header('商品分类') ->description('') ->row(function (Row $row) { // 只能在同一级排序拖动，不允许二级 $row->column(6, Category::tree(function (Tree $tree) { $tree->disableCreate(); $tree->nestable(['maxDepth' => 1]) ->branch(function ($branch) { $icon = ""; return $icon . ' ' . $branch['title']; }); })); // 新建表单 $row->column(6, function (Column $column) { $form = new \Encore\Admin\Widgets\Form(); $form->action(admin_base_path('categories')); $form->text('title', '分类名')->rules('required|unique:categories,title'); $form->icon('icon', '图标')->default('fa-bars')->rules('required'); $form->image('thumb', '缩略图')->uniqueName()->rules('required'); $form->hidden('_token')->default(csrf_token()); $column->append((new Box('新增', $form))->style('success')); }); }); } /** * Show interface. * * @param mixed $id * @param Content $content * @return Content */ public function show($id, Content $content) { return $content ->header('详情') ->description('') ->body($this->detail($id)); } /** * Edit interface. * * @param mixed $id * @param Content $content * @return Content */ public function edit($id, Content $content) { return $content ->header('编辑') ->description('') ->body($this->form()->edit($id)); } /** * Make a show builder. * * @param mixed $id * @return Show */ protected function detail($id) { $show = new Show(Category::findOrFail($id)); $show->field('id'); $show->field('title', '分类名'); $show->field('thumb', '缩略图')->unescape()->as(function ($thumb) { return image($thumb); }); $show->field('description', '描述'); $show->field('order', '排序'); $show->field('created_at', '创建时间'); $show->field('updated_at', '修改时间'); return $show; } /** * Make a form builder. * * @return Form */ protected function form() { $form = new Form(new Category); $form->text('title', '分类名'); $form->icon('icon', '图标'); $form->image('thumb', '缩略图'); $form->text('description', '描述'); $form->saving(function (Form $form) { if (app()->environment('dev')) { admin_toastr('开发环境不允许操作', 'error'); return back()->withInput(); } }); return $form; } /** * 分类下有商品，不允许删除 * * @param $id * @return \Illuminate\Http\JsonResponse */ public function destroy($id) { if (app()->environment('dev')) { return response()->json(['status' => false, 'message' => '开发环境不允许操作']); } /** * @var $category Category */ $category = Category::query()->findOrFail($id); if ($category->products()->exists()) { return response()->json(['status' => false, 'message' => '分类下有商品存在，不允许删除']); } if ($category->delete()) { $data = [ 'status' => true, 'message' => trans('admin.delete_succeeded'), ]; } else { $data = [ 'status' => false, 'message' => trans('admin.delete_failed'), ]; } return response()->json($data); } /** * 商品下拉列表 * * @param Request $request * @return \Illuminate\Support\Collection */ public function getProducts(Request $request) { $id = $request->get('q'); $category = Category::query()->findOrFail($id); // 尽量促销卖得少的商品 return $category->products()->orderBy('sale_count', 'desc')->get(['id', 'name as text']); } }