""" 分页组件: 使用方法: 视图函数: from utils.pager import Pagination def host(request): all_count = models.Host.objects.all().count() # page_obj = Pagination(request.GET.get('page'),all_count,'/host/') page_obj = Pagination(request.GET.get('page'),all_count,request.path_info) host_list = models.Host.objects.all()[page_obj.start:page_obj.end] return render(request,'host.html',{'host_list':host_list,'page_html': page_obj.page_html()}) HTML: <style> .pager a{ display: inline-block; padding: 3px 5px; margin: 0 3px; border: 1px solid #dddddd; } .pager a.active{ background-color: cadetblue; color: white; } </style> <div class="pager"> {{ page_html}} </div> """ from django.utils.safestring import mark_safe class Pagination(object): def __init__(self,current_page,total_count,base_url, per_page_count=10,max_pager_num=11): """ :param current_page: 用户请求的当前页 :param per_page_count: 每页显示的数据条数 :param total_count: 数据库中查询到的数据总条数 :param max_pager_num: 页面上最多显示的页码 """ self.base_url = base_url total_page_count, div = divmod(total_count, per_page_count) if div: total_page_count += 1 self.total_page_count = total_page_count try: current_page = int(current_page) except Exception as e: current_page = 1 if current_page > total_page_count: current_page = total_page_count self.current_page = current_page self.per_page_count = per_page_count self.total_count = total_count self.max_pager_num = max_pager_num self.half_max_pager_num = int(max_pager_num/2) @property def start(self): return (self.current_page - 1) * self.per_page_count @property def end(self): return self.current_page * self.per_page_count def page_html(self): page_html_list = [] if self.current_page <= 1: prev = "<a href='#'>上一页</a>" else: prev = "<a href='%s?page=%s'>上一页</a>" % (self.base_url,self.current_page - 1,) page_html_list.append(prev) max_pager_num = 11 half_max_pager_num = int(max_pager_num / 2) # 数据总页数 < 页面上最大显示的页码个数 if self.total_page_count <= max_pager_num: page_start = 1 page_end = self.total_page_count else: # 数据比较多,已经超过11个页码 # 如果当前页 <=5,显示 1-11 if self.current_page <= half_max_pager_num: page_start = 1 page_end = max_pager_num else: # 当前页 >=6 if (self.current_page + 5) > self.total_page_count: page_end = self.total_page_count # page_start = current_page - 5 page_start = self.total_page_count - max_pager_num + 1 else: page_start = self.current_page - half_max_pager_num # 当前页 - 5 page_end = self.current_page + half_max_pager_num # 当前页 + 5 for i in range(page_start, page_end + 1): if self.current_page == i: tag = "<a class='active' href='%s?page=%s'>%s</a>" % (self.base_url,i, i,) else: tag = "<a href='%s?page=%s'>%s</a>" % (self.base_url,i, i,) page_html_list.append(tag) # 下一页 if self.current_page >= self.total_page_count: nex = "<a href='#'>下一页</a>" else: nex = "<a href='%s?page=%s'>下一页</a>" % (self.base_url,self.current_page + 1,) page_html_list.append(nex) return mark_safe("".join(page_html_list))