擅长:python、mysql、java
<p>您可以使用自动创建的管理器<code>a.b_set</code>执行以下操作:</p>
<pre><code>>>> for a in A.objects.all():
>>> for b in a.b_set.all():
>>> print b.field1
</code></pre>
<p>或在模板中:</p>
<pre><code>{% for a in alla %}
{% for b in a.b_set.all %}
{{ b.field1 }}
{% endfor %}
{% endfor %}
</code></pre>
<p>还可以看看<a href="https://docs.djangoproject.com/en/1.6/topics/db/queries/#following-relationships-backward" rel="nofollow">the official documentation</a>。你知道吗</p>