def is_valid(self):"""Returns Trueifthe form has no errors. Otherwise, False. If errors are being ignored, returns False. 如果表单没有错误,则返回true。否则为假。如果错误是被忽略,返回false。"""returnself.is_bound and not self.errors #is_bound默认有值 #只要self.errors中有一个值,not Tru...
Returns True if the form has no errors. Otherwise, False. If errors are being ignored, returns False. 如果表单没有错误,则返回true。否则为假。如果错误是被忽略,返回false。 """ return self.is_bound and notself.errors #is_bound默认有值 #只要self.errors中有一个值,not True = false,返回的就...
if form_obj.is_valid(): #如果检验全部通过 print(form_obj.clean_data) #这里全部都没问题 return HttpResponse("你好,欢迎回来!") else: #print(form_obj.clean_data) #print(form_obj.errors) return render(request, "login.html", {"form_obj": form_obj,) form_obj = LoginForm() return rend...
示例代码如下:from django.db import modelsfrom django.core import validatorsclass Article(models.Model):...示例代码如下:form = MyForm(request.POST)if form.is_valid(): form.save() return HttpResponse('succes')...另外,我们在调用save方法的时候,如果传入一个commit=False,那么只会生成这个模型的对象...
if form_obj.is_valid(): username = form_obj.cleaned_data.get("username") pwd = form_obj.cleaned_data.get("pwd") if username == "SKS" and pwd == "1866768": return HttpResponse("OK") else: error_msg = "用户名或密码错误"
is_valid() False >>> f.errors {} 初始表单值¶ Form.initial¶ 使用initial 在运行时声明表单字段的初始值。例如,你可能想用当前会话的用户名来填写 username 字段。 要实现这一目标,请使用 initial 参数到 Form。如果给定这个参数,它应该是一个将字段名映射到初始值的字典。只包含你要指定初始值的字段...
form_obj = views.MyForm({'username':'jason','password':'123'}) form_obj.is_valid() False """ 也就意味着校验数据的时候 默认情况下数据可以多传但是绝不可能少传 """ 3,form组件渲染标签 views.py def my_form(request): #1.直接生成一个不传参数的form对象 ...
is_valid() False >>> formset.non_form_errors() ['Please submit at most 1000 forms.'] When absolute_max is None, it defaults to max_num + 1000. (If max_num is None, it defaults to 2000). If absolute_max is less than max_num, a ValueError will be raised....
If Formset.non_form_errors() is called before Formset.is_valid(), it will return an empty ErrorList. Let's pretend we have two formsets in one view and we make this test: if formset1.is_valid() and formset2.is_valid(). If formset1 is not valid, formset2's is_valid() wil...
With a formset with no initial forms and empty extra forms, formset.is_valid() returns True, but formset.cleaned_data raises an AttributeError. This can be found with the examples from the formsets docs: >>> from django import forms >>> class ArticleForm(forms.Form): ... title...