擅长:python、mysql、java
<p><em>您只需编写如下有效筛选器:</em></p>
<pre><code>from datetime import datetime
today = datetime.today()
year = today.year
month = today.month
day = today.day
meca = Meca.objects.filter(created_at__year=year,
created_at__month=month, created_at__day=day)
</code></pre>