zoom(int $scale = 100): self
$config = ['path' => './tests']; $excel = new \Vtiful\Kernel\Excel($config); $fileObject = $excel->fileName("tutorial01.xlsx"); $fileObject->header(['name', 'age']) ->zoom(200) // 设置工作表缩放系数 ->data([ ['viest', 21], ['viest', 22], ['viest', 23], ]) ->output();