TypeError: Object of type datetime is not JSON serializable

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2022-04-27

新增类
class DateEncoder(json.JSONEncoder):
    def default(self, obj):
        if isinstance(obj, datetime.datetime):
            return obj.strftime('%Y-%m-%d %H:%M:%S')
        elif isinstance(obj, datetime.date):
            return obj.strftime("%Y-%m-%d")
        else:
            return json.JSONEncoder.default(self, obj)

调用时:

print json.dumps(self_data, cls=DateEncoder) 

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