//批量下载图片

public function download_img_all(){

   //图片数组
    $res = array(
       [0] = array(
         ‘ima_path‘=>‘/Uploads/1.png‘,
       ),
       [1] = array(
         ‘ima_path‘=>‘/Uploads/2.png‘,
       )
    );
    //创建压缩包的路径
    $filename = $_SERVER[‘DOCUMENT_ROOT‘].‘/Uploads/Dwonload.zip‘;

    $zip = new \ZipArchive;

    $zip->open($filename,$zip::CREATE);
    //往压缩包内添加目录
    $zip->addEmptyDir(‘images‘); 

    foreach ($res as $value) {
        $fileData = http://www.mamicode.com/file_get_contents( $_SERVER[‘DOCUMENT_ROOT‘].$value[‘img_path‘]);
        if ($fileData) {
            $add = $zip->addFromString(‘images/‘.$value[‘img_path‘].‘.jpg‘, $fileData);
        }
    }

    $zip->close();
    //打开文件
   
    //下载文件
    ob_end_clean();
    header("Content-Type: application/force-download");
    header("Content-Transfer-Encoding: binary");
    header(‘Content-Type: application/zip‘);
    header(‘Content-Disposition: attachment; filename=‘.time().‘.zip‘);
    header(‘Content-Length: ‘.filesize($filename));
    error_reporting(0);
    readfile($filename);
    flush();
    ob_flush();


}

download_img_all();
//大概就是这样子

php批量下载图片