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我只想筛选表单中与当前记录的用户有关的选择字段。每个用户都有自己的类别和预算 - 我只想显示与当前登录用户相关的模型。我已经尝试过在is_valid字段之前进行过滤,但没有结果。请找我下面的代码:Django:如何使用ModelFormSet通过request.user筛选ForeignKey选项
views.py
@login_required
def day_data_multiadd(request, no_of_lines=0):
no_of_lines = int(no_of_lines)
CostFormSet = modelformset_factory(Cost, form=DataAddForm, extra=no_of_lines)
if request.method == 'POST' and 'form' in request.POST:
formset = CostFormSet(request.POST, request.FILES)
if formset.is_valid():
for form in formset.forms:
f = form.save(commit=False)
f.user = request.user
f.save()
else:
formset = CostFormSet(queryset=Cost.objects.none())
if request.method == 'POST' and 'no_line' in request.POST:
generate_form = MultiaddGenerateForm(request.POST)
if generate_form.is_valid():
cd = generate_form.cleaned_data
return HttpResponseRedirect(reverse('core_sm:day_data_multiadd', args=(cd['formy'],)))
else:
generate_form = MultiaddGenerateForm()
return render(request, 'core_sm/costs/multi_add.html', {'formset': formset,
'no_of_lines': no_of_lines,
'generate_form': generate_form})
forms.py
class DataAddForm(forms.ModelForm):
class Meta:
model = Cost
fields = ['title', 'value', 'publish', 'category', 'budget']
exclude = ['user']
labels = {
'title': _('Tytuł'),
'value': _('Wartość'),
'publish': _('Data'),
'category': _('Kategoria'),
'budget': _('Budżet')
}
models.py
class Category(models.Model):
user = models.ForeignKey(settings.AUTH_USER_MODEL)
title = models.CharField(max_length=200)
publish = models.DateField(auto_now_add=True)
updated = models.DateField(auto_now=True)
class Meta:
ordering = ('-publish',)
def __str__(self):
return self.title
def get_absolute_ur(self):
return reverse('core_sm:category_detail', args=[self.id])
class Budget(models.Model):
user = models.ForeignKey(settings.AUTH_USER_MODEL)
title = models.CharField(max_length=200, db_index=True)
value = models.DecimalField(decimal_places=2, max_digits=10)
publish = models.DateField(auto_now_add=True)
updated = models.DateField(auto_now=True)
class Meta:
ordering = ('-publish',)
def __str__(self):
return self.title
def get_absolute_url(self):
return reverse('core_sm:budget_detail', args=[self.id])
class Cost(models.Model):
user = models.ForeignKey(settings.AUTH_USER_MODEL)
budget = models.ForeignKey(Budget, related_name='cost')
category = models.ForeignKey(Category, related_name='cost')
title = models.CharField(max_length=200, db_index=True)
publish = models.DateField(default=timezone.now)
created = models.DateField(auto_now_add=True)
updated = models.DateField(auto_now=True)
value = models.DecimalField(max_digits=10, decimal_places=2)
class Meta:
ordering = ('-publish',)
def get_absolute_url(self):
return reverse('core_sm:stats_detail', args=[self.publish.year,
self.publish.strftime('%y'),
self.publish.strftime('%m'),
self.publish.strftime('%d')])
def __str__(self):
return self.title
谢谢你的答案,但我收到一个错误: _init __()得到了一个意想不到的关键字参数 '用户' –
尝试:'高清__init __(自我,用户,*参数,** kwargs):' – alfredo138923
不,它不起作用 –