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我有一個新初始化方法,它允許根據參數來顯示各種選擇的一種形式:驗證具有重載_init_形式
class Isochrone_Set_Parameters(forms.Form):
Grid_Choices = Grids_Selection.Grid_Choices
def __init__(self, Grid_Type, *args, **kwargs):
super(Isochrone_Set_Parameters, self).__init__(*args, **kwargs)
if Grid_Type == Grids_Selection.Grid_Values[0]:
Choices = (('0.0','0.0'),('0.1','0.1'),('0.3','0.3'),('0.5','0.5'),('0.6','0.6'),('0.7','0.7'), \
('0.8','0.8'),('0.9','0.9'),('0.95','0.95'))
self.fields['Rotation_Rate'] = forms.ChoiceField(choices=Choices)
elif Grid_Type == Grids_Selection.Grid_Values[1]:
Choices = (('0.0','0.0'),('0.568','0.568'))
self.fields['Rotation_Rate'] = forms.ChoiceField(choices=Choices)
else:
Choices = (('-1.0','-1.0'),('-2.0','-2.0'))
self.fields['Rotation_Rate'] = forms.ChoiceField(choices=Choices)
self.fields.keyOrder = [
'Selected_Grid',
'Metallicity',
'Mass',
'Rotation_Rate']
Selected_Grid = forms.ChoiceField(choices=Grid_Choices)
Metallicity = forms.FloatField()
Mass = forms.FloatField()
和以下觀點:
def Isochrone(request):
if request.method == 'POST':# If the form has been submitted...
form = Isochrone_Set_Parameters(request.POST) # A form bound to the POST data
if form.is_valid():
return HttpResponse("C'est ok")
else:
return render_to_response("Site/Isochrone.html",{
'form': form
},context_instance=RequestContext(request))
else:
form = Isochrone_Set_Parameters(Grid_Type = "NotSet",initial={'Metallicity': -1.0, 'Mass': -1.0, 'Rotation_Rate': -1.0}) # An unbound form
return render_to_response("Site/Isochrone.html",{
'form': form
},context_instance=RequestContext(request))
當表單發佈時,form.is_valid()測試失敗。我沒有錯誤消息,可以通過form.POST。[「My_Value」]訪問發佈的值。我不明白我做錯了什麼。有人可以給我一個關於如何糾正這個問題的提示嗎?
(我精確的錯誤似乎是鏈接到形式的init方法的重載,因爲如果我把一個簡單的ChoiceField爲Rotation_Rate,它完美的作品。)
謝謝!
好的,謝謝,我明白我的錯誤。爲了避免混淆,以防這個答案對其他人有用,上面有一個小錯誤:應該是'def __init __(self,* args,** kwargs):' – user1618164
是的,很抱歉,編輯過。 –