python第二十四天学习记录

2019-11-08 03:28:01

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django ModelForm

django表单系统中，所有的表单类都作为django.forms.Form的子类创建，包括ModelForm 关于django的表单系统，主要分两种 * 基于django.forms.Form * 基于django.forms.ModelForm

#ModelForm 的创建class UserInfoModelForm(forms.ModelForm): is_rmb = Ffields.CharField(widget=Fwidgets.CheckboxInput()) class Meta: model = models.UserInfo fields = '__all__' # fields = ['username','email'] # exclude = ['username'] labels = { 'username': '用户名', 'email': '邮箱', } help_texts = { 'username': '...' } widgets = { 'username': Fwidgets.Textarea(attrs={'class': 'c1'}) } error_messages = { '__all__':{ }, 'email': { 'required': '邮箱不能为空', 'invalid': '邮箱格式错误..', } } field_classes = { # 'email': Ffields.URLField } # localized_fields=('ctime',) def clean_username(self): old = self.cleaned_data['username'] return olddef index(request): if request.method == "GET": obj = UserInfoModelForm() return render(request,'index.html',{'obj': obj}) elif request.method == "POST": obj = UserInfoModelForm(request.POST) if obj.is_valid(): # obj.save() instance = obj.save(False) instance.save() obj.save_m2m() # PRint(obj.is_valid()) # print(obj.cleaned_data) # print(obj.errors.as_json()) return render(request,'index.html',{'obj': obj})

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