django 實現分頁功能

分頁效果：

視圖代碼：

# -*- coding: utf-8 -*-
from django.shortcuts import render,get_object_or_404
from django.core.paginator import Paginator,PageNotAnInteger,EmptyPage  

from .models import Article

# Create your views here.

def index(request):
    # latest_article_list = Article.objects.order_by('update')[:5]
    # context = {'latest_article_list':  latest_article_list}
    # return render(request, 'blog/index.html',context)
    article_list = Article.objects.all().order_by('cre_date') 
    paginator = Paginator(article_list,2) #show 2 articles per page

    page = request.GET.get('page')

    try:
        articles = paginator.page(page)
    except PageNotAnInteger:
        #頁碼不是整數，返回第一頁。
        articles = paginator.page(1)
    except EmptyPage:
        articles = paginator.page(paginator.num_pages)

    return render(request, 'blog/index.html', {'articles': articles})

paginator是分頁實例，page是鏈接傳遞到后端的頁碼參數，articles是每頁的實例。

在次例中，paginator是把所有文章（article_list)按照每頁兩個划分，划成3頁。page是前端請求的頁碼。articles是根據請求頁碼返回的具體的該頁碼內的文章（2篇文章）。

paginator和articles的屬性和方法詳見文檔：https://docs.djangoproject.com/en/1.8/topics/pagination/

 

前端代碼：

<!--分頁-->
<nav>
  <div class="pagination pagination-right">
    <ul >
    <li>
        {% if articles.has_previous %}
            <a href="?page={{ articles.previous_page_number }}" class="active">&laquo;</a>
        {% endif %}
        {% if not articles.has_previous %}
            <a href="" >&laquo;</a>
        {% endif %}
    </li>

    <li>
        {% for i in articles.paginator.page_range %}
            <li {% if articles.number == i %}class="active"{% endif %}>
                <a  href="?page={{ i }}">{{ i }}

                </a>
        </li>
        {% endfor %}
    </li>

    <li>
        {% if articles.has_next %}
            <a href="?page={{ articles.next_page_number }}" >&raquo;</a>
        {% endif %}
        {% if not articles.has_next %}
            <a href="" >&raquo;</a>
        {% endif %}
    </li>

    <li>
        共{{ articles.paginator.num_pages }}頁
    </li>
    </ul>
    </div>
</nav>
<!--ending 分頁-->