Django关于一对多的增删改查

使用drf

models.py

class Teacher(models.Model):
    name = models.CharField(max_length=32)

    class Meta:
        db_table = 'teacher'


class Students(models.Model):
    name = models.CharField(max_length=32)
    teacher = models.ForeignKey(to='Teacher',on_delete=models.CASCADE,related_name='students')

    class Meta:
        db_table = 'students'

view.py

class O2MView(APIView):
    def get(self,request):
        # 反向添加
        # tea = Teacher.objects.create(name="老王")
        # tea.students.create(name='小熊猫')
        # tea.students.create(name='小鹦鹉')
        # tea.save()
        # 正向添加
        # stu = Students.objects.create(name='小猫咪',teacher=Teacher.objects.create(name='老张'))
        # 正向查询
        # sobj = Students.objects.filter(pk=3).first()
        # print(sobj.name,sobj.teacher.name)
        # 反向查询
        # tobj = Teacher.objects.filter(name='老王').first()
        # for tea in tobj.students.all():
        #     print(tobj.name,tea.name)
        # 修改
        # Students.objects.filter(pk=1).update(teacher=Teacher.objects.filter(pk=2).first())
        # 删除
        # Students.objects.filter(name='小鹦鹉').delete()

        # Students.objects.filter(teacher=Teacher.objects.filter(name='老张').first()).delete()

        # Teacher.objects.filter(pk=2).delete()
        return Response({"msg":'ok'})