WkMessage/application/api/controller/AppIndex.php

<?php

namespace app\api\controller;

use app\common\controller\Api;
use think\Db;

/**
 * 首页接口
 */
class AppIndex extends Api
{
    protected $noNeedLogin = ['*'];
    protected $noNeedRight = ['*'];

    /**
     * 首页
     *
     */
    public function getBanner()
    {

        $where['status']=1;
        $banner = Db::name('message_read')->where($where)->select();
    }
}