tree_page_category_key, function () { return $this->getSonCategoryList(); }, 86400) ?: []; } /** * tree分类列表 * @param int $pid * @param string $parent_name * @return array * @throws \think\db\exception\DataNotFoundException * @throws \think\db\exception\DbException * @throws \think\db\exception\ModelNotFoundException */ public function getSonCategoryList($pid = 0) { $list = $this->dao->getList(['pid' => $pid], 'id,pid,type,name'); $arr = []; if ($list) { foreach ($list as $item) { $item['title'] = $item['name']; $item['expand'] = true; $item['children'] = $this->getSonCategoryList($item['id']); $arr [] = $item; } } return $arr; } }