多对多添加

• 模型

  from django.db import models
  
  # 学生类
  class Student(models.Model):
      name = models.CharField(max_length=32)
  # 老师类
  class Teacher(models.Model):
      name = models.CharField(max_length=32)
      students = models.ManyToManyField(to='Student',related_name='stu')
  

• 视图

  • 老师选择学生

    from rest_framework.views import APIView
    from rest_framework.response import Response
    from . import models
    # 老师类
    class TeacherView(APIView):
        def post(self, request):
            teacherobj = models.Teacher.objects.filter(id=1).first()
            studentobj = models.Student.objects.filter(id=2).first()
            teacherobj.students.add(studentobj)
            return Response({
                "status": 200
            })
    

  • 学生选择老师

    from rest_framework.views import APIView
    from rest_framework.response import Response
    from . import models
    # 学生类
    class StudentView(APIView):
      def post(self,request):
          studentobj = models.Student.objects.filter(id=1).first()
          teacherobj = models.Teacher.objects.filter(id=1).first()
          studentobj.stu.add(teacherobj)
          return Response({
              "status":200
            })
    

  • 老师选择多名学生

    from rest_framework.views import APIView
    from rest_framework.response import Response
    from . import models
    # 老师类
    class TeacherView(APIView):
        def post(self, request):
            teacherobj = models.Teacher.objects.filter(id=1).first()
            teacherobj.students.set(*[1,2,3,4])
            return Response({
                "status": 200
            })
    

  • 学生选择多名老师

    from rest_framework.views import APIView
    from rest_framework.response import Response
    from . import models
    # 学生类
    class StudentView(APIView):
      def post(self,request):
          studentobj = models.Student.objects.filter(id=1).first()
          studentobj.stu.set(*[1,2,3,4])
          return Response({
              "status":200
            })