base.py 文件源码

def write_json(self, code, message='', data=None):
        if self._mode != self.MODE_JSON:
            self.write('should be json request.')
            self.finish()
            return

        if not isinstance(code, int):
            raise RuntimeError('`code` must be a integer.')
        if not isinstance(message, str):
            raise RuntimeError('`msg` must be a string.')

        if data is None:
            data = list()

        _ret = {'code': code, 'message': message, 'data': data}

        self.set_header("Content-Type", "application/json")
        self.write(json_encode(_ret))
        self.finish()