因为中国队赢了，再撸一下DJANGO的官方文档吧

from django.shortcuts import render
from django.http import Http404
from django.shortcuts import get_object_or_404
from django.http import HttpResponse, HttpResponseRedirect
from .models import Question, Choice
from django.template import RequestContext, loader
from django.core.urlresolvers import reverse
from django.views import generic

# Create your views here.
def index(request):
latest_question_list = Question.objects.order_by('pub_date')[:5]
#template = loader.get_template('polls/index.html')
#context = RequestContext(request, {'latest_question_list': latest_question_list})
#output = ','.join([p.question_text for p in latest_question_list])
context = {'latest_question_list': latest_question_list}
return render(request, 'polls/index.html', context)

def detail(request, question_id):
question = get_object_or_404(Question, pk=question_id)
'''
try:
question = Question.objects.get(pk=question_id)
except Question.DoesNotExist:
raise Http404("Question does not exist")
'''
return render(request, 'polls/detail.html', {'question': question})

def results(request, question_id):
question = get_object_or_404(Question, pk=question_id)
return render(request, 'polls/results.html', {'question': question})

def vote(request, question_id):
p = get_object_or_404(Question, pk=question_id)
try:
selected_choice = p.choice_set.get(pk=request.POST['choice'])
except(KeyError, Choice.DoesNotExist):
return render(request, 'polls/detail.html', {
'question': p,
'error_message': "You did not select a choice.",
})
else:
selected_choice.votes += 1
selected_choice.save()
return HttpResponseRedirect(reverse('polls:results', args=(p.id,)))

class IndexView(generic.ListView):
template_name = 'polls/index.html'
context_object_name = 'latest_question_list'

def get_queryset(self):
return Question.objects.order_by('-pub_date')[:5]

class DetailView(generic.DetailView):
model = Question
template_name = 'polls/detail.html'

class ResultView(generic.DetailView):
model = Question
template_name = 'polls/results.html'