擅长:python、mysql、java
<p>使用<code>ifchanged</code>标记(<a href="https://docs.djangoproject.com/en/3.1/ref/templates/builtins/#ifchanged" rel="nofollow noreferrer">https://docs.djangoproject.com/en/3.1/ref/templates/builtins/#ifchanged</a>),可以执行以下操作:</p>
<pre><code>{% for product in products %}
<tr>
<td style="font-weight:bold">{{ product.name }}</td>
</tr>
{% for attribute in product.attributes.all %}
<tr>
<td>{{ attribute.property }}</td>
</tr>
{% endfor %}
{% endfor %}
</code></pre>