我有一些模型,与GenericForeignKey
:
Class Main(models.Model)
filed_1 = models.CharField(max_length=20)
object_id = models.PositiveIntegerField()
content_type = models.ForeignKey(ContentType)
object = generic.GenericForeignKey('content_type', 'object_id')
Class Additional_1(models.Model):
f_1 = models.CharField(max_length=20)
f_2 = models.CharField(max_length=20)
Class Additional_2(models.Model):
d_1 = models.CharField(max_length=20)
d_2 = models.CharField(max_length=20)
和这个模型的形式:
Class MainForm(forms.ModelForm):
class Meta:
model = Main
fields = ('filed_1', 'object_id', 'content_type')
widgets = {
'object_id': forms.HiddenInput,
'content_type': forms.HiddenInput
}
Class Additional_1Form(forms.ModelForm):
class Meta:
model = Additional_1
fields = ('f1', 'f2')
Class Additional_2Form(forms.ModelForm):
class Meta:
model = Additional_2
fields = ('d1', 'd2')
如何使用一个提交按钮( +和+ )在一个 html 表单中制作由MainForm
+字段组成的表单,并提供正确的创建和编辑。有办法使用标准的 Django 组件,比如 inline formset for ?Additional_iForm
MainForm
Additional_1Form
Main
Additional_2Form
ForeignKey
PS我认为这个问题的答案应该包含在文档的这一部分中,但是信息太少无法回答。https://docs.djangoproject.com/en/dev/ref/contrib/contenttypes/#generic-relations-in-forms-and-admin
第 1 版
# This is always false, because of 'object_id' in main_form
if main_form.is_valid() and additional_1_form.is_valid():
additional = additional_1_form.save()
main_form.object_id = additional .id # I need something like this to set object_id
main_form.save()