django - TypeError at/registration __init__() 得到了一个意外的关键字参数 'null'

Question

请求方式:GET请求网址:http://127.0.0.1:8000/registrationDjango 版本:1.3.1异常类型:TypeError异常值:

__init__() 得到了一个意外的关键字参数 'null'

Exception Location: /usr/local/lib/python2.7/dist-packages/django/forms/fields.py in init, line 196 Python Executable: /usr/bin/python Python Version: 2.7.2 Python Path:

['/home/forent/myprograms/mysite7', '/usr/local/lib/python2.7/dist-packages/oauth2-1.5.211-py2.7.egg', '/usr/local/lib/python2.7/dist-packages', '/usr/local/lib/python2.7/dist-packages/python_twitter-0.8.2-py2.7.egg', '/usr/local/lib/python2.7/dist-packages/ipython-0.12-py2.7.egg', '/usr/lib/python2.7', '/usr/lib/python2.7/plat-linux2', '/usr/lib/python2.7/lib-tk', '/usr/lib/python2.7/lib-old', '/usr/lib/python2.7/lib-dynload', '/usr/local/lib/python2.7/dist-packages', '/usr/lib/python2.7/dist-packages', '/usr/lib/python2.7/dist-packages/PIL', '/usr/lib/python2.7/dist-packages/gst-0.10', '/usr/lib/python2.7/dist-packages/gtk-2.0', '/usr/lib/pymodules/python2.7', '/usr/lib/python2.7/dist-packages/ubuntu-sso-client', '/usr/lib/python2.7/dist-packages/ubuntuone-client', '/usr/lib/python2.7/dist-packages/ubuntuone-control-panel', '/usr/lib/python2.7/dist-packages/ubuntuone-couch', '/usr/lib/python2.7/dist-packages/ubuntuone-installer', '/usr/lib/python2.7/dist-packages/ubuntuone-storage-protocol']

Server time: Fri, 27 Jan 2012 11:11:22 -0600

#

view

from django.shortcuts import render_to_response
from registration.models import UserDetails
from forms import UserForm
from django.template import RequestContext
from django.http import HttpResponseRedirect


def user_details(request):
    if request.method=="POST":
        uform=UserForm(request.POST)
        if uform.is_valid():
            profile=uform.save(commit=False)
            profile.save()
        else:
            uform=UserForm()
        return render_to_response('career.html',{'uform':uform},context_instance=RequestContext(request))

#model

from django.db import models

class UserDetails(models.Model):
    fname=models.CharField(max_length=20)
    lname=models.CharField(max_length=20)
    email = models.EmailField()
    address = models.CharField(max_length=50)
    country = models.CharField(max_length=20)
    def __unicode__(self):
        return self.fname
        return self.lname
        return self.email
        return self.address
        return self.country
#forms

from django import forms
from registration.models import UserDetails


class UserForm(forms.Form ):
    fname=forms.CharField(max_length=20, null=True,blank=True)
    lname=forms.CharField(max_length=20, null=True,blank=True)
    email = forms.EmailField(blank=True, null=True)
    address = forms.CharField(max_length=50, null=True,blank=True)
    country = forms.CharField(max_length=20, null=True,blank=True)

#urls

from django.conf.urls.defaults import patterns, include, url

from django.contrib import admin
admin.autodiscover()
# Uncomment the next two lines to enable the admin:
# from django.contrib import admin
# admin.autodiscover()

urlpatterns = patterns('',
    # Examples:
     url(r'^registration/$', 'registration.views.user_details', name='user_details'),
    # url(r'^mysite7/', include('mysite7.foo.urls')),

    # Uncomment the admin/doc line below to enable admin documentation:
    # url(r'^admin/doc/', include('django.contrib.admindocs.urls')),

    # Uncomment the next line to enable the admin:
      url(r'^admin/', include(admin.site.urls)),
)

#template 

<form enctype="multipart/form-data" method="post">{% csrf_token %}
    {{ uform.as_p }}
   <input type="submit" ....>
</form>

这是我写的代码..

Answer 1

表单字段没有null 或blank 参数。这些仅适用于模型字段。对于表单字段，您只需要 required。

但是，您真的应该使用 ModelForm这将从模型中为您创建表单字段，并允许您在之后保存它。