detail.html

<nav?aria-label="...">
????<ul?class="pager">
????????{%?if?previous_article?%}
????????<li><a?href="/blog/detail/{{previous_article.article_id}}">上一篇：{{previous_article.title}}</a></li>
????????{%?endif?%}
????????{%?if?next_article?%}
????????<li><a?href="/blog/detail/{{next_article.article_id}}">下一篇：{{next_article.title}}</a></li>
????????{%?endif?%}
????</ul>
</nav>

views.py

def?get_detail_page(request,?article_id):
????curr_article?=?Article.objects.filter(article_id=article_id)[0]
????previous_article?=?Article.objects.filter(article_id__lt=article_id).last()
????next_article?=?Article.objects.filter(article_id__gt=article_id).first()
????section_list?=?curr_article.content.split('\n')
????return?render(request,?'blog/detail.html',?{
????????'curr_article':?curr_article,
????????'section_list':?section_list,
????????'previous_article':?previous_article,
????????'next_article':?next_article,
????})