baoshi-was/app/StationTaskBatch.php

<?php

namespace App;

use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\HasOne;

class StationTaskBatch extends Model
{
    protected $fillable=['batch_id','station_id','station_task_batch_type_id','status'];

    public function batch()
    {   //波次
        return $this->hasOne(Batch::class,"id","batch_id");
    }
}