我遇到了clean_data似乎工作的问题。我想在会话中存储cleared_data,以便稍后重新填充表单对象。问题是我的选择字段似乎存储下拉列表的显示名称而不是实际值。例如:Python - Django - Form choicefield和cleaned_data
<select name="dropdown_element">
<option value="1">Red</option>
<option value="2">Blue</option>
</select>
如果我选择了红色和使用form.cleaned_data [“dropdown_element”]我会得到的显示名称和红色1.没有价值有没有办法来获取值,而不是标签?
编辑
VIEW:
def vehicle_add_fleet(request):
if request.POST:
fleet_form = FleetForm(request.POST, prefix='fleet')
count_form = CountForm(request.POST, prefix='count', label='# of Odometer Readings')
if fleet_form.is_valid() and count_form.is_valid():
request.session['add'] = {}
request.session['add']['fleet'] = fleet_form.cleaned_data
return HttpResponseRedirect('/vehicle/add/general/%s/' % (count_form.cleaned_data['count']))
else:
fleet_form = FleetForm(prefix='fleet')
count_form = CountForm(prefix='count', label='# of Odometer Readings')
return render_to_response('add/fleet.html', {'fleet_form': fleet_form, 'count_form': count_form})
FORM:
class FleetForm(forms.models.ModelForm):
home_location = forms.ModelChoiceField(queryset=Location.objects.filter(home_only=True), required=False, label=_('Home Location'))
number = forms.IntegerField(max_value=99999, label=_('Fleet Number'))
ari_number = forms.IntegerField(max_value=999999, required=False, label=_('ARI Number'))
class Meta:
model = Fleet
exclude = ('status')
MODEL:
class Fleet(models.Model):
#One-to-Many
status = models.ForeignKey(Status, verbose_name=_('Status'), default=3)
pwgsc_spec_code = models.ForeignKey(PWGSCSpecCode, verbose_name=_('PWGSC Specification Code'))
current_location = models.ForeignKey(Location, related_name='fleet_current', blank=True, null=True, verbose_name=_('Current Location'))
home_location = models.ForeignKey(Location, related_name='fleet_home', blank=True, null=True, verbose_name=_('Home Location'))
#Fields
number = models.PositiveIntegerField(verbose_name=_('Fleet Number'))
pool_identifier = models.CharField(max_length=1, verbose_name=_('Pool Identifier'))
ari_number = models.PositiveIntegerField(blank=True, null=True, verbose_name=_('ARI Number'))
credit_card_number = models.CharField(max_length=16, blank=True, verbose_name=_('Credit Card Number'))
credit_card_expiry_date = models.DateField(blank=True, null=True, verbose_name=_('Credit Card Expiry Date'))
company_name = models.CharField(max_length=16, blank=True, verbose_name=_('Company Name'))
in_service_date = models.DateField(blank=True, null=True, verbose_name=_('In Service Date'))
reason = models.TextField(blank=True, verbose_name=_('Reason'))
class Meta:
verbose_name = _('Fleet')
verbose_name_plural = _('Fleets')
所以基本上我想添加ŧ他将车队的数据(清洗数据)形成会话。然而,当我得到的地方,我要救舰队形式的页面,我尝试填充它:
def vehicle_add(request):
#save non-partial forms
form = FleetForm(request.session['add']['fleet'])
if form.is_valid():
return HttpResponse('valid')
else:
return HttpResponse('invalid')
而且我上form.is_valid()的错误行:
类型错误在/车辆/添加/车队/ INT() 参数必须是字符串或数字
我当前的理论是,fleet_form.cleaned_data [“home_location”](例如)存储的显示值和而不是值fi中的整数场
其他信息:
我使用Django 1.1升级到1.3的Django。在所有其他示例中,我看到人们似乎获得了下拉值,而不是下拉显示值。希望这是足够的信息!
感谢所有帮助
你可以添加你使用的代码来获取表单以及表单对象(你的django的forms.Form类)的数据。 – Lin 2011-03-25 18:12:54
对不起没有意识到他们是一个编辑按钮。 – 2011-03-25 20:04:37