$zip = new ZipFolder();
$zipFile = './autoloadClass/Sxf/zip/img.zip';//生成压缩文件的路径
$path = './autoloadClass/Sxf/images/';//被压缩文件夹的路径
$zip->zip($zipFile,$path);

/*** Zip 文件包工具* @author 王召波* @date 2019-07-07*/
class ZipFolder
{protected $zip;protected $root;protected $ignored_names;public function __construct(){$this->zip = new ZipArchive;}/*** 解压zip文件到指定文件夹** @access public* @param string $zipfile 压缩文件路径* @param string $path  压缩包解压到的目标路径* @return booleam 解压成功返回 true 否则返回 false*/public function unzip ($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;}else{return false;}}return false;}/*** 创建压缩文件* @access public* @param string $zipfile 将要生成的压缩文件路径* @param strng $folder 将要被压缩的文件夹路径* @param array $ignored 要忽略的文件列表* @return booleam 压缩包生成成功返回true 否则返回 false*/public function zip ($zipfile, $folder, $ignored = null) {$this->ignored_names = is_array($ignored) ? $ignored : $ignored ? array($ignored) : array();if ($this->zip->open($zipfile, ZIPARCHIVE::CREATE) !== true) {throw new Exception("cannot open <$zipfile>\n");}$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** @access private* @param string $folder 添加到压缩包的文件夹路径* @param string $parent 添加到压缩包的文件夹上级路径* @return void*/private function createZip ($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, $zip_path.'/');}else {//第二个参数是重命名文件名,带上路径就可以改变当前文件在压缩包里面的路径.$this->zip->addFile($full_path.'/'.$filename, $zip_path.'/'.$filename);}}}}}/*** 读取压缩包文件与目录列表** @access public* @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 wengxianhu* @date 2013-08-10* @param $bin string 文件的二进制前一段字符* @return boolean*/private function getTypeList ($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;}
}