表單錯誤int（）參數必須是字符串或數字，而不是'QueryDict'

Question

有人可以幫我解決下面的錯誤並解釋這個問題嗎？所有我想要做填充查詢集一組，但在提交我碰到下面的錯誤形式...

* 類型錯誤在/ SMS/addbatch int（）函數的參數必須是字符串或數字，而不是 '的QueryDict' *

views.py

def add_batch(request): 
    # If we had a POST then get the request post values. 
    if request.method == 'POST': 
     form = BatchForm(request.POST) 
     # Check we have valid data before saving trying to save. 
     if form.is_valid(): 
      # Clean all data and add to var data. 
      data = form.cleaned_data 
      groups = data['group'].split(",") 
      for item in groups: 
       batch = Batch(content=data['message'], 
           group=Group.objects.get(pk=item), 
           user=request.user 
          ) 

form.py

class BatchForm(forms.ModelForm): 


    class Meta: 
     model = Batch 


    def __init__(self, user=None, *args, **kwargs): 
     super(BatchForm, self).__init__(*args,**kwargs) 
     if user is not None: 
      form_choices = Batch.objects.for_user_pending(user) 
     else: 
      form_choices = Batch.objects.all() 

     self.fields['group'] = forms.ModelMultipleChoiceField(
      queryset=form_choices 
     ) 

models.py

class BatchManager(models.Manager): 
    def for_user_pending(self, user): 
     return self.get_query_set().filter(user=user, status="Pending") 

Answer 1

你傳入request.POST作爲user參數的形式。這樣做：

form = BatchForm(data=request.POST) 

 

# first parameter ---v 
def __init__(self, user=None, ... 

# first parameter ---v 
form = BatchForm(request.POST)