django 将queryset中datetime序列化json

django 将queryset中datetime序列化json

import json
import datetime

class DjangoJSONEncoder(json.JSONEncoder):
    def default(self, o):
        # See "Date Time String Format" in the ECMA-262 specification.
        if isinstance(o, datetime.datetime):
            r = o.strftime('%Y-%m-%d %H:%M:%S')
            return r
        elif isinstance(o, datetime.date):
            return o.isoformat()
        elif isinstance(o, datetime.time):
            r = o.isoformat()
            if o.microsecond:
                r = r[:12]
            return r
        else:
            return super().default(o)

示例

temp_output=MyModel.objects.all()
output = json.dumps(temp_output, cls=DjangoJSONEncoder)