2018-10-12 Django serializers.se
作者:
多吃水果少吃肉 | 来源:发表于
2018-10-12 13:30 被阅读0次
https://stackoverflow.com/questions/46062242/queryset-serialize-attributeerror-dict-object-has-no-attribute-meta?noredirect=1&lq=1
data = SampleProductStatus.objects.filter(sample__customer_id=request.user.username).values('status')\
.annotate(count=Count('status')).values('status', 'count')
# 下面方法会出现 AttributeError: 'dict' object has no attribute '_meta'
# qs_json = serializers.serialize('json', data)
# 下面方法会出现 TypeError: Object of type 'QuerySet' is not JSON serializable
# resp = json.dumps(data)
resp = json.dumps(list(data), cls=DjangoJSONEncoder)
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