ModelSerializer
ModelSerializer
extra_kwargs
指定某个字段为只写
class Meta:
model = models.CvtBondsPool
exclude = ("created_time", "updated_time")
extra_kwargs = { "maintain_report_classes": {"write_only": True}
}serializers.ListField
指定该字段 为列表类型，里面的值为Int类型，且只在写入时校验
class CvtBondsPoolSerializer(serializers.ModelSerializer): cvt_rating_choices = serializers.ListField(child=serializers.IntegerField(), write_only=True)