我有一个Django模型表单,我用它来允许用户更新他们之前上传到网站的套牌。但是,出于某种原因,清理后的数据将以unicode的形式返回。因此,如果他们进入" Deck Foo"作为名称,它将作为(u'Deck Foo',)
记录在数据库中。我在我的网站上可能有10个其他的模型表单,它们都按预期完美地工作,我看不出它们和它之间的单一区别。为什么这些被保存为unicode而不是常规字符串?
forms.py
class DeckForm(forms.ModelForm):
class Meta:
model = Deck
fields = ['name',
'format',
'type',
'packs',
'deck_list',
'is_active']
def clean(self):
if self.cleaned_data['type'] == 'COMMANDER' and self.cleaned_data['format'] != 'VINTAGE':
raise forms.ValidationError('Commander is only played in vintage format.')
return self.cleaned_data
views.py
def deck_detail(request,
deck_slug,
template_name="deck/deck_detail.html"
):
deck = Deck.objects.get(slug=deck_slug)
if request.method == 'POST':
form = DeckForm(request.POST, instance=deck)
if form.is_valid():
name = form.cleaned_data['name']
format = form.cleaned_data['format']
type = form.cleaned_data['type']
packs = form.cleaned_data['packs']
deck_list = form.cleaned_data['deck_list']
is_active = form.cleaned_data['is_active']
deck.name = name,
deck.slug = slugify(name),
deck.format = format,
deck.type = type,
deck.packs = packs,
deck.deck_list = deck_list,
deck.is_active = is_active
deck.save()
return HttpResponseRedirect('/deck/'+deck.slug)
else:
form = DeckForm(instance=deck)
HTML
<form action="/deck/{{deck.slug}}/" method="post">{% csrf_token %}
{{ form.as_p }}
<input type="submit" value="Submit Deck" />
</form>
答案 0 :(得分:4)
您正在将deck.name
变成元组。
deck.name = name,
您的示例表明您的问题实际上并不是unicode问题。而是将元组插入到数据库中而不是简单的unicode字符串。试试这个:
deck.name = name # no comma
(u'Deck Foo',)
(在您的数据库中)是具有单个unicode元素的元组的字符串表示形式。 unicode字符串看起来像这样:
u'Deck Foo'
但是您的数据库只是将字符串写入数据库而不使用引号或前缀u
。