kaoshi/application/api/controller/Index.php

<?php

namespace app\api\controller;

use app\common\controller\Api;
use think\Db;
/**
 * 首页接口
 */
class Index extends Api
{
    protected $noNeedLogin = ['*'];
    protected $noNeedRight = ['*'];

    /**
     * 首页
     *
     */
    public function index()
    {
        //热门试卷列表
        $now    = time();
        $papers = Db::name('exam_paper')->field('id,image,title,start_time,end_time,total_score,limit_time')
            ->where('status', 'NORMAL')
            ->where('index_status', 1)
            ->limit(3)
            ->select();

        foreach($papers as $key => &$val){
            $val['image'] = localpath_to_netpath($val['image']);
            $val['limit_time'] = $val['limit_time']/60; //秒转换分种
        }

        $this->success('', $papers);
    }

}