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

    public function update(Request $request, $id)
    {
        //
        $this->validate($request, ['ueditor' => 'required']);
        $page = Page::find($id);
        $page->content = Input::get('ueditor');
        $page->user_id = Auth::user()->id;
        if ($page->save()) {
            return Redirect::to('admin/page');
        } else {
            return Redirect::back()->withInput()->withErrors('保存失败！');
        }
    }