laravel 下载pdf

https://www.ziruchu.com/art/469

 

public function generate($id)
    {
        $data = CoverLetter::where([
            ['id', '=', $id],
            ['user_id', '=', auth()->user()->id]
        ])->first();

        $path = public_path() . '/pdf/' . $data->filename . '.pdf';

        $pdf = PDF::loadView('pdf.coverletter', $data);

        $pdf->save($path);

        return response()->download($path);
    }

　　vue

axios({
  url: '/cover-letter/generate/' + file.id,
  method: 'GET',
  responseType: 'blob', // important
}).then((response) => {
  const url = window.URL.createObjectURL(new Blob([response.data]));
  const link = document.createElement('a');
  link.href = url;
  link.setAttribute('download', 'file.pdf');
  document.body.appendChild(link);
  link.click();
});