class StudentStudyRecordModelForm(forms.ModelForm):

    class Meta:

        model = StudentStudyRecord

        fields = ["score","homework_note"]

    def __init__(self,*args,**kwargs):

        super().__init__(*args,**kwargs)

        for field in self.fields.values():

            field.widget.attrs.update({"class":"form-control"})

from django.forms.models import modelformset_factory

class EditStudentStudyRecordView(View):

    def get(self,request,edit_id):

        model_formset_cls = modelformset_factory(model=StudentStudyRecord,form=StudentStudyRecordModelForm,extra=0)

        queryset = StudentStudyRecord.objects.filter(classstudyrecord_id=edit_id)

        formset = model_formset_cls(queryset=queryset)

        class_study_record = ClassStudyRecord.objects.filter(pk=edit_id).first()

        title = class_study_record

        return render(request,"edit_studentstudyrecord.html",{"formset":formset,"title":title})

    def post(self,request,edit_id):

        model_formset_cls = modelformset_factory(model=StudentStudyRecord, form=StudentStudyRecordModelForm, extra=0)

        formset = model_formset_cls(request.POST)

        if formset.is_valid():

            formset.save()

        return redirect(request.path)

 <form method="post" action="">

                     {% csrf_token %}

                     {{ formset.management_form }}#必须有，否则发送post请求时会报错

                     <table class="table table-bordered">

                         <thead>

                         <tr>

                             <th>姓名</th>

                             <th>考勤</th>

                             <th>作业成绩</th>

                             <th>作业评语</th>

                         </tr>

                         </thead>

                         <tbody>

                         {% for form in formset %}

                             <tr>

                                 {{ form.id }}

                                 <td>{{ form.instance.student }}</td>

                                 <td>{{ form.instance.get_record_display }} </td>

                                 <td>{{ form.score }} </td>

                                 <td>{{ form.homework_note }}</td>

                             </tr>

                         {% endfor %}

                         </tbody>

                     </table>

                     <input type="submit" value="保存">

                 </form>