pythonweb框架中使用原生分页

原生分页器 示例   

#!/usr/bin/env python
# -*- coding:utf-8 -*-


class Pagination:

    def __init__(self, p, all_count, pre=10, max_show=11):
        """

                :param p:    当前页码
                :param all_count:  数据总条数
                :param pre:  每页数据量
                :param max_show: 最多页码数
                """
        try:
            self.p = int(p)  # 传进来的页码
            if self.p <= 0:
                self.p = 1
        except Exception as e:
            self.p = 1

        # 总量
        # all_count = all_count
        # pre = per  # 每页数据条数
        total_num, more = divmod(all_count, pre)
        if more:
            total_num += 1  # total_num总数据页数

        # 显示页码数
        max_show = max_show
        if total_num <= max_show:  # 总数据量很小
            page_start = 1
            page_end = total_num
        else:
            if self.p - max_show // 2 <= 0:  # 避免左侧涌现0页
                page_start = 1
                page_end = max_show

            elif self.p + max_show // 2 >= total_num + 1:  # 避免右侧涌现超越
                page_end = total_num
                page_start = page_end - max_show
            else:
                page_start = self.p - max_show // 2
                page_end = self.p + max_show // 2

        # 数据的起始停止
        self.start = (self.p - 1) * pre
        self.end = self.p * pre

        # 页码
        self.page_start = page_start
        self.page_end = page_end
        self.total_num = total_num

    @property
    def page_html(self):
        li_list = []
        for i in range(self.page_start, self.page_end + 1):
            if i == self.p:
                li_list.append("<li class="active"><a href=##!/usr/bin/env python
# -*- codin