Python 在inlineformset_工厂中，无法更改主模型（django 2.0）的小部件

我有两种型号

class WorkOrder(models.Model):
    work_order_id = models.AutoField(db_column='Work_order_id', 
        primary_key=True)
    work_order_number = models.CharField(db_column='Work_order_number', 
        max_length=50, blank=True, null=True)  
    work_order_date = models.DateField(db_column='Work_order_date', 
        blank=True, null=True)  
    customer = models.ForeignKey(Customer, db_column='Customer_id', 
        blank=True, null=True,on_delete=models.CASCADE)  
    description = models.CharField(db_column='Description', max_length=50, 
        blank=True, null=True)  
    completed_date = models.DateField(db_column='Completed_date', 
       blank=True, null=True)  
    completed = Bit1BooleanField(db_column='Completed', 
       editable=False,default=0)  

    class Meta:
        managed = False
        db_table = 'work_order'

class WorkOrderItem(models.Model):
    work_order_item_id = models.AutoField(db_column='Work_order_item_id', 
             primary_key=True)  # Field name made lowercase.
    work_order = models.ForeignKey(WorkOrder, models.DO_NOTHING, 
             db_column='Work_order_id')  # Field name made lowercase.
    part = models.ForeignKey(Part,db_column='Part_id', blank=True, 
         null=True,on_delete=models.CASCADE)  # Field name made lowercase.
    quantity = models.IntegerField(db_column='Quantity', blank=True, 
         null=True)  # Field name made lowercase.

    class Meta:
        managed = False
        db_table = 'work_order_item'

我正在forms.py中使用表单集

WorkOrderFormSet = inlineformset_factory(WorkOrder, WorkOrderItem,
                                     # fields='__all__'
                                     # widgets={'work_order_date' : 
DateInput(attrs={'type': 'datetime'}),},
                                     form=WorkOrderForm,
                                     extra=3, can_delete=False)

我想在Workorder表中为work\u order\u date添加一个小部件。当我将其添加到WorkOrderFormset中时，它会显示一个错误，即WorkOrderItem没有该特定字段。因此，我尝试添加form=WorkOrderForm并在其中添加小部件，如下所示：-

class WorkOrderForm(forms.ModelForm):
    class Meta:
        model = WorkOrder
        fields = '__all__'  
        widgets={'work_order_date': DateInput(attrs={'type': 'datetime'}),}

但当它显示在网页中时，没有任何变化

意见是：-

class CreateWorkOrderItem(CreateView):
    model=WorkOrder
    fields=['work_order_number','work_order_date','customer','description']
    success_url=reverse_lazy('WorkOrder:WorkOrderPending_list')

    def get_context_data(self, **kwargs):
        print("from get_context_data")
        data = super(CreateWorkOrderItem, self).get_context_data(**kwargs)
        if self.request.POST:
            data['workorder'] = WorkOrderFormSet(self.request.POST)
        else:
        data['workorder'] = WorkOrderFormSet()
        return data

    def form_valid(self, form):
        context = self.get_context_data()
        workorders = context['workorder']
        with transaction.atomic():
            self.object = form.save()

在模板中，我有：-

{% bootstrap_form form %}
  {{ workorders.management_form }}
  {% for form in workorder.forms %}
    {% bootstrap_form form %}
  {% endfor %}

Ps:-两个模型都显示在网页中。在django的文档中，他们只是提到可以像modelformset_工厂一样更改小部件。但在它里面，所有的模型都是一样的，所以这个错误并不存在。 使用python 3.6.4 Django 2.0.2

如果您需要更多信息，请询问。谢谢大家!

您需要在视图中设置form_类，而不是字段。指定用于WorkOrderForm的小部件就足够了

class CreateWorkOrderItem(CreateView):
    model=WorkOrder
    #fields=['work_order_number','work_order_date','customer','description']
    form_class=WorkOrderForm

编辑：

由于inlineformset_工厂为子模型创建多个表单，因此不要将父表单的modelFOrm传递给它。下面就足够了

WorkOrderFormSet = inlineformset_factory(WorkOrder, WorkOrderItem,
                                     extra=3, can_delete=False)

如果您需要为子模型创建自定义表单，那么您可以在上面创建并指定。

将小部件添加到WorkOrderForm中应该是可行的。检查页面的html源代码或使用firebug检查输入的类型。