擅长:python、mysql、java
<p>必须传递<code>room</code>参数才能创建<code>RecordDinningRoom</code>记录</p>
<pre><code>class RecordDinningRoom(models.Model):
room = models.ForeignKey(DinningRoom) # !!!!
</code></pre>
<p>此处:</p>
<pre><code>record = RecordDinningRoom(room=dinningroom, on_off=dinningroom.on_off, temp=dinningroom.temp)
record.save()
</code></pre>