hainan/app/Models/DemandBidding.php

<?php

namespace App\Models;

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

class DemandBidding extends BaseModel
{
	use HasDateTimeFormatter;
    use SoftDeletes;

    protected $table = 'demand_bidding';

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

	public function demand()
	{
		return $this->belongsTo(Demand::class,'demand_id','id');
	}
}