如何在Django中获取（访问）外键的成员实例？

发布于 2025-01-30 14:10:36 字数 1207 浏览 2 评论 0原文

文章/型号

 类文章（Models.Model）：
     user = models.foreignkey（settings.auth_user_model，on_delete = models.cascade）

user/models.py

 类用户（AbstractUser）：
    用户名= models.charfield（max_length = 20）
    电子邮件= models.emailfield（_（'电子邮件地址'），unique = true）
    profile_image_url = models.textfield（）

是否有其他方法包括或访问用户的成员实例（用户名，电子邮件，profile_image_url）中的班级文章？

我想在此

 class Article(models.Model):
     User.username
     User.email
     User.profile_image_url

FYI中撰写课堂文章，我的序列化器是这些

 class ArticleSerializer(serializers.ModelSerializer):
    class Meta:
          model = Article
          fields = ['emotion', 'location', 'menu', 'weather', 'song', 'point', 'content', 'image', 'user', 'created', 'liked', 'num_liked']


 class UsersSerializer(serializers.ModelSerializer):
      class Meta:
          model = User
          fields = ('id', 'username', 'date_joined', 'email', 'profile_image_url', 
          'followings', 'followers')

是否有其他方法可以使我的ArticleSerializer包括使用Usererialializer的字段？或其他方法包括或访问用户的成员实例（用户名，电子邮件，profile_image_url）

原文

articles/models.py

 class Article(models.Model):
     user = models.ForeignKey(settings.AUTH_USER_MODEL, on_delete=models.CASCADE)

user/models.py

 class User(AbstractUser):
    username = models.CharField(max_length=20)
    email = models.EmailField(_('email address'), unique=True)
    profile_image_url = models.TextField()

Is there any other way to include or access user's member instance (username, email, profile_image_url) into class Article??

I'd like to make class Article into this

 class Article(models.Model):
     User.username
     User.email
     User.profile_image_url

FYI,my Serializer are these

 class ArticleSerializer(serializers.ModelSerializer):
    class Meta:
          model = Article
          fields = ['emotion', 'location', 'menu', 'weather', 'song', 'point', 'content', 'image', 'user', 'created', 'liked', 'num_liked']


 class UsersSerializer(serializers.ModelSerializer):
      class Meta:
          model = User
          fields = ('id', 'username', 'date_joined', 'email', 'profile_image_url', 
          'followings', 'followers')

Is there any other way to make my ArticleSerializer to include UserSerializer's fields?
or Is there any other way to include or access user's member instance (username, email, profile_image_url) into class Article??

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一束光，穿透我孤独的魂 2025-02-06 14:10:36

您可以尝试一下：

class ArticleSerializer(serializers.ModelSerializer):
    email = serializers.CharField(source='user.email', allow_null=True)
    # And so on

    class Meta:
        model = Article
        fields = ('id', 'user', 'email')

You could try this:

class ArticleSerializer(serializers.ModelSerializer):
    email = serializers.CharField(source='user.email', allow_null=True)
    # And so on

    class Meta:
        model = Article
        fields = ('id', 'user', 'email')

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