擅长:python、mysql、java
<p>似乎您正在尝试使用仅在Django 1.11中可用的<a href="https://docs.djangoproject.com/en/1.11/ref/forms/renderers/" rel="nofollow noreferrer">template-based widget form rendering API</a>,而您应该升级到Django 1.11或使用旧方法,即<a href="https://docs.djangoproject.com/en/1.8/ref/forms/widgets/#django.forms.Widget.render" rel="nofollow noreferrer">overriding the render() method</a></p>