Question

我正在研究一个Django项目，似乎我不能在我的程序中的任何地方使用cleaned_data模块。每次我使用它时，它都会引发一个关键错误（说密钥不存在），当我使用cleaned_data.get时它就不会传递任何东西。我只能使用＆＃34; form.data＆＃34; （正如你在我的代码中看到的那样）并且一切正常。我只是想知道为什么我不能使用cleaning_data？这是我的form.py：

class RegisterationForm(forms.Form):

    first_name = forms.CharField
    last_name = forms.CharField
    username = forms.CharField
    email = forms.EmailField
    password = forms.CharField
    password2 = forms.CharField


    def clean(self):
        password = self.cleaned_data.get('password')
        password2 = self.cleaned_data.get('password2')

        if password and password != password2:
            raise forms.ValidationError("passwords do not match")

        return self.cleaned_data

这是我的view.py：

def注册（请求）：

if request.method == 'POST':
    form = RegisterationForm(request.POST)

    if form.is_valid():

        user_info={}
        user_info['username'] = form.data['username']
        user_info['first_name'] = form.data['first_name']
        user_info['last_name'] = form.data['last_name']
        user_info['password'] = form.data['password']
        user_info['email']= form.data['email']

        #salt = hashlib.sha1(str(random.random())).hexdigest()[:5]
        #usernamesalt = user_info['username']
        #if isinstance(usernamesalt, unicode):
        #    usernamesalt = usernamesalt.encode('utf8')
        user_info['activation_key'] = 1#hashlib.sha1(salt+usernamesalt).hexdigest()

        form.sendEmail(user_info)
        form.save(user_info)
        return render_to_response('register_success.html',user_info)

    else:
        form_save = form

args = {}
args.update(csrf(request))
args['form'] = RegisterationForm()
return render_to_response('register.html',args)

Answer 1

因为您没有调用父类clean方法来获取数据：

def clean(self):
    cleaned_data = super(RegisterationForm, self).clean()
    password = cleaned_data.get('password')
    password2 = cleaned_data.get('password2')

    if password and password != password2:
        raise forms.ValidationError("passwords do not match")

查看关于clean method的django doc。

Answer 2

如果这确实是您的实际代码，那么您的表单没有任何字段，因为您没有调用任何字段定义。它应该是：

class RegisterationForm(forms.Form):
    first_name = forms.CharField()
    last_name = forms.CharField()
    username = forms.CharField()
    email = forms.EmailField()
    password = forms.CharField()
    password2 = forms.CharField()

Cleaned_data没有传递任何东西

2 个答案: