擅长:python、mysql、java
<p>假设您的类别模型有一个名称字段。
实际上,您可以使用<a href="https://docs.djangoproject.com/en/3.0/ref/models/relations/#related-objects-reference" rel="nofollow noreferrer">related object reference</a>遍历类别并获取所有相关文章</p>
<pre><code>order_article_list = OrderArticle.objects.filter(order__order_number=id ,order__restaurant=restid)
data = {}
for order_article in order_article_list:
data[order_article.article.category.name] = order_article.article.category.articles_set.all()
</code></pre>