App\Http\Controllers\Backend\NewsController::update PHP Method

    public function update(NewsUpdateRequest $request, $id)
    {
        if ($this->news->update($request->newsFillData(), $id)) {
            // Log::info('update...'. Input::get('tags'));
            // $tags = Input::get('tags') ? array_map('trim', explode(',', Input::get('tags'))) : [];
            // $news->syncTags($tags);
            return Redirect::to('admin/news');
        } else {
            return Redirect::back()->withInput()->withErrors('保存失败！');
        }
    }