ris_dm/server/application/api/model/register/RegisterModel.php

<?php
namespace app\api\model\register;

use app\api\model\ZskkDefaultModel;
use think\facade\Log;


class RegisterModel extends ZskkDefaultModel {
    protected $table= 'register';
    protected $logName = "RegisterModel";
    protected $model = null;

    public function getRegisterId($id)
    {
        $id = $this->where('exam_id',$id)->value('id');
        return $id;
    }
}