def webwxgetvoice(self, msgid):
        """
        @brief      get voice in message
        @param      msgid  The id of message
        @return     binary data of voice
        """
        url = self.wx_conf['API_webwxgetvoice'] + \
            '?msgid=%s&skey=%s' % (msgid, self.skey)
        data = get(url, api='webwxgetvoice')
        return data

        @brief      get voice in message
        @param      msgid  The id of message
        @return     binary data of voice
        
wxbot_project_py2.7/wechat/wechat_apis.py