public function newsdetail() {
$this->assign( "nav", 2 );
$id = Request::instance()->param( "id" );
$data = Db::name( 'article' )->where( "id", $id )->find();
$content = Db::name( 'article_content' )->where( "artid", $data[ "id" ] )->find();
$data[ "content" ] = $this->keyword_replace(stripslashes($content[ "content" ]), $this->tags(), 'https://www.dtx.net.cn/newsdetail/');
$cate = Db::name( 'category' )->where( "pid", 2 )->field( "id,name,pid,sort,alias" )->order( 'sort ASC,id ASC' )->select();
$cateName = Db::name( 'category' )->where( "id", $data[ "id" ] )->field( "name" )->find();
//dump($cateName);
//dump($data["cate_id"]);
//exit;
$cateId = Db::name( 'article' )->where( "id", $data[ "id" ] )->field( "cate_id" )->find();
//页面顶部新闻
$lists = Db::name( 'article' )->alias( 'a' )->where( 'cate_id=20' )->join( "tp_article_content c", "a.id = c.artid" )->field( "a.id,a.title,a.keywords,a.cate_id,a.create_name,a.edit_name,a.input_time,a.edit_time, a.thum_image,a.click,c.content" )->order( 'weight asc, id desc' )->paginate( 10 );
$this->assign( 'lists', $lists );