/**
* response message entity
*/
public function setResponse(Entity $entity)
{
$body = $entity->getBody();
$body['ToUserName'] = $this['FromUserName'];
$body['FromUserName'] = $this['ToUserName'];
$body['MsgType'] = $entity->getType();
$body['CreateTime'] = time();
$response = new XmlResponse($body);
$response->send();
}
