'public' => [
      'driver' => 'local',
      'root' => storage_path('app/public'),
      'url' => env('APP_URL').'/storage',
      'visibility' => 'public',
    ],

php artisan storage:link

class UploadController extends Controller
{
  public function upload()
  {
    $imgs = [];
    if (request()->hasFile('file')){
      foreach (request()->file('file') as $file){
      //将图片存储到了 ../storage/app/public/product/ 路径下
        $path = $file->store('public/product');
        $path = str_replace('public','',$path);
        $imgs[]= asset('storage/'.$path);
      }
       return response()->json([
          'errno'=>0,
          'data'=>$imgs
        ]);
    }else{
      return response()->json([
        'info'=>'没有图片'
      ]);
    }
    //处理多图上传并返回数组
  }
}