django-models - 指导我在ModelView Django中实现链接的下拉列表(guide me to implement chained dropdown list in ModelView Django)

Question

Here is Model.py code

(这是Model.py代码)

class stock_inward(forms.ModelForm):
   asset_type = forms.ModelChoiceField(queryset=models.asset_master.objects.order_by().values_list('asset_type',flat=True).distinct(),empty_label="----SELECT----")

   category = forms.ModelChoiceField(queryset=models.asset_master.objects.order_by().filter(asset_type='IT').values_list('category',flat=True).distinct(),empty_label='----SELECT----')

   price = forms.FloatField()
   subcategory = forms.ModelChoiceField(queryset=models.asset_master.objects.order_by().values_list('subcategory', flat=True).distinct(),
      empty_label='----SELECT----')

   class Meta:
      model = stock_in
      fields = ('asset_type','category','subcategory','manufacturer','model_name','serial_no','warranty_date','vendor_name','price')

Output should be like this.....

(输出应该是这样的.....)

  ask by krishna translate from so

Answer 1

等待大神答复