在 django rest 框架中注册时如何允许用户选择组？

如何解决在 django rest 框架中注册时如何允许用户选择组？

我正在尝试在我的 rest 框架 API 中创建自定义注册，用户可以在其中使用以下数据发出 POST 请求

['email','username','password','password2','groups']

• ** 我的问题**：当我在照片中发出这样的帖子请求时，我收到错误 {"groups":["Incorrect type. Expected pk value,received str."]}

  

• 我的目标：我需要用户能够在组字段中选择组的名称
• 我的文件：

# serializers.py

class RegisterSerializer(serializers.ModelSerializer):

    password2 = serializers.CharField(
        style={'input_type': 'password'},write_only=True)

    class Meta:
        model = User
        fields = ['email','groups']
        extra_kwargs = {
            'password': {'write_only': True},}

    def save(self):

        user = User(
            email=self.validated_data['email'],username=self.validated_data['username']
        )
        password = self.validated_data['password']
        password2 = self.validated_data['password2']
        if password != password2:
            raise serializers.ValidationError(
                {'password': 'Passwords must match.'})
        user.set_password(password)
        user.save()
        return user

# views.py

@api_view(['POST',])
def Registration_view(request):

    if request.method == 'POST':
        serializer = RegisterSerializer(data=request.data)
        data = {}
        if serializer.is_valid():
            account = serializer.save()
            data['response'] = 'successfully registered new user.'
            data['email'] = account.email
            data['username'] = account.username
            data['groups'] = account.groups
        else:
            data = serializer.errors
      #   new_user = User.objects.all().get(username=data['username'])
        return Response(data)
      #   return JsonResponse(serlize("json",modles.User.objects.get(username=data['username'])))

解决方法

发生错误是因为您将组定义为外键（我猜是因为您没有共享models.py）但您尝试传递字符串值。因此，错误表明它需要组对象的 id。如果您随请求发送管理员组的 id，则不会发生错误。

另外，你不需要这部分：

data['response'] = 'successfully registered new user.'
data['email'] = account.email
data['username'] = account.username
data['groups'] = account.groups

你可以简单地使用：

return Response(serializer.data)