我有两个模型,都有字段“状态”,对它们有不同的含义.
class Order(models.Model):
...
status = models.PositiveIntegerField(default=0,choices=ORDER_STATUSES)
...
class ACS(models.Model):
status = models.IntegerField(default=-1,choices=STATUSES)
order = models.ForeignKey(Order,blank=True,null=True)
...
他们的形式如下:
class ACSForm(forms.ModelForm):
status = forms.ChoiceField(
choices=STATUSES,widget=forms.Select(attrs={'class': 'form-control'})
)
...
class Meta:
model = ACS
fields = ('status',)
class OrderACSEditForm(forms.ModelForm):
status = forms.ChoiceField(
choices=ORDER_STATUSES,widget=forms.Select(attrs={'class': 'form-control'})
)
class Meta:
model = Order
fields = ('status',)
我想在同一页面上编辑这两个字段.我的view.py看起来像
def edit(request,item_id=""):
data = ACS.objects.get(pk=item_id)
form = ACSForm(instance=data)
order = Order.objects.get(id=data.order.id)
form_edit = OrderACSEditForm(instance=order)
if request.POST:
form = ACSForm(request.POST,instance=data)
form_edit = OrderACSEditForm(request.POST)
if form.is_valid() and form_edit.is_valid():
form_edit.save()
obj = form.save()
messages.add_message(request,messages.SUCCESS,'Your data successfully saved.')
if request.POST['action'] == "save_stay":
return redirect("/panel/packages/acs/edit/" + str(obj.id))
else:
return redirect("/panel/packages/acs/")
return render(request,'ui/packages/acs/edit.html',dict(data=data,form=form,form_edit=form_edit,item_id=item_id))
和模板:
<div class="form-group {% if form.status.errors %}has-error{% endif %}">
<label>{% trans "Status" %}</label>
{% if form.status.errors %}
{% for error in form.status.errors %}
<label class="control-label">{{ error }}</label>
{% endfor %}
{% endif %}
{{ form.status }}
</div>
<div class="form-group {% if form_edit.status.errors %}has-error{% endif %}">
<label>{% trans "Order status" %}</label>
{% if form_edit.status.errors %}
{% for error in form_edit.status.errors %}
<label class="control-label">{{ error }}</label>
{% endfor %}
{% endif %}
{{ form_edit.status }}
</div>
但是在结果form.status从form_edit.status获取值不正确.我需要解决这个问题,而不更改模型字段的名称,但不知道如何.
解决方法
对表单使用
prefix参数,以命名字段名称.
form = ACSForm(prefix='acs',instance=data) form_edit = OrderACSEditForm(prefix='edit',instance=order)
在使用POST数据实例化表单时,请记住使用相同的前缀.