public function update(Request $request, Product $product, Image $image)
{
DB::transaction(function () use($request, $product, $image) {
$order = $image->order;
$image->delete();
$newImage = $product->addMedia($request->file('image'))->toMediaLibrary();
$newImage->order = $order;
$newImage->save();
});
$this->flashSuccess('edit');
return response('修改成功');
}
