来自2个表的手机品牌和手机型号的Laravel嵌套查询

<?php

namespace App;

use Illuminate\Database\Eloquent\Model;

class Brand extends Model
{
    public function models()
    {
        return $this->hasMany('App\Model');
    }
}

<?php

namespace App;

use Illuminate\Database\Eloquent\Model;

class Model extends Model
{
    public function brand()
    {
        return $this->belongsTo('App\Brand');
    }
}

$brands = Brand::with('models')->get();

foreach ($brands as $brand) {
    echo "品牌：" . $brand->name . "\n";
    
    foreach ($brand->models as $model) {
        echo "型号：" . $model->name . "\n";
    }
}