django - Django 中 RadioSelect() 小部件的模板渲染问题

Question

我正在尝试使用 django 中提供的 RadioSelect() 小部件来呈现(默认)单选按钮，但是每当我使用它时，输出都是空白的。但是，如果我让 Django 表单加载默认渲染器，它会打印出一个带有选项的下拉框。我在这里粘贴了我为此编写的代码摘要。

# In models.py

AUDIO_SETTING_CHOICES = (
                      ('RESTART', 'Play audio from the beginning.'),
                      ('CONTINUE', 'Continue playing previous audio (if same).'),
    )

audio_setting = models.CharField(max_length=20, choices=AUDIO_SETTING_CHOICES, default='RESTART')

# In forms.py

class ChapterItemForm(forms.ModelForm):
    def __init__(self, user=None, *args, **kwargs):
        self.user = user
        super(ChapterItemForm, self).__init__(*args, **kwargs)

        self.fields['audio_setting'] = forms.ChoiceField(label="How to play the audio?",
                                                         widget=forms.RadioSelect())

# In template
<Form>
...
audio setting: {{ form.audio_setting }} <br /> 
...

那么关于我可能做错了什么的任何指示？

Answer 1

http://docs.djangoproject.com/en/dev/ref/forms/fields/#choicefield

您没有将任何选择传递给 ChoiceField

self.fields['audio_setting'] = forms.ChoiceField(
    choices=AUDIO_SETTING_CHOICES, label="How to play the audio?", 
    widget=forms.RadioSelect())