demo/database/Model/News.php

<?php
namespace Demo\Database\Model;
use Dever;
/**
 * 文章model兼容类，直接替换database/news里的request方法，必须是静态方法
 */
class News
{
	private static $name = 'news_list';

	public static function all($param)
	{
		$data = Dever::db('old')->fetchAll('select * from ' . self::$name . ' limit 10');
		echo Dever::sql();
		print_r($data);die;

		return $data;
	}
}