擅长:python、mysql、java
<p><code>Queryset.reverse()</code><a href="https://docs.djangoproject.com/en/2.2/ref/models/querysets/#reverse" rel="nofollow noreferrer">https://docs.djangoproject.com/en/2.2/ref/models/querysets/#reverse</a></p>
<p><code>querySet.reverse()[:20]</code>应该这样做。你知道吗</p>