tingwu/app/demo/controller/M.php

<?php
/**
 * Created by PhpStorm.
 * User: 97
 */

namespace app\demo\controller;

use app\BaseController;
use app\common\business\Demo;
class m extends BaseController{

    public function index(){
        $categoryId = $this->request->param("category_id",0,"intval");
        if(empty($categoryId)){
            return show(config("status.error"),"参数错误");
        }
        $demo = new Demo();
        $results = $demo->getDemoDataByCategoryId($categoryId);

        return show(config("status.success"),"ok",$results);

        //初学者 处理放在一个位置的方式
//  //use app\common\model\mysql\Demo;
//        //调取数据表对应的的 model   ------ 在转移到 business 层
//        $model = new Demo();
//        $results = $model->getDemoDataByCategoryId($categoryId);
//
//        if(empty($results)){
//            return show(config("status.error"),"数据为空");
//        }
//        $cagegorys = config("category");
//        foreach ($results as $key=>$result){
//            $results[$key]['categoryName'] = $cagegorys[$result['category_id']] ?? '--';
//        }
//        return show(config("status.success"),"ok",$results);
    }


}