#分页组件

class Pagination(object):

    def __init__(self,current_page,all_count,base_url,per_page_num=8,pager_count=11,):
        """
        封装分页相关数据
        :param current_page: 当前页
        :param all_count:    数据库中的数据总条数
        :param per_page_num: 每页显示的数据条数
        :param base_url: 分页中显示的URL前缀
        :param pager_count:  最多显示的页码个数
        """

        try:
            current_page = int(current_page)
        except Exception as e:
            current_page = 1

        if current_page <1:
            current_page = 1

        self.current_page = current_page

        self.all_count = all_count
        self.per_page_num = per_page_num

        self.base_url = base_url

        # 总页码
        all_pager, tmp = divmod(all_count, per_page_num)
        if tmp:
            all_pager += 1
        self.all_pager = all_pager


        self.pager_count = pager_count
        self.pager_count_half = int((pager_count - 1) / 2)

        # self.params=params # {"id":1,"title":"python","page":109}--->"id=1&title=python&page=109"


    @property
    def start(self):
        return (self.current_page - 1) * self.per_page_num

    @property
    def end(self):
        return self.current_page * self.per_page_num

    def page_html(self):
        # 如果总页码 < 11个：
        if self.all_pager <= self.pager_count:
            pager_start = 1
            pager_end = self.all_pager + 1
        # 总页码  > 11
        else:
            # 当前页如果<=页面上最多显示(11-1)/2个页码
            if self.current_page <= self.pager_count_half:
                pager_start = 1
                pager_end = self.pager_count + 1

            # 当前页大于5
            else:
                # 页码翻到最后
                if (self.current_page + self.pager_count_half) > self.all_pager:
                    pager_start = self.all_pager - self.pager_count + 1
                    pager_end = self.all_pager + 1

                else:
                    pager_start = self.current_page - self.pager_count_half
                    pager_end = self.current_page + self.pager_count_half + 1

        page_html_list = []

        first_page = '<li><a href="%s?page=%s">首页</a></li>' % (self.base_url,1,)
        page_html_list.append(first_page)

        if self.current_page <= 1:
            prev_page = '<li class="disabled"><a href="#">上一页</a></li>'
        else:
            prev_page = '<li><a href="%s?page=%s">上一页</a></li>' % (self.base_url,self.current_page - 1,)

        page_html_list.append(prev_page)

        for i in range(pager_start, pager_end):
            if i == self.current_page:
                temp = '<li class="active"><a href="%s?page=%s">%s</a></li>' % (self.base_url,i, i,)
            else:
                temp = '<li><a href="%s?page=%s">%s</a></li>' % (self.base_url,i,i,)
            page_html_list.append(temp)

        if self.current_page >= self.all_pager:
            next_page = '<li class="disabled"><a href="#">下一页</a></li>'
        else:
            next_page = '<li><a href="%s?page=%s">下一页</a></li>' % (self.base_url,self.current_page + 1,)
        page_html_list.append(next_page)

        last_page = '<li><a href="%s?page=%s">尾页</a></li>' % (self.base_url,self.all_pager,)
        page_html_list.append(last_page)

        return ''.join(page_html_list)
##########################################
#views部分

from .fenye.page import Pagination
page_num=request.GET.get("page",1)
total_count=FangLie.objects.all().count()
base_url=request.path_info
page=Pagination(page_num,total_count,base_url,per_page_num=8,pager_count=11)
lie=lie[page.start:page.end]
page_html=page.page_html()
#前端部分

<div class="fye">
  <nav aria-label="Page navigation">
     <ul class="pagination">
      {{ page_html|safe }}
     </ul>
  </nav>
</div>