thinkphp使用PhpSpreadsheet保存到指定路径

Question

header('Content-Type: application/vnd.ms-excel');  
header('Content-Disposition: attachment;filename="' . '信息' . '.xlsx"');  
header('Cache-Control: max-age=0');  
$writer \= new Xlsx($spreadsheet);  
  
$writer\->save('php://output');//直接开始下载

上面是直接就开始下载
如何填写路径保存到runtime下面的呢

Answer 1

save方法中写路径就好了