无法将字段添加到ModelForm处

我有一个ModelForm的问题。 显示字段“test1”，但“test2” - 不是。 玩base_fields没有帮助。

# models.py
class Country(models.Model):
    name = CharField(max_length=100)

# admin.py
class CountryAdminForm(ModelForm):
    test1 = forms.CharField('test1')

    def __init__(self, *args, **kwargs):
        super(CountryAdminForm, self).__init__(*args, **kwargs)
        self.fields['test2'] = forms.CharField('test2')

    class Meta:
        model = Country

class CountryAdmin(admin.ModelAdmin):
    form = CountryAdminForm

admin.site.register(Country, CountryAdmin)

谢谢。

---

解决了！

class CountryAdminForm(ModelForm):
    test1 = forms.CharField('test1')

    def __init__(self, *args, **kwargs):
        super(CountryAdminForm, self).__init__(*args, **kwargs)
        self.fields['test2'] = forms.CharField('test2')
        self.Meta.fields.append('test2')

    class Meta:
        model = Country
        fields = ['name', 'test1',]

...

---

我无法在Django 1.4中使用self.Meta.fields.append ，因为有问题的字段是一个元组。 例如，您必须与self.Meta.fields + =（'another_field'，）连接 。

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