django 1.8 表单的自定义验证不起作用

Question

我正在学习 django 1.8(python 2.7.8) 我正在尝试验证电子邮件、名字和姓氏 field.The 问题是什么我插入到表单中，它被保存到数据库中（只有默认的电子邮件验证有效）。以下是我的表单、视图、模型和管理文件的外观 like.Any 建议？谢谢

models.py

from django.db import models

# Create your models here.

class SignUp(models.Model):
email = models.EmailField()
first_name = models.CharField(max_length=25,blank=True,null=True)
last_name = models.CharField(max_length=25,blank=True,null=True)
timestamp = models.DateTimeField(auto_now_add=True,auto_now=False)
updated = models.DateTimeField(auto_now_add=False,auto_now=True)

def __unicode__(self):
    return self.email

admin.py

from django.contrib import admin
# Register your models here.

from .models import SignUp
class SignUpAdmin(admin.ModelAdmin):
    list_display = ["__unicode__","first_name","last_name","timestamp","updated"]
    class Meta:
        model = SignUp

admin.site.register(SignUp, SignUpAdmin)

views.py

from django.shortcuts import render
from forms import SignUpForm

# Create your views here.
def home(request):
    title = "Welcome"
    form = SignUpForm(request.POST or None)
    context = { "title": title,"form":form, }
    if form.is_valid():
        instance = form.save(commit=False)
        instance.save()
    return render(request, "home.html", context)

forms.py

from django import forms
from .models import SignUp
import re

class SignUpForm(forms.ModelForm):
    class Meta:
        model = SignUp
        fields = ['first_name','last_name','email']
    def clean_email(self):
        email = self.cleaned_data.get('email')
        email_base, provider = email.split('@')
        domain,extension = provider.split('.')
        if provider.count('.')  > 2: #email provider should not have more than 2 "dots=> ."
            raise forms.ValidationError("Please use valid email address")
        return email
    def clean_first_name(self):
        first_name = self.cleaned_data.get('first_name')
        if bool(re.search('[\d\s]',first_name)): #firstname should not have whitespace or digits
            raise forms.ValidationError("Please dont use numbers or space in Name Field")
        return first_name
    def clean_last_name(self):
        last_name = self.cleaned_data.get('last_name')
        if bool(re.search('[\d]',last_name)): #lastname should not have digits
            raise forms.ValidationError("Please dont use numbers or space in Name Field")
        return last_name

urls.py

from django.conf.urls import include, url
from django.contrib import admin

urlpatterns = [
    url(r'^admin/', include(admin.site.urls)),
    url(r'^$','newsletter.views.home', name='home'),
        ]

home.html

<html>
<title>Home Page</title>
<body>
{{ title }} {{ request.user }} <br>
    <form method="post" action="">
     {% csrf_token %}

    {{ form.as_p }}
    <input type="submit" value="submit">
</form>
</body>
</html>

Answer 1

您的 form.py 似乎 fine.I 认为您没有显示模板中的错误 HTML。
{% 如果 form.errors %}
{% form.errors %}
中的错误 {{ 错误 }}
{% endfor %}
{% endif %}

Answer 2

我犯了一些愚蠢的错误（缩进）。 post

上的问题已更正且代码正确

django 1.8 表单的自定义验证不起作用

django 1.8 custom validation of form not working

python

django

validation

django-models

django-forms