>From the tutorial of Django, there is the following code in >here<http://docs.djangoproject.com/en/1.2/intro/tutorial04/>
<http://docs.djangoproject.com/en/1.2/intro/tutorial04/>Who knows the mechanism behind a redirect or a direct response? Refer the comments below. Thanks a lot! from django.shortcuts import get_object_or_404, render_to_responsefrom django.http import HttpResponseRedirect, HttpResponsefrom django.core.urlresolvers import reversefrom django.template import RequestContextfrom polls.models import Choice, Poll# ...def vote(request, poll_id): p = get_object_or_404(Poll, pk=poll_id) try: selected_choice = p.choice_set.get(pk=request.POST['choice']) except (KeyError, Choice.DoesNotExist): # Redisplay the poll voting form. return render_to_response('polls/detail.html', { 'poll': p, 'error_message': "You didn't select a choice.", }, context_instance=RequestContext(request)) else: selected_choice.votes += 1 selected_choice.save() * # Always return an HttpResponseRedirect after successfully dealing # with POST data. This prevents data from being posted twice if a # user hits the Back button.* return HttpResponseRedirect(reverse('polls.views.results', args=(p.id,))) -- You received this message because you are subscribed to the Google Groups "Django users" group. To post to this group, send email to django-us...@googlegroups.com. To unsubscribe from this group, send email to django-users+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/django-users?hl=en.
