在开发中使用JsonResponse返回数据遇到错误：
TypeError: In order to allow non-dict objects to be serialized set the safe
views.py代码示例
def userProfile(request):
posts = User.objects.order_by('id')[:10].reverse()
return JsonResponse(posts)
JsonResponse源码：
class JsonResponse(HttpResponse): """ An HTTP response class that consumes data to be serialized to JSON. :param data: Data to be dumped into json. By default only ``dict`` objects are allowed to be passed due to a security flaw before EcmaScript 5. See the ``safe`` parameter for more @R_352_4045@ion. :param encoder: Should be a json encoder class. Defaults to ``django.core.serializers.json.DjangoJSONEncoder``. :param safe: Controls if only ``dict`` objects may be serialized. Defaults to ``True``. :param json_dumps_params: A dictionary of kwargs passed to json.dumps(). """ def __init__(self, data, encoder=DjangoJSONEncoder, safe=True, json_dumps_params=None, **kwargs): if safe and not isinstance(data, dict): raise TypeError( 'In order to allow non-dict objects to be serialized set the ' 'safe parameter to False.' ) if json_dumps_params is None: json_dumps_params = {} kwargs.setdefault('content_type', 'application/json') data = json.dumps(data, cls=encoder, **json_dumps_params) super().__init__(content=data, **kwargs)
根据源码得知，是因为传入的data参数不是一个字典导致的错误。
解决方法：
def userProfile(request):
posts = User.objects.order_by('id')[:10].reverse()
return JsonResponse(posts, safe=False)
文档网址：https://docs.djangoproject.com/zh-hans/2.2/_modules/django/http/response/
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