擅长:python、mysql、java
<p>你的观点应该是这样的:</p>
<pre><code>def airlinedata(request, pk):
airline = Airline.objects.filter(pk=pk).first()
fiancial_data = airline.fiancial_data_set.all()
all_ids = [fin.id for fin in fiancial_data] # Or any other info you need
return HttpResponse(str(all_ids))
</code></pre>
<p>变化包括:</p>
<ul>
<li><code>pk</code>参数与<a href="https://docs.djangoproject.com/en/1.11/topics/http/urls/#specifying-defaults-for-view-arguments" rel="nofollow noreferrer">^{<cd2>}</a>的正则表达式中的参数相同</li>
<li>对查询集调用<a href="https://docs.djangoproject.com/en/1.11/ref/models/querysets/#first" rel="nofollow noreferrer">^{<cd3>}</a></li>
<li>返回<a href="https://docs.djangoproject.com/en/1.11/ref/request-response/#passing-strings" rel="nofollow noreferrer">^{<cd4>}</a>而不是平面字符串</li>
</ul>