要在adminadd
页面中添加一个额外字段,可以使用以下代码:
你知道吗型号.py地址:
class Parent(models.Model):
pass
class Child(models.Model):
parent = models.ForeignKey(Parent, on_delete=models.PROTECT)
你知道吗表单.py地址:
class ChildForm(forms.ModelForm):
extra_field = forms.CharField()
class Meta:
model = Child
fields = '__all__'
你知道吗管理员.py地址:
@admin.register(models.Child)
class ChildAdmin(admin.ModelAdmin):
form = forms.ChildForm
当Child
是Parent
add
页中Parent
的内联时,如何添加相同的额外字段?你知道吗
以下管理员.py地址:
class ChildInline(admin.TabularInline):
model = models.Child
form = forms.ChildForm
@admin.register(models.Parent)
class ParentAdmin(admin.ModelAdmin):
inlines = (ChildInline,)
结果:
Traceback (most recent call last):
File "django/db/models/options.py", line 617, in get_field
return self.fields_map[field_name]
KeyError: 'extra_field'
...
django.core.exceptions.FieldDoesNotExist: Child has no field named 'extra_field'
...
AttributeError: Unable to lookup 'extra_field' on Child or ChildInline
根据this answer,添加标签将使内联线按预期工作:
相关票:https://code.djangoproject.com/ticket/30520#ticket
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