$zip_file = 'invoices.zip'; // 要下载的压缩包的名称
// 初始化 PHP 类
$zip = new \ZipArchive();
$zip->open($zip_file, \ZipArchive::CREATE | \ZipArchive::OVERWRITE);
$invoice_file = 'invoices/aaa001.pdf';
// 添加文件：第二个参数是待压缩文件在压缩包中的路径
// 所以，它将在 ZIP 中创建另一个名为 "storage/" 的路径，并把文件放入目录。
$zip->addFile(storage_path($invoice_file), $invoice_file);
$zip->close();
// 我们将会在文件下载后立刻把文件返回原样
return response()->download($zip_file);

$zip_file = 'invoices.zip';
$zip = new \ZipArchive();
$zip->open($zip_file, \ZipArchive::CREATE | \ZipArchive::OVERWRITE);

$path = storage_path('invoices');
$files = new \RecursiveIteratorIterator(new \RecursiveDirectoryIterator($path));
foreach ($files as $name => $file)
{
 // 我们要跳过所有子目录
 if (!$file->isDir()) {
  $filePath  = $file->getRealPath();

  // 用 substr/strlen 获取文件扩展名
  $relativePath = 'invoices/' . substr($filePath, strlen($path) + 1);

  $zip->addFile($filePath, $relativePath);
 }
}
$zip->close();
return response()->download($zip_file);

add to providers Chumper\Zipper\ZipperServiceProvider::class
add to aliases 'Zipper' => Chumper\Zipper\Zipper::class

$files = Array();
    foreach ($student as $key => $data) {
      if ($data->photopath != null) {
        $check = glob(storage_path('photo/' . $data->photopath));
        $files = array_merge($files, $check);
      }
    }
 Zipper::make(storage_path() . '/systemImg/' . $name)->add($files)->close();

  Zipper::make( storage_path() . '/photo/photos')->extractTo(storage_path('temp'));
 $zip = new \ZipArchive();//方法2：流处理，新建一个ZipArchive的对象
        $logFiles = Zipper::make($path)->listFiles('/\.png$/i');
        if ($zip->open($path) === TRUE) {
          foreach ($logFiles as $key) {
            $stream = $zip->getStream($key);
            $str = stream_get_contents($stream); //这里注意获取到的文本编码
            $name = iconv("utf-8", "gb2312//IGNORE", $key);
            file_put_contents(storage_path() . '\temp\\' . $name, $str);
          }
        } else {
          return '{"statusCode":"300", "message":"上传失败，请检查照片"}';
        }