最后，在django-rest-framework的测试中找到了解决方案。https://github.com/tomchristie/django-rest- framework/blob/master/tests/test_serializer.py#L149
您可以轻松定义嵌套的序列化器，这些序列化器将充当容器并将数据提取到您的普通对象。像这样：
class NestedSerializer1(serializers.Serializer):
a = serializers.IntegerField()
b = serializers.IntegerField()
class NestedSerializer2(serializers.Serializer):
c = serializers.IntegerField()
d = serializers.IntegerField()
class TestSerializer(serializers.Serializer):
nested1 = NestedSerializer1(source='*')
nested2 = NestedSerializer2(source='*')
data = {
'nested1': {'a': 1, 'b': 2},
'nested2': {'c': 3, 'd': 4}
}
serializer = TestSerializer(data=self.data)
assert serializer.is_valid()
assert serializer.validated_data == {
'a': 1,
'b': 2,
'c': 3,
'd': 4
}
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