我想序列化一个对象列表,
我试试这个:
序列化程序/任务_列表.py
from rest_framework import serializers
class TaskListSerializer(serializers.Serializer):
>---id = serializers.CharField()
>---user_id = serializers.CharField()
然后我给序列化程序一个dict,它可以工作:
from task_list import TaskListSerializer as ts
result = ts({'id':1, 'user_id': 2})
print result.data
{'user_id': u'1', 'id': u'1'}
这对迪克特有好处
现在我想序列化一个列表,如下所示:
result = ts([{'id':1, 'user_id': 1}])
print result.data
它给了我一个错误:
Traceback (most recent call last):
File "<console>", line 1, in <module>
File "/var/data/users/chenc3/opt/websoc/lib/python2.6/site-packages/rest_framework/serializers.py", line 487, in data
ret = super(Serializer, self).data
File "/var/data/users/chenc3/opt/websoc/lib/python2.6/site-packages/rest_framework/serializers.py", line 223, in data
self._data = self.to_representation(self.instance)
File "/var/data/users/chenc3/opt/websoc/lib/python2.6/site-packages/rest_framework/serializers.py", line 447, in to_representation
attribute = field.get_attribute(instance)
File "/var/data/users/chenc3/opt/websoc/lib/python2.6/site-packages/rest_framework/fields.py", line 418, in get_attribute
raise type(exc)(msg)
AttributeError: Got AttributeError when attempting to get a value for field `id` on serializer `TaskListSerializer`.
The serializer field might be named incorrectly and not match any attribute or key on the `list` instance.
Original exception text was: 'list' object has no attribute 'id'.
我怎样才能修好它?你知道吗
您需要添加
many=True
,例如:了解更多here
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