Django Rest Framework覆盖了modelserialzer中的模型字段
发布时间:2020-12-20 12:31:49 所属栏目:Python 来源:网络整理
导读:假设我有这个序列化器: class DashboardItemSerializer(ModelSerializer): offer = serializers.SerializerMethodField() cart_item = serializers.SerializerMethodField() stock_details = serializers.SerializerMethodField() class Meta: model = Orde
假设我有这个序列化器:
class DashboardItemSerializer(ModelSerializer): offer = serializers.SerializerMethodField() cart_item = serializers.SerializerMethodField() stock_details = serializers.SerializerMethodField() class Meta: model = OrderItem fields = ('uuid','seller','total','tax','offer','shipping_address','cart_item','stock_details') def offer(self,obj): return 123 def cart_item(self,obj): return 123 def stock_details(self,obj): return 123 这些字段提供,cart_item和stock_details是模型字段,我想覆盖它以返回不同的值,但看起来像DRF忽略自定义字段并返回obj中的原始值. 如果我不将它们放在字段列表中,则数据将不包括这些字段. class DashboardItemSerializer(ModelSerializer): offer = serializers.SerializerMethodField() cart_item = serializers.SerializerMethodField() stock_details = serializers.SerializerMethodField() class Meta: model = OrderItem fields = ('uuid','shipping_address') def offer(self,obj): return 123 一种方法是到define fields explicitly,但我想知道是否有更简单的方法. 解决方法
你忘了添加get_前缀.您的方法名称应该具有get_前缀,如
SerializerMethodField docs中所述
def get_offer(self,obj): return 123 def get_cart_item(self,obj): return 123 def get_stock_details(self,obj): return 123 (编辑:李大同) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |