Question

我尝试使用inlineformset，并且在此实例中，某些字段对于此特定用户将是相同的。我想初始化/默认这些字段，但无法弄清楚如何操作。

模型基本上，我的模型看起来像......

class Organisation(models.Model):
    name = models.CharField(
        verbose_name = 'Organisation Name',
        max_length = 30
    )
    slug = models.SlugField (
        verbose_name = "Slug",
        allow_unicode = True,
        unique=True,
        blank=True,
        null=True
    )
    user = models.ForeignKey(
        User
    )

class Factor (models.Model):
    name = models.CharField(
        verbose_name = 'Factor',
        max_length = 30
    )


class SupportingDocument(models.Model):
    f = models.FileField(
        upload_to ='supporting_document/'
    )
    factor = models.ForeignKey(
        Factor,
        blank = True,
        null = True
        )
    organisation = models.ForeignKey(Organisation)

FORMS

class OrganisationFactorForm(forms.ModelForm):
    class Meta:
        model = Organisation
        fields = ['user']
        widgets = {
            'user' : forms.HiddenInput(),
        }

class SupportingDocumentInline(forms.ModelForm):
    class Meta:
        model = SupportingDocument
        exclude = ['id', ]
        widgets = {
            'factor' : forms.HiddenInput(),
            'organisation' : forms.HiddenInput(),
            'f' : forms.FileInput(attrs={'class' : 'form-control'})
        }

SupportingDocumentInlineFormSet = forms.inlineformset_factory(
    Organisation,
    SupportingDocument,
    form=SupportingDocumentInline,
    extra=1,
    exclude = ['id'],
    can_delete=True,
    can_order=True)

VIEWS 我想默认因子记录，这样当我显示表单时，我可以做类似的事情

    if self.request.POST:
        form_count = int(self.request.POST['supportingdocument_set-TOTAL_FORMS'])
        ctx['supporting_documents'] = SupportingDocumentInlineFormSet(self.request.POST, self.request.FILES, instance=self.get_object())

        for x in range(form_count):
            mutable = self.request.POST._mutable
            self.request.POST._mutable = True
            self.request.POST['supportingdocument_set-' + str(x) +'-factor'] = self.get_factor().id
            self.request.POST._mutable = mutable

    else : ctx['supporting_documents'] = SupportingDocumentInlineFormSet(instance=self.get_object(), queryset=SupportingDocument.objects.filter(factor=self.get_factor(), organisation=self.get_object()))

您注意到我目前正在使用self.request.POST._mutable = True覆盖视图中的POST数据，这在我第一次加载组织/因子组合的文件时起作用，之后错误

在...的MultiValueDictKeyError ＆＃34; U＆＃39; supportingdocument_set-0-ID＆＃39;＆＃34;

我真的可以在这里使用一些帮助。感谢

Answer 1

排序！我找到了答案here。基本上，我在重新加载页面时没有在模板中声明表单id。

Django初始化forms.inlineformset_factory中的数据

1 个答案: