django

django pagination demo

1. a demo for using pagination

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from django.core.paginator import Paginator, EmptyPage, PageNotAnInteger
def listing(request):
    contact_list = Contacts.objects.all()
    paginator = Paginator(contact_list, 25) # Show 25 contacts per page
    page = request.GET.get('page')
    try:
        contacts = paginator.page(page)
    except PageNotAnInteger:
        # If page is not an integer, deliver first page.
        contacts = paginator.page(1)
    except EmptyPage:
        # If page is out of range (e.g. 9999), deliver last page of results.
        contacts = paginator.page(paginator.num_pages)
    return render_to_response('list.html', {"contacts": contacts})

django_182

2. get objects length

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cnt = contact_list.count()
cnt = Contacts.objects.all().count()