擅长:python、mysql、java
<p>您是否已签出<code>select_related()</code>?这可能会有帮助。在</p>
<blockquote>
<p>Returns a QuerySet that will automatically "follow" foreign-key relationships, selecting that additional related-object data when it executes its query. This is a performance booster which results in (sometimes much) larger queries but means later use of foreign-key relationships won't require database queries.</p>
</blockquote>
<p><a href="https://docs.djangoproject.com/en/dev/ref/models/querysets/#select-related" rel="nofollow">https://docs.djangoproject.com/en/dev/ref/models/querysets/#select-related</a></p>