python - Django Rest Framework HTML POST 表单给出错误消息 提交后此字段为必填项

Question

我的models.py是

class Genre(models.Model):
    genre = models.CharField(max_length=200)
    def __str__(self):
        return self.genre


class Movies(models.Model):
    popularity=models.DecimalField(max_digits=5, decimal_places=2)
    director = models.CharField(max_length=200)
    genre = models.ManyToManyField(Genre, blank=True, null=True)
    score= models.DecimalField(max_digits=5, decimal_places=2)
    name = models.CharField(max_length=200)
    def __str__(self):
        return self.name

这是我的序列化器和视图集

# Serializers define the API representation.
class MoviesSerializer(serializers.ModelSerializer):
    #genre =  serializers.StringRelatedField(many=True)
    genre =  serializers.SlugRelatedField(queryset=Genre.objects.all(),many=True,slug_field='genre' )
    class Meta:
        model = Movies
        fields = ('popularity', 'director', 'genre', 'score','name')

# ViewSets define the view behavior.
class MovieViewSet(viewsets.ModelViewSet):
    queryset = Movies.objects.all()
    serializer_class = MoviesSerializer

# Routers provide an easy way of automatically determining the URL conf.
router = routers.DefaultRouter()
router.register(r'movies', MovieViewSet)

以 .身份登录时，我能够看到 HTML POST 表单Superuser。但是在提交HTML POST表单时收到错误消息This field is required。代码中的错误是什么。感谢您提前提供帮助。

Answer 1

您应该为此使用SlugRelatedField而不是 StringRelatedField。