Question

我想有一个自动完成下拉列表，但问题是当我将其用于“ raste”时，这是“ stocksname”表的外键，它不起作用，但是当将其用于“ user”时，即外键“用户”表，它可以正常工作。

我的“股票名称”模型有什么问题吗？

models.py：

class StocksName(models.Model): 
   checking= ((_('pending'),_('pending')),
           (_('reject'),_('reject')),
           (_('approved'),_('approved')),
           (_('expired'),_('expired')),                )
   name=models.CharField(max_length=128,verbose_name=_('stockname'),unique="True")
   confirm=models.CharField(choices=checking,max_length=12,verbose_name=_('confirmation'), default=_('pending'))
   def __str__(self):
       return str(self.name)
   class Meta:
       verbose_name=_('StocksName')
       verbose_name_plural=_('StocksNames')
       ordering = ('name',) #For sorting alphabetically




class Stocks(models.Model):
   user=models.ForeignKey(User, null=True,related_name='stockdetails')
   raste=models.ForeignKey(StocksName, null=True)
   stname=models.CharField(max_length=128,blank=True, null=True,verbose_name=_('stockname'))
   mark=models.CharField(max_length=128,blank=True, null=True,verbose_name=_('mark'))
   pic=models.ImageField(blank=True,null=True,verbose_name=_('pic'),upload_to = 'stocks', default = 'stocks/nopic.jpg')
   car=models.ForeignKey(Cars,blank=True,null=True,verbose_name=_('car'),on_delete=models.SET_NULL ,to_field='carname')
   description=models.CharField(blank=True,null=True,max_length=264,verbose_name=_('description'))
    price=models.PositiveIntegerField(blank=True,null=True,verbose_name=_('price'))
   date=models.DateTimeField(auto_now_add = True,verbose_name=_('date'))
   checking= ((_('pending'),_('pending')),
       (_('reject'),_('reject')),
       (_('approved'),_('approved')),
       (_('expired'),_('expired')),
            )
   confirm=models.CharField(choices=checking,max_length=12,verbose_name=_('confirmation'), default=_('pending'))
def __str__(self):
    return str(self.id)

    class Meta:
      verbose_name=_('Stock')
      verbose_name_plural=_('Stocks')
    def get_absolute_url(self):
      return reverse('BallbearingSite:mystocks' )

Forms.py ：（用于用户将小部件中的“ raste”替换为“ user”）

class StocksForm(forms.ModelForm):
   def __init__(self, *args, **kwargs):
      super(StocksForm, self).__init__(*args, **kwargs)
      for field_name, field in self.fields.items():
          field.widget.attrs['class'] = 'form-control'
          field.widget.attrs['style']= 'width:60%'
  class Meta():
      model=Stocks
      fields=('user','raste','stname','mark','description','pic','price')
      widgets = {
         'raste':  autocomplete.Select2(url='BallbearingSite:stock_autocomplete'),
    }

Views.py ：（适用于用户，可以正常工作）

class StocksAutocomplete(autocomplete.Select2QuerySetView):
  def get_queryset(self):
      if not self.request.user.is_authenticated():
        return User.objects.none()
      qs = User.objects.all()
      if self.q:          
        qs = qs.filter(username__istartswith=self.q)
      return qs
  def has_add_permission(self, request): 
      return True

Views.py ：（对于raste，这不起作用）

class StocksAutocomplete(autocomplete.Select2QuerySetView):
   def get_queryset(self):
      if not self.request.user.is_authenticated():
        return StocksName.objects.none()
      qs = StocksName.objects.all()
      if self.q:
        qs = qs.filter(name__istartswith=self.q)
      return qs
  def has_add_permission(self, request): 
      return True

urls.py：

url(r'^stock_autocomplete/$',views.StocksAutocomplete.as_view(create_field='name'),name='stock_autocomplete'),

Django-autocomplete-light中的模型

0 个答案: