/* * new creatZip($_dir,$_zipName); *@ _dir是被压缩的文件夹名称,可使用路径,例 'a'或者'a/test.txt'或者'test.txt' *@ _zipName是压缩后的压缩包名称,可使用路径,例 'a/test.zip'或者'test.zip' **/ class creatZip { private $_dir; private $_zipDir; private $_zipName; public function __construct($dir,$zipName) { $this->_dir = $dir; $this->_zipDir = basename($dir); $this->_zipName = $zipName; $this->mkdirs(); $this->creat(); } //检测并生成目录 private function mkdirs() { if (!is_dir(dirname($this->_zipName))) { $arr = explode('/', dirname($this->_zipName)); $arrs = ''; foreach($arr as $value) { if (!is_dir($arrs.$value)) { if (!!mkdir($arrs.$value)) { $arrs .= $value.'/'; } } } } } //生成Zip压缩包 private function creat() { $zip = new ZipArchive; if (is_dir($this->_dir)) { $this->readDir($this->_dir,$files); if ($zip->open($this->_zipName,ZipArchive::CREATE)) { foreach ($files as $value) { preg_match('//('.$this->_zipDir.'/.*)/', $value, $match); if (is_dir($value)) { @$zip->addEmptyDir($value, $match[1]); } else { @$zip->addFile($value, $match[1]); } } $zip->close(); } } else { if ($zip->open($this->_zipName,ZipArchive::CREATE)) { $zip->addFile($this->_dir, basename($this->_dir)); } } } //读取文件夹所有文件 private function readDir($dir,&$arr) { if ($dirs = opendir($dir)) { while (($file=readdir($dirs)) != false) { if ($file == '.' || $file == '..') continue; $files = $dir .'/'. $file; if (is_dir($files) && $this->isEmpty($files)) { $this->readDir($files,$arr); } else { $arr[] = $files; } } } closedir($dirs); } //判断文件夹是否为空 private function isEmpty($dir) { if ($_dirs = opendir($dir)) { while (($file=readdir($dirs)) != false) { if($file != '.' && $file != '..') { closedir($dirs); return true; break; } } closedir($dirs); return false; } } }
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