$id = input('id');
$all = array();
$alldata = array();
$news = Db('news')->where('id',$id)->find();
$data = Db('news')->field('id,title')->where(['cid'=>$news['cid'],'deletetime'=>null,'status'=>1])->order('weigh desc,createtime desc')->select();
foreach ($data as $k => $v) {
$all[$k] = $v['id'];
$alldata[$k] = $v['title'];
}
$key = array_keys($all,$id)[0];
$lenght = count($all)-1;
$this->view->assign('news',$news);
$this->view->assign('key',$key);
$this->view->assign('all',$all);
$this->view->assign('alldata',$alldata);
$this->view->assign('lenght',$lenght);
return $this->view->fetch();
}