public function get_kf_session_list($kf_account)
{
$url = self::API_DOMAIN . 'customservice/kfsession/getsessionlist?access_token=' . $this->get_access_token() . '&kf_account=' . $kf_account;
$res = HttpCurl::get($url, 'json');
// 异常处理: 获取时网络错误
if ($res === false) {
return Error::code('ERR_GET');
}
// 判断是否调用成功
if (isset($res->sessionlist)) {
return array(null, $res->sessionlist);
} else {
return array($res, null);
}
}