bike-admin/app/Models/Questions.php

<?php

namespace App\Models;

use App\Traits\ModelHelpers;
use Illuminate\Database\Eloquent\Model;

class Questions extends Model
{
    use ModelHelpers;
    //
    protected $table = "questions";

    const READ_YES = 1;
    const READ_NO = 0;

    public static $readMaps = [
        self::READ_NO => '未读',
        self::READ_YES => '已读',
    ];

    public function users(){
        return $this->belongsTo(User::class,'user_id','id');
    }
}