modelformset

class StudyRecordDeialView(View):
    def get(self, request, class_record_id):
        class_record_obj = models.ClassStudyRecord.objects.get(pk=class_record_id)
        print(class_record_obj)
        all_study_recored = models.StudentStudyRecord.objects.filter(
            classstudyrecord=class_record_obj,
        )

        form_set_obj = modelformset_factory(model=models.StudentStudyRecord,form=StudyRecordDeialModelForm,extra=0)
        formset = form_set_obj(queryset=all_study_recored)

        return render(request, 'student/study_record_detail.html',{'formset': formset})

    def post(self, request, class_record_id):
        class_record_obj = models.ClassStudyRecord.objects.get(pk=class_record_id)

        all_study_recored = models.StudentStudyRecord.objects.filter(
            classstudyrecord=class_record_obj,
        )

        form_set_obj = modelformset_factory(model=models.StudentStudyRecord, form=StudyRecordDeialModelForm, extra=0)

        formset = form_set_obj(request.POST)

        if formset.is_valid():
            formset.save()
        else:
            print(formset.errors)

        return redirect(reverse('study_decord',args=(class_record_id,)))

{{ formset.management_form }}  <!-- 使用modelformset的时候这句话一定要加在前端页面里，固定的昂 -->

巴特西

modelformset

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