php artisan tinker (null)有很多

Question

Region.php

<?php

namespace App;

use Illuminate\Database\Eloquent\Model;

class Region extends Model
{
    protected $fillable = ['region'];

    public function passport()
    {
      return $this->hasMany('App\passport');
    }
}

passport.php

<?php

namespace App;

use Illuminate\Database\Eloquent\Model;

class passport extends Model
{
    protected $table = 'passport';
    protected $fillable = ['name', 'no_pass', 'negara', 'city', 'image', 'regions_id'];

    public function region()
    {
      return $this->belongsTo('App\region');
    }
}

Answer 1

你的模型应该是这样的

public function passports()
{
  return $this->hasMany('App\passport','regions_id','id');
}

执行此命令

composer dump-autoload

然后执行artisan命令

$region = \App\Region::find(1);
$region->passports;