baoshi-was/app/WorkOrderLog.php

<?php

namespace App;

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

use App\Traits\ModelLogChanging;
use Illuminate\Database\Eloquent\Relations\BelongsTo;

class WorkOrderLog extends Model
{
//    use ModelLogChanging;
    use ModelTimeFormat;

    protected $fillable = ['work_order_id','content','type','creator_id'];

    static public $enums = [
        'type' => [
            '' => 0,
            '创建' => 1,
            '处理' => 2,
            '完结' => 3,
        ],
    ];

    function __construct(array $attributes = [])
    {
        foreach (self::$enums as &$enum) {
            $enum = $enum + array_flip($enum);
        }
        parent::__construct($attributes);
    }

    public function getTypeAttribute($value)
    {
        if (!$value) return '';
        return self::$enums['type'][$value];
    }

    public function setTypeAttribute($value)
    {
        if (!$value) return;
        if (is_numeric($value)) {
            $this->attributes['type'] = $value;
        } else {
            $this->attributes['type'] = self::$enums['type'][$value];
        }
    }

    public function workOrder(): BelongsTo
    {
        return $this->belongsTo(WorkOrder::class);
    }

    public function creator(): BelongsTo
    {
        return $this->belongsTo(User::class);
    }
}