擅长:python、mysql、java
<p>您编写的语法无效。从代码中删除以下两行</p>
<pre><code>site_id = self.kwargs['site_id']
site = get_object_or_404(SiteData, pk=site_id)
</code></pre>
<p>用方法<code>get_context_data</code>写</p>
<pre><code>def get_context_data(self, **kwargs):
context = super(AddSubnet, self).get_context_data(**kwargs)
site_id = self.kwargs['site_id']
site = get_object_or_404(SiteData, pk=site_id)
context['SiteID']=site_id
context['SiteName']=site.location
context['active_subnets']='class="active"'
return context
</code></pre>