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  • python 使用json.dumps转换django queryset的datatime报错问题解决

    转换成json时使用的方法如下:

    json.dumps(list(models.userlist.objects.values("vu")))

    报错信息如下:

    Traceback (most recent call last):
      File "<console>", line 1, in <module>
      File "D:Python36libjson\__init__.py", line 231, in dumps
        return _default_encoder.encode(obj)
      File "D:Python36libjsonencoder.py", line 199, in encode
        chunks = self.iterencode(o, _one_shot=True)
      File "D:Python36libjsonencoder.py", line 257, in iterencode
        return _iterencode(o, 0)
      File "D:Python36libjsonencoder.py", line 180, in default
        o.__class__.__name__)
    TypeError: Object of type 'datetime' is not JSON serializable

    解决方案如下:

    >>> from django.core.serializers.json import DjangoJSONEncoder 

    >>> import json 
     
    
    
    >>> json.dumps(list(models.userlist.objects.values()), cls=DjangoJSONEncoder) 

    '[{"vu": 1, "username": "jwh", "password": "0e01234c7d1c41dda9376d21467330bd", "isVip": true, "vipEndtime": "2018-02-20T10:53:01", "is_whitelist": false, "subscription_status": false}, {"vu": 3, "username": "jiang", "password": "", "isVip": false, "vipEndtime": "2018-09-03T16:42:13", "is_whitelist": false, "subscription_status": false}, {"vu": 4, "username": "jiangwenhui", "password": "", "isVip": false, "vipEndtime": "2018-09-05T14:22:37.911", "is_whitelist": false, "subscription_status": false}, {"vu": 5, "username ": "test", "password": "", "isVip": false, "vipEndtime": "2018-09-05T14:36:47", "is_whitelist": false, "subscription_status": false}]'
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  • 原文地址:https://www.cnblogs.com/jiangwenhui/p/10168979.html
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