baoshi-was/app/Logistic.php

<?php

namespace App;

use Illuminate\Database\Eloquent\Builder;
use Illuminate\Database\Eloquent\Model;

/**
 * @method static Builder orderBy(string $string, string $string1)
 */use App\Traits\ModelTimeFormat;

use App\Traits\ModelLogChanging;
use Illuminate\Database\Eloquent\Relations\BelongsToMany;
use Illuminate\Database\Eloquent\SoftDeletes;

class Logistic extends Model
{
    use ModelLogChanging;
    use SoftDeletes;
    use ModelTimeFormat;
    protected $fillable = ['name','code',"type","mobile","remark","delivery_fee","is_bunched","english_name",'belong_company',"tag"];

    const TAGS=[
        0 => "专线",
        1 => "直发车",
        2 => "德邦物流",
    ];

    static function nameById($id){
        $logistic=Logistic::where('id',$id)->first();
        return $logistic?$logistic['name']:'';
    }

    public function ownerPriceExpresses()
    {
        return $this->belongsToMany(OwnerPriceExpress::class,"owner_price_express_logistic","logistic_id","owner_price_express_id");
    }

    public function getTagAttribute($value):string
    {
        if ($value==="" || $value===null)return "";
        $tag = explode(",",$value);
        foreach ($tag as &$t)$t = self::TAGS[$t];
        return implode(",",$tag);
    }

    public function users():BelongsToMany
    {   //用户
        return $this->belongsToMany(User::class,"logistic_user","logistic_id","user_id");
    }
}