擅长:python、mysql、java
<p>使用<a href="https://docs.djangoproject.com/en/1.11/ref/templates/builtins/#for" rel="nofollow noreferrer">forloop.counter</a>而不是计数器:</p>
<pre><code>{% for key, values in preprocessed %}
<select name="type" id=type{{forloop.counter}}>
{% for counter, value in values %}
<option value="{{ forloop.counter }}">{{ value }}</option>
{% endfor %}
</select>
{% endfor %}
</code></pre>