baoshi-was/app/UserDutyCheck.php

<?php

namespace App;

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

class UserDutyCheck extends Model
{

    use ModelTimeFormat;
    public $timestamps=false;

    protected $fillable=[
        'user_id','checked_at','confirmed_by','type','source','workgroup_id'
    ];

    public function userDetail(){
        return $this->belongsTo('App\UserDetail','user_id','user_id');
    }

    public function userLabor(){
        return $this->belongsTo('App\UserLabor','user_id','user_id');
    }
    public function userWorkgroup(){
        return $this->belongsTo('App\UserWorkgroup','workgroup_id','id');
    }

}