擅长:python、mysql、java
<p>这可以通过传递参数<a href="https://docs.djangoproject.com/en/1.8/ref/forms/fields/#initial" rel="nofollow">^{<cd1>}</a>来实现。在</p>
<p>类似于以下内容的东西应该可以做到这一点</p>
<pre><code>if instance:
mytime_initial = time.strptime(instance.mytime, '%I:%M %p').lstrip('0')
else:
mytime_initial = None
self.fields['mytime'] = forms.ChoiceField(
required=True,
choices=options,
initial=mytime_initial,
widget=forms.Select(
attrs={'class': 'myclass',}
)
)
</code></pre>