class GoodsSerializer(serializers.Serializer):
name = serializers.CharField(required = True, max_length = 30)
code = serializers.CharField(default = 0)
goods_front_image = serializers.ImageField()
这里我们写了name,code, goods_front_image,但是Models中的Goods类我们有很多属性,Serializer是怎么知道对应哪三个属性呢?
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