django实现分页的方法

#!/usr/bin/env python
# -*- coding: utf-8 -*-
# Create your views here.
from django.shortcuts import render_to_response
from winlog.log_dj.models import Winlog
from django.core.paginator import Paginator,InvalidPage,EmptyPage,PageNotAnInteger
def index(request):
  after_range_num = 5
  before_range_num = 4
  try:
    page=int(request.GET.get('page','1'))
    if page < 1:
      page=1
  except ValueError:
    page=1
  winlog_list = Winlog.objects.all().order_by('-id')
  paginator = Paginator(winlog_list, 10)
  try:
    winloglist = paginator.page(page)
  except (EmptyPage,InvalidPage,PageNotAnInteger):
    winloglist = paginator.page(1)
  if page >= after_range_num:
    page_range = paginator.page_range[page-after_range_num:page+before_range_num]
  else:
    page_range = paginator.page_range[0:int(page)+before_range_num]
  return render_to_response('log_dj/index.html', locals())

{% for winlog in winloglist.object_list %}
  {{ winlog.date }}|{{ winlog.time }} <br />
{% endfor %}
{% if winloglist.has_previous %}
<a href="?page={{ winloglist.previous_page_number }}" title="下一页">上一页</a>&
nbsp;
{% endif %}
{% for p in page_range %}
{% ifequal p winloglist.number %}
<span>{{p}}</span>
{% else %}
<a href="?page={{p}}" title="第{{p}}页">{{p}}</a>
{% endifequal %}
{% endfor %}
&nbsp;
{% if winloglist.has_next %}
<a href="?page={{ winloglist.next_page_number }}" title="下一页">下一页</a>&nbsp
;
{% endif %}
<!-- 第 {{ userList.number }} 页 共 {{ userList.paginator.num_pages }} 页-->