/*
     * 删除视频信息
     * @param    $id
     */
    public function del_player($id=0) {
        if ($id==0 || empty($id)){
            $this->flash("参数错误,请确认操作.","javascript:history.go(-1);");
        }else{
            $movie_info=$this->players->check_player_id($id);
            if ($movie_info){
                $this->list_player();
                   $this->render(null, null, 'list_player');
            }else{
                $this->flash("参数错误,请确认操作.","javascript:history.go(-1);");
//或者   $this->Session->setFlash('参数错误,请确认操作.', 'default', array('class' => 'type_class'))
            }
        }
    }