$info=Db::table('tb_offer')->where('id',$id)->find();
$this->view->assign('banner',$banner);
$this->view->assign('channel',$channel);
$info['datetime']=date("Y-m-d",strtotime($info['datetime']));
$this->view->assign('info',$info);
$next = Db::table('tb_offer')
->where('id','<>',$id)
->where('weigh','<=',$info['weigh'])
->where('datetime','<=',$info['datetime'])
->order("weigh DESC,datetime DESC")
->limit(1)->find();
$info['datetime']=date("Y-m-d",strtotime($next['datetime']));
$this->view->assign('next',$next);
$prev = Db::table('tb_offer')
->where('id','<>',$id)
->where('weigh','>=',$info['weigh'])
->where('datetime','>=',$info['datetime'])