PHP：laravel文件上传和外部访问

<?php
namespace App\Http\Controllers;
use App\Http\Controllers\Controller;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Config;
class FileController extends Controller
{
    /**
     * 文件上传
     *
     * @param  \Illuminate\Http\Request  $request
     * @return \Illuminate\Http\Response
     */
    public function uploadFile(Request $request)
    {
        $path = $request->file('file')->store('upload');
        return [
            'url' => Config::get('app.url') . '/' . $path,
        ];
    }
}

return [
    'links' => [
        // public_path('storage') => storage_path('app/public'),
        // 配置软链：public/upload -> storage/app/upload
        public_path('upload') => storage_path('app/upload'),
    ],
];

php artisan storage:link