如何解决多对多字段的Djano管理表单查询集
一个如何在 init 中添加request.user并保存方法 我想使用所有者= request.user。目前,我已在 init 中将其硬编码为owner = 2
class QuizAdminForm(forms.ModelForm):
class Meta:
model = Quiz
exclude = []
questions = forms.ModelMultipleChoiceField(
queryset=Question.objects.filter(owner=1).select_subclasses(),required=False,label=_("Questions"),widget=FilteredSelectMultiple(
verbose_name=_("Questions"),is_stacked=False))
def __init__(self,*args,**kwargs,):
super(QuizAdminForm,self).__init__( *args,**kwargs)
if self.instance.pk:
print('filter questions')
self.fields['questions'].initial =\
self.instance.question_set.filter(owner= 2).select_subclasses()
def save(self,commit=True):
quiz = super(QuizAdminForm,self).save(commit=False)
quiz.save()
quiz.question_set.set(self.cleaned_data['questions'])
self.save_m2m()
return quiz
class QuizAdmin(admin.ModelAdmin):
form = QuizAdminForm
list_display = ('title','category',)
list_filter = ('category',)
search_fields = ('description',)
我还想添加owner = request.user,我可以使用以下方法进行添加。但是在那种情况下,question_set.set无法正常工作,在“ save”方法中可以正常工作。
def save_model(self,request,obj,form,change):
if not obj.pk:
# Only set added_by during the first save.
obj.owner = request.user
super().save_model(request,change)
quiz = Quiz.objects.get(id=obj.id)
quiz.save()
quiz.question_set.set(self.cleaned_data['questions'])
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