在laravel中通过一对一关系插入数据

namespace App;

use Illuminate\Database\Eloquent\Model;

class User extends Model
{
    public function profile()
    {
        return $this->hasOne(Profile::class);
    }
}

namespace App;

use Illuminate\Database\Eloquent\Model;

class Profile extends Model
{
    public function user()
    {
        return $this->belongsTo(User::class);
    }
}

use App\User;
use App\Profile;

$user = new User;
$user->name = 'John Doe';
$user->email = 'john@example.com';
$user->save();

$profile = new Profile;
$profile->address = '123 Main St';
$profile->phone = '123-456-7890';

$user->profile()->save($profile);