pager.py

# -*- coding:utf8 -*-
"""
引用说明：
数据总个数：total_count
数据总页数：num_pages
每页显示的行数：perPageItemNum【默认显示10行】
最多显示页码数：maxPageNum【默认显示7个页码数】
默认返回页面：get_people.html【如需修改请批量替换】
"""
class Pagination(object):# 需要传入的值：数据总个数、当前页、每页显示行数、最多显示页码def __init__(self,totalCount,currentPage,perPageItemNum=10,maxPageNum=3):# 数据总个数self.total_count = totalCounttry:# 当前页v = int(currentPage)if v <= 0:v = 1self.current_page = vexcept Exception as e:self.current_page = 1# 每页显示的行数self.per_page_item_num = perPageItemNum# 最多显示页面self.max_page_num = maxPageNum#页数显示切片起始位def start(self):return (self.current_page-1) * self.per_page_item_num# 页数显示切片结束位def end(self):return self.current_page * self.per_page_item_num@propertydef num_pages(self):"""总页数"""a,b = divmod(self.total_count,self.per_page_item_num)if b == 0:return areturn a+1#页码范围def pager_num_range(self):if self.num_pages < self.max_page_num:return range(1,self.num_pages+1)part = int(self.max_page_num/2)if self.current_page <= part:return range(1,self.max_page_num+1)if (self.current_page + part) > self.num_pages:return range(self.num_pages-self.max_page_num+1,self.num_pages+1)return range(self.current_page-part,self.current_page+part+1)def page_str(self):page_list = []first = "<li><a href='get_people.html?p=1'>首页</a></li>"page_list.append(first)if self.current_page == 1:prev = "<li><a href='#'>上一页</a></li>"else:prev = "<li><a href='get_people.html?p=%s'>上一页</a></li>" %(self.current_page-1,)page_list.append(prev)for i in self.pager_num_range():if i == self.current_page:temp = "<li class='active'><a href='get_people.html?p=%s'>%s</a></li>" %(i,i)else:temp = "<li><a href='get_people.html?p=%s'>%s</a></li>" % (i, i)page_list.append(temp)if self.current_page == self.num_pages:nex = "<li><a href='#'>下一页</a></li>"else:nex = "<li><a href='get_people.html?p=%s'>下一页</a></li>" % (self.current_page + 1,)page_list.append(nex)last = "<li><a href='get_people.html?p=%s'>尾页</a></li>" %(self.num_pages,)page_list.append(last)return ''.join(page_list)

调用示例

from APP.views.pager import Pagination
#引用分页模块
def get_people(request):                                        #成员展示Gro_list = models.Group.objects.all()                                   #获取所有群组列表Dep_list = models.Department.objects.all()                              #获取所有部门列表people_list = models.People.objects.all()                               #获取所有人员列表people_num = models.People.objects.count()                              #获取所有人员数量#人员分页显示dq_Page = request.GET.get('p')                                          #获取当前页if dq_Page==None:dq_Page=1                                              #第一次打开无页码传入是默认打开显示第一页page_obj = Pagination(people_num,dq_Page)                               #引入分页模块传入人员数量和当前页data_list = people_list[page_obj.start():page_obj.end()]                #切片获取当前页应该显示人员列表return render(request,'get_people.html',locals())

分页前端页面代码

<link rel="stylesheet" href="../static/bootstrap/dist/css/bootstrap.css">
<script src="../static/js/jquery-3.3.1.min.js"></script>
<script src="../static/bootstrap/dist/js/bootstrap.min.js"></script>
<!--引用样式模块--><div class="w_page"><ul class="pagination pagination-sm">{{ page_obj.page_str|safe }}</ul><div class="page_tag">{{ dq_Page }}/{{ page_obj.num_pages }}</div>
</div>