jstree默认展开

Controller

//组织架构
    public function index()
    {

        header("content-type:text/html;charset=utf-8");

        $company_id = I('company_id');
        $categories = M()->query("select id,name as text,org_parent_id from company_org where company_id = '$company_id' and state !=2");// company_id = '$company_id'
        //,org_level,org_parent_id,company_id,department_manager_id,fanli_money_percent
        //var_dump($categories);die();


        /*======================非递归实现========================*/
        $tree = array();
        //第一步，将分类id作为数组key,并创建children单元
        foreach ($categories as $category) {
            $tree[$category['id']] = $category;
            $tree[$category['id']]['children'] = array();
        }
        //第二步，利用引用，将每个分类添加到父类children数组中，这样一次遍历即可形成树形结构。
        foreach ($tree as $key => $item) {
            if ($item['org_parent_id'] != 0) {
                $tree[$item['org_parent_id']]['children'][] = &$tree[$key];//注意：此处必须传引用否则结果不对
                //$tree['children'][] = &$tree[$key];//注意：此处必须传引用否则结果不对
                /*
                if($tree[$key]['children'] == null){
                    unset($tree[$key]['children']); //如果children为空，则删除该children元素（可选）
                }
                */
            }
        }
        ////第三步，删除无用的非根节点数据
        foreach ($tree as $key => $category) {
            if ($category['org_parent_id'] != 0) {
                unset($tree[$key]);
            }
        }


        apiReturnMsg(1, '组织架构', $tree);
    }

Html JS遍历

//默认打开树，本例为特殊处理，给结构中state为0的下划线标注