django搭建个人博客10，文章详细3-评论

完善article_detail_base.html

增加评论展示以及上下篇导航栏

def get_context_data(self,**kwargs):
context=super(ArticleDetailView,self).get_context_data(**kwargs)
artId=self.kwargs.get('article')
artDate=tb_articles.objects.get(articleID=artId).created      context['comments']=tb_comments.objects.filter(articleID=artId).order_by(F('lefted').desc())
try:
art=tb_articles.objects.raw('''
select articleID,title from www_tb_articles
where created < %s
order by created desc limit 1''',[artDate])[0]
context['nextID']=art.articleID
context['nextID']=''.join(str(context['nextID']).split('-'))
context['nextTitle']=art.title
except:
context['nextID']="#"
context['nextTitle']="没有啦"
try:
art=tb_articles.objects.raw('''
select articleID,title from www_tb_articles
where created >%s
order by created asc limit 1''',[artDate])[0]
context['prevID']=art.articleID
context['prevID']=''.join(str(context['prevID']).split('-'))
context['prevTitle']=art.title
except:
context['prevID']="#"
context['prevTitle']="没有啦"
return context

<div id="theComments">
{% for o in comments %}
<div class="aComment">
<p>{{o.content}}</p>
<p class="ip">{{o.IP}}</p>
<p class="datetime">{{o.lefted}}</p>
</div>
{% endfor %}
</div>

<div class="sidebar">
<h1>Useful Links</h1>
<ul>
{% if prevID != "#" %}
<li><a href="{% url 'www:articleDetail' 0 prevID %}">上一篇: {{ prevTitle }}</a></li>
{% else %}
<li><a href="#">上一篇: {{ prevTitle }}</a></li>
{% endif %}
{% if nextID != "#" %}
<li><a href="{% url 'www:articleDetail' 0 nextID %}">下一篇: {{ nextTitle }}</a></li>
{% else %}
<li><a href="#">下一篇: {{ nextTitle }}</a></li>
{% endif %}
</ul>
</div>