Django框架 Pagination分页实现代码实例

 data = [] for i in range(1, 302): tmp = {"id": i, "name": "alex-{}".format(i)} data.append(tmp) print(data) def user_list(request): # user_list = data[0:10] # user_list = data[10:20] try: current_page = int(request.GET.get("page")) except Exception as e: current_page = 1 per_page = 10 # 数据总条数 total_count = len(data) # 总页码 total_page, more = divmod(total_count, per_page) if more: total_page += 1 # 页面最多显示多少个页码 max_show = 11 half_show = int((max_show-1)/2) if current_page = total_page: show_start = total_page - max_show show_end = total_page else: show_start = current_page - half_show show_end = current_page + half_show # 数据库中获取数据 data_start = (current_page - 1) * per_page data_end = current_page * per_page user_list = data[data_start:data_end] # 生成页面上显示的页码 page_html_list = [] # 加首页 first_li = '<li>首页</li>' page_html_list.append(first_li) # 加上一页 if current_page == 1: prev_li = '<li>上一页</li>' else: prev_li = '<li>上一页</li>'.format(current_page - 1) page_html_list.append(prev_li) for i in range(show_start, show_end+1): if i == current_page: li_tag = '<li class="active">{0}</li>'.format(i) else: li_tag = '<li>{0}</li>'.format(i) page_html_list.append(li_tag) # 加下一页 if current_page == total_page: next_li = '<li>下一页</li>' else: next_li = '<li>下一页</li>'.format(current_page+1) page_html_list.append(next_li) # 加尾页 page_end_li = '<li>尾页</li>'.format(total_page) page_html_list.append(page_end_li) page_html = "".join(page_html_list) return render(request, "user_list.html", {"user_list": user_list, "page_html": page_html})

 class Pagination(object): def __init__(self, current_page, total_count, base_url, per_page=10, max_show=11): """ :param current_page: 当前页 :param total_count: 数据库中数据总数 :param per_page: 每页显示多少条数据 :param max_show: 最多显示多少页 """ try: current_page = int(current_page) except Exception as e: current_page = 1 self.current_page = current_page self.total_count = total_count self.base_url = base_url self.per_page = per_page self.max_show = max_show # 总页码 total_page, more = divmod(total_count, per_page) if more: total_page += 1 half_show = int((max_show - 1) / 2) self.half_show = half_show self.total_page = total_page @property def start(self): return (self.current_page - 1) * self.per_page @property def end(self): return self.current_page * self.per_page def page_html(self): if self.current_page = self.total_page: show_start = self.total_page - self.max_show show_end = self.total_page else: show_start = self.current_page - self.half_show show_end = self.current_page + self.half_show # 生成页面上显示的页码 page_html_list = [] # 加首页 first_li = '<li>首页</li>'.format(self.base_url) page_html_list.append(first_li) # 加上一页 if self.current_page == 1: prev_li = '<li>上一页</li>' else: prev_li = '<li>上一页</li>'.format(self.base_url, self.current_page - 1) page_html_list.append(prev_li) for i in range(show_start, show_end + 1): if i == self.current_page: li_tag = '<li class="active">{1}</li>'.format(self.base_url,<i style="color:transparent">来源gaodai$ma#com搞$代*码网</i> i) else: li_tag = '<li>{1}</li>'.format(self.base_url, i) page_html_list.append(li_tag) # 加下一页 if self.current_page == self.total_page: next_li = '<li>下一页</li>' else: next_li = '<li>下一页</li>'.format(self.base_url, self.current_page + 1) page_html_list.append(next_li) # 加尾页 page_end_li = '<li>尾页</li>'.format(self.base_url, self.total_page) page_html_list.append(page_end_li) return "".join(page_html_list)

 def user_list(request): pager = Pagination(request.GET.get("page"), len(data), request.path_info) user_list = data[pager.start:pager.end] page_html = pager.page_html() return render(request, "user_list.html", {"user_list": user_list, "page_html": page_html})

 from django.shortcuts import render from django.core.paginator import Paginator, EmptyPage, PageNotAnInteger L = [] for i in range(999): L.append(i) def index(request): current_page = request.GET.get('p') paginator = Paginator(L, 10) # per_page: 每页显示条目数量 # count:  数据总个数 # num_pages:总页数 # page_range:总页数的索引范围，如: (1,10),(1,200) # page:   page对象 try: posts = paginator.page(current_page) # has_next       是否有下一页 # next_page_number   下一页页码 # has_previous     是否有上一页 # previous_page_number 上一页页码 # object_list      分页之后的数据列表 # number        当前页 # paginator       paginator对象 except PageNotAnInteger: posts = paginator.page(1) except EmptyPage: posts = paginator.page(paginator.num_pages) return render(request, 'index.html', {'posts': posts})　

   <title></title> <ul> {% for item in posts %} <li>{{ item }}</li> {% endfor %} </ul><div class="pagination"> <span class="step-links"> {% if posts.has_previous %} Previous {% endif %} <span class="current"> Page {{ posts.number }} of {{ posts.paginator.num_pages }}. </span> {% if posts.has_next %} Next {% endif %} </span></div>