Django 分页 以及自定义分页（django 分组）

from django.core.paginator import Paginator
objects = ['john','paul','george','ringo','lucy','meiry','checy','wind','flow','rain']
p = Paginator(objects,3) # 3条数据为一页，实例化分页对象
print(p.count) # 10 对象总共10个元素
print(p.num_pages) # 4 对象可分4页
print(p.page_range) # xrange(1, 5) 对象页的可迭代范围

page1 = p.page(1) # 取对象的第一分页对象
print(page1.object_list) # 第一分页对象的元素列表['john', 'paul', 'george']
print(page1.number) # 第一分页对象的当前页值 1

page2 = p.page(2) # 取对象的第二分页对象
print(page2.object_list) # 第二分页对象的元素列表 ['ringo', 'lucy', 'meiry']
print(page2.number) # 第二分页对象的当前页码值 2

print(page1.has_previous()) # 第一分页对象是否有前一页 False
print(page1.has_other_pages()) # 第一分页对象是否有其它页 True

print(page2.has_previous()) # 第二分页对象是否有前一页 True
print(page2.has_next()) # 第二分页对象是否有下一页 True
print(page2.next_page_number()) # 第二分页对象下一页码的值 3
print(page2.previous_page_number()) # 第二分页对象的上一页码值 1
print(page2.start_index()) # 第二分页对象的元素开始索引 4
print(page2.end_index()) # 第2分页对象的元素结束索引 6

def display_table_objs(request,app_name,table_name):
    admin_class = easy_admin.enabled_admins[app_name][table_name]
    object_list,filter_condtions = table_filter(request, admin_class)
    paginator = Paginator(object_list, admin_class.list_per_page)  # Show 25 contacts per page
    print(request.get_full_path())
    page = request.GET.get('page')
    try:
        object_list=paginator.page(page)
    except PageNotAnInteger:
        object_list=paginator.page(1)
    except EmptyPage:
        object_list=paginator.page(paginator.num_pages)
    return render(request,'easyadmin/display_table.html',{"admin_class":admin_class,"filter_condtions":filter_condtions,'object_list':object_list})

@register.simple_tag()
def easypaginator(request,object_list):
    """now_page:当前页
        show_page：需要显示多少页
        num_pages：总共有多少页
    """
    now_page=object_list.number
    show_page=6
    num_pages=object_list.paginator.num_pages
    base_url=""
    for k,v in request.GET.items():
        if k=='page':
            continue
        if v:
            base_url+="&%s=%s" %(k,v)
    if num_pages <= show_page:
        """如果总页数小于需要展示的页数 那么久把所有的页码都打出来吧"""
        start_page=1
        end_page=num_pages
    else:
        start_page = now_page - (show_page - 1) / 2
        end_page = now_page + (show_page - 1) / 2
        if start_page <= 0:
            start_page = 1
            end_page = start_page + show_page - 1
        if end_page >= num_pages:
            end_page = num_pages
            start_page = num_pages - show_page + 1
    str_list = []
    if now_page == 1:
        prevpage = '<li class="disabled"><a>上一页</a></li>'
    else:
        active_url="?page=%s" % str(now_page-1)
        prevpage = '<li><a href=%s>上一页</a></li>' %(active_url+base_url)
    if now_page == num_pages:
        lastpage = '<li class="disabled" ><a href="#">下一页</a></li>'
    else:
        active_url = "?page=%s" % str(now_page + 1)
        lastpage='<li><a class="" href=%s>下一页</a></li>' %(active_url+base_url)
    str_list.append(prevpage)
    for i in range(int(start_page), int(end_page + 1)):
        if i == now_page:
            active_url = "?page=%s" % str(i)
            tmp = '<li class="active" ><a href=%s >%s</a></li>' %(active_url+base_url,str(i))
        else:
            active_url = "?page=%s" % str(i)
            tmp = '<li class="" ><a href=%s >%s</a></li>' % (active_url + base_url, str(i))
        str_list.append(tmp)
    str_list.append(lastpage)
    omit='<li class="" ><a>....</a></li>'
    if num_pages > show_page:
        str_list.insert(int(len(str_list)/2),omit)
    str_list = mark_safe("".join(str_list))
    return str_list

 <nav class="page pagination">
      <ul class="pagination">
      {% easypaginator request object_list %}
       </ul>
 </nav>