我无法更新嵌套对象字段中的对象。在这里,我无法从电影模型更新name
。这是我的型号.py地址:
class Movie(models.Model):
name = models.CharField(max_length=800, unique=True)
imdb_rating = models.IntegerField(null=True)
movie_choice = (
('Act', 'Action'),
...........
)
movie_type = models.CharField(max_length=3, choices=movie_choice)
created_at = models.DateTimeField(auto_now_add=True)
updated_at = models.DateTimeField(auto_now=True)
class Hiren(models.Model):
movie = models.ForeignKey(Movie)
watched_full = models.BooleanField(default=True)
rating = models.IntegerField()
source = models.CharField(max_length=500, null=True)
watched_at = models.DateField()
quality_choice = (
..................
)
video_quality = models.CharField(max_length=3, choices=quality_choice)
created_at = models.DateField(auto_now_add=True)
updated_at = models.DateField(auto_now=True)
以及序列化程序.py你知道吗
class MovieSerializer(serializers.ModelSerializer):
class Meta:
model = Movie
fields = '__all__'
class HirenSerializer(serializers.ModelSerializer):
movie = MovieSerializer()
class Meta:
model = Hiren
fields = ('movie', 'id', 'watched_full', 'rating', 'source', 'video_quality', 'watched_at')
def update(self, instance, validated_data):
instance.movie.name = validated_data.get('movie.name', instance.movie.name)
instance.watched_full = validated_data.get('watched_full', instance.watched_full)
instance.rating = validated_data.get('rating', instance.rating)
instance.source = validated_data.get('source', instance.source)
instance.video_quality = validated_data.get('video_quality', instance.video_quality)
instance.watched_at = validated_data.get('watched_at', instance.watched_at)
instance.save()
return instance
您没有对相关对象调用
save
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