($ignored) ? $ignored : ($ignored ? array($ignored) : array());
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2018-12-28 18:58:37 +08:00
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if($this->zip->open($zipfile, \ZipArchive::CREATE) !== true)
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{
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2021-10-19 17:12:44 +08:00
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throw new \Exception("cannot open <$zipfile>\n");
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2018-12-28 18:58:37 +08:00
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}
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$folder = substr($folder, -1) == '/' ? substr($folder, 0, strlen($folder)-1) : $folder;
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if(strstr($folder, '/'))
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{
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$this->root = substr($folder, 0, strrpos($folder, '/')+1);
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$folder = substr($folder, strrpos($folder, '/')+1);
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}
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$this->CreateZip($folder);
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return $this->zip->close();
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}
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/**
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* 递归添加文件到压缩包
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* @author Devil
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* @blog http://gong.gg/
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* @version 1.0.0
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* @date 2018-06-29
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* @desc description
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* @param [string] $folder [添加到压缩包的文件夹路径]
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* @param [string] $parent [添加到压缩包的文件夹上级路径]
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*/
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private function CreateZip($folder, $parent = null)
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{
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$full_path = $this->root . $parent . $folder;
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$zip_path = $parent . $folder;
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$this->zip->addEmptyDir($zip_path);
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$dir = new \DirectoryIterator($full_path);
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foreach($dir as $file)
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{
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if(!$file->isDot())
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{
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$filename = $file->getFilename();
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if(!in_array($filename, $this->ignored_names))
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{
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if($file->isDir())
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{
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$this->CreateZip($filename, $zip_path.'/');
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} else {
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$this->zip->addFile($full_path.'/'.$filename, $zip_path.'/'.$filename);
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}
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}
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}
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}
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}
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/**
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* 读取压缩包文件与目录列表
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* @author Devil
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* @blog http://gong.gg/
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* @version 1.0.0
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* @date 2018-06-29
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* @desc description
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* @param [string] $zipfile [压缩包文件]
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* @return [array] [文件与目录列表]
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*/
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public function FileList($zipfile)
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{
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$file_dir_list = array();
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$file_list = array();
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if($this->zip->open($zipfile) == true)
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{
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for ($i = 0; $i < $this->zip->numFiles; $i++)
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{
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$numfiles = $this->zip->getNameIndex($i);
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if(preg_match('/\/$/i', $numfiles))
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{
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$file_dir_list[] = $numfiles;
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} else {
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$file_list[] = $numfiles;
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}
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}
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}
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return array('files'=>$file_list, 'dirs'=>$file_dir_list);
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}
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/**
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* 得到文件头与文件类型映射表
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* @author Devil
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* @blog http://gong.gg/
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* @version 1.0.0
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* @date 2018-06-29
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* @desc description
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* @param [string] $bin [文件的二进制前一段字符]
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* @return [boolean] [true | false]
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*/
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private function GetTypeList($bin)
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{
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$array = array(
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array("504B0304", "zip")
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);
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foreach($array as $v)
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{
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$blen = strlen(pack("H*", $v[0])); //得到文件头标记字节数
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$tbin = substr($bin, 0, intval($blen)); ///需要比较文件头长度
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if(strtolower($v[0]) == strtolower(array_shift(unpack("H*", $tbin))))
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{
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return true;
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}
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}
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return false;
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}
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}
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?>
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