Question

所以，总的Django Model Formset Newb问题。我正在尝试保存表单并继续收到此错误：

    ['ManagementForm data is missing or has been tampered with']

以下是我的TemplateView：

  class AttendanceTemplate(TemplateView):

         template_name = 'attendance/index.html'

         def get_context_data(self, **kwargs):
             context = super(AttendanceTemplate, self).get_context_data(**kwargs)
             instruction = Instruction(self.request.user.username)

                 sections_list = self.request.GET.getlist('sections_list')
                 term = self.request.GET.get('term', instruction.term)

                 enrollments = Enrollment.objects.using('wisp').prefetch_related('profile').filter(section_id__in=['111111'], term=term)

                 attendanceQuery = Enrollment.objects.using('wisp').prefetch_related('student').filter(section_id__in=['111111'], term=term)


        for enrollment in attendanceQuery:
           attendance, created = Attendance.objects.update_or_create(
             section_id=enrollment.section_id,
             term=enrollment.term,
             first_name=enrollment.student.first_name,
             last_name=enrollment.student.last_name,
             email_address=enrollment.student.email_address,
        )

    something = Attendance.objects.filter(section_id__in=['111111'], term=term)

    formset = AttendanceFormSet(queryset=something)

    combined = zip(enrollments, formset)

    context['combined'] = combined

    return context

以下是我尝试保存表单的方法：

def post(self, request):
    formset = AttendanceFormSet(request.POST)
    if formset.is_valid():
        for thing in formset:
            formset = thing.save()
            return render_to_response("template/index.html",{'formset': formset}, RequestContext(request))
    else:
        return HttpResponse(error.msg)

以下是我在模板中的内容：

            <form method="POST" action="">
               {% csrf_token %}
                    {% for enrollment, form in combined %}
                         <div class="wrapper-formset">
                             <div>
                               {{ form.first_name.value }}
                               {{ form.last_name.value }}
                                {{ form.email_address.value }}
                              </div>
                               <div class="clear-all"></div>
                              </div>
                           {% endfor %}
            <button type="submit" class="save btn btn-default">Save</button>
            </form>

我保存我的表格错了吗？也许我的循环错了？另外，我更喜欢单独打印每个字段，因此使用“myform.management_Form”可能对我不起作用？（例如，myform.management_form.field_name）

Answer 1

如果您单独呈现表单，则必须在模板中包含管理表单。您正在压缩表单的事实没有任何区别。

包含管理表单很简单，只需在模板中添加{% formset.management_form %}即可。

<form method="POST" action="">
    {% csrf_token %}
    {{ formset.management_form }}
    {% for enrollment, form in combined %}
    ...

要使其正常工作，您需要确保formset位于模板上下文中，例如：

    context['formset'] = formset

您可能会发现using model formsets in the template上的文档很有用。从最简单的选项{{ formset }}开始，测试它，然后逐步自定义模板，这是一个好主意。这使得在出错时更容易调试。目前您似乎错过了{{ form.id }}。

试图保存我的Django模型Formset，不断收到ManagementForm错误？

1 个答案: