/**
* 用户取消喜欢一个事件
*
* @access public
* @param int eventId
* @return void
*/
public function unlikeEvent()
{
$this->checkAccessToken();
$this->params = $this->require_params(array('eventId'));
$this->userModel->unlikeEvent($GLOBALS['userId'], $this->params['eventId']);
$this->returnData = $this->userModel->get($GLOBALS['userId']);
$this->userLog($GLOBALS['userId'], __CLASS__ . '/' . __FUNCTION__, serialize($this->params));
F::rest()->show_result($this->returnData[0]['nickname']);
}