/ registration __init __()的TypeError得到一个意外的关键字参数'null'

Question

请求方法:GET请求URL:http://127.0.0.1: 8000 /注册 Django版本:1.3.1异常类型:TypeError异常值:

__init__() 有一个意外的关键字参数 'null'

异常位置:/usr/local/lib/python2.7/dist-packages/django/forms/fields.py in init,第196行Python可执行文件:/ usr/bin/python Python版本:2.7.2 Python路径:

['/ home/forent/myprograms/mysite7','/ usr/local/lib/python2.7/dad-package /oauth2-1.5.211-py2.7.egg','/ usr/local/lib/python2 .7/dist-packages','/ usr/local/lib/python2.7/did-package/python_twitter-0.8.2-py2.7.egg','/ usr/local/lib/python2.7/rem -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/dad -packages ','/ usr/lib/python2.7/did-package','/ usr/lib/python2.7/did-package/PIL','/ usr/lib/python2.7/did-package/glst- 0.10','/ usr/lib/python2.7 /dist-packages/gtk-2.0','/ usr/lib/pymodules/python2.7','/ usr/lib/python2.7 /dist-package /ubuntu -sso-client','/ usr/lib/python2.7/dad-packages /ubuntuone-client','/ usr/lib/python2.7/dad-package /ubuntuone-control-panel','/ usr/lib/python2.7/dist-packages/ubuntuone-couch','/ usr/lib/python2.7/did-package /ubuntuone-installer'','/ usr/lib/python2.7/record-packages /ubuntuone-存储-PR otocol']

服务器时间:2012年1月27日星期五11:11:22 -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,您只需拥有required.

但是,您应该使用ModelForm,它将从模型中为您创建表单字段,并允许您以后保存它.