问题
I´m using django to generate a pdf and return the response as an attachment in the view.
response = HttpResponse(mimetype='application/pdf')
response['Content-Disposition'] = 'attachment; filename=somefilename.pdf'
Similar to the way described in the doc (http://docs.djangoproject.com/en/dev/howto/outputting-pdf/#write-your-view)
What is the best way to reload the page?
This didn´t work out (the form triggers the pdf generation):
$('#the_form').submit(function(){
location.reload();
});
Thanks a lot, Danny
回答1:
Don't reload. Instead create a view which is the target of the form. The view generates the PDF in a directory that is delivered from the real web server and then sends the user to the appropriated URL, where he can download the file (use HttpResponseRedirect).
回答2:
Just set the forms target to the view that generates the pdf. Below I included some pros and cons for this approach vs the approach suggested by Martin (to write files to a directory the world can read)
Pros:
- You can do authentication or special billing or whatever
- Every request will generate a new PDF (unless you explicitly cache it)
Cons:
- Every request will generate a new PDF
- Memory usage
- You have to stream a file from Django
--
Another solution would be to use the X-SendFile header of your webserver. Do a google search for instructions for your particular server. The general idea is that your view gives the webserver a path to a file which the webserver will then read directly from disk and return to the user. You can probably "force download" even these files, have a look at the documentation for your webserver on how to do it.
来源：https://stackoverflow.com/questions/4030508/outputting-pdf-with-django-as-attachment-and-reload