Django-UpdateView表单不保存
单击Django-UpdateView表单不保存,django,django-models,django-forms,django-views,Django,Django Models,Django Forms,Django Views,单击Submit按钮时,我在CBV中使用表单的代码(UpdateView)不会保存到数据库。我不知道怎么了 视图.py class BHA_UpdateView(UpdateView): template_name = 'bha_test.html' context_object_name = 'bha' model = BHA_List success_url = reverse_lazy('well_list') pk_url_kwarg = 'pk_
Submit
按钮时,我在CBV
中使用表单的代码(UpdateView
)不会保存到数据库。我不知道怎么了
视图.py
class BHA_UpdateView(UpdateView):
template_name = 'bha_test.html'
context_object_name = 'bha'
model = BHA_List
success_url = reverse_lazy('well_list')
pk_url_kwarg = 'pk_alt'
form_class = BHA_overall_Form
def get_context_data(self, **kwargs):
context = super().get_context_data(**kwargs)
api = get_well_api(self.request)
context['single_well_bha_list'] = BHA_List.objects.filter(well=api)
return context
def form_valid(self, form):
self.object = form.save()
return super().form_valid(form)
class WellInfo(models.Model):
api = models.CharField(max_length=100, primary_key=True)
well_name = models.CharField(max_length=100)
status = models.CharField(max_length=100)
class BHA_List(models.Model):
well = models.ForeignKey(WellInfo, 'CASCADE', related_name='bha_list')
bha_number = models.CharField(max_length=100)
class BHA_overall(models.Model):
bha_number = models.ForeignKey(BHA_List, 'CASCADE', related_name='bha_overall')
drill_str_name = models.CharField(max_length=111)
depth_in = models.CharField(max_length=111)
from django import forms
from contextual.models import BHA_overall
class BHA_overall_Form(forms.ModelForm):
class Meta():
model = BHA_overall
fields = '__all__'
型号.py
class BHA_UpdateView(UpdateView):
template_name = 'bha_test.html'
context_object_name = 'bha'
model = BHA_List
success_url = reverse_lazy('well_list')
pk_url_kwarg = 'pk_alt'
form_class = BHA_overall_Form
def get_context_data(self, **kwargs):
context = super().get_context_data(**kwargs)
api = get_well_api(self.request)
context['single_well_bha_list'] = BHA_List.objects.filter(well=api)
return context
def form_valid(self, form):
self.object = form.save()
return super().form_valid(form)
class WellInfo(models.Model):
api = models.CharField(max_length=100, primary_key=True)
well_name = models.CharField(max_length=100)
status = models.CharField(max_length=100)
class BHA_List(models.Model):
well = models.ForeignKey(WellInfo, 'CASCADE', related_name='bha_list')
bha_number = models.CharField(max_length=100)
class BHA_overall(models.Model):
bha_number = models.ForeignKey(BHA_List, 'CASCADE', related_name='bha_overall')
drill_str_name = models.CharField(max_length=111)
depth_in = models.CharField(max_length=111)
from django import forms
from contextual.models import BHA_overall
class BHA_overall_Form(forms.ModelForm):
class Meta():
model = BHA_overall
fields = '__all__'
bha_test.html
<form method="POST">
{% csrf_token %}
{{ form.as_p }}
<input type="submit" class='btn btn-primary' value="Submit">
</form>
因此有一个
model=BHA_List
,还有另一个表单通过外键与模型相关。表单字段将显示给用户,单击submit按钮后,它应该将用户输入保存到DB,但不会。怎么了?您的ModelForm模型与UpdateView模型不匹配
您正在使用以下内容声明您的模型表单:
model = BHA_Overall
您的UpdateView有:
model = BHA_List
请记住,UpdateViews使用model=执行queryset,以便将模型实例分配给ModelForm,因为它们是不同的模型,所以很可能不匹配
此外,如果您没有执行额外的验证或修改ModelForm.instance,则不需要覆盖UpdateView中的form\u valid方法