hainan/app/Models/Demand.php

<?php

namespace App\Models;

use Dcat\Admin\Traits\HasDateTimeFormatter;
use Illuminate\Database\Eloquent\SoftDeletes;
use Illuminate\Database\Eloquent\Model;

class Demand extends BaseModel
{
	use HasDateTimeFormatter;
    use SoftDeletes;

    protected $table = 'demand';

    public function publisher()
	{
		return $this->morphTo();
	}

	public function biddingUser()
	{
		return $this->morphTo();
	}
}