beauti-nof/application/common/model/MobileId.php

<?php

namespace app\common\model;

use think\Model;

/**
 * 邮箱验证码
 */
class MobileId Extends Model
{
    protected $name='mobileid';
    public static function notExists(){
        return self::whereNotExists("select id from mobile where mobile.id=mobileid.id");
    }
}