tree在json文件中有一個expanded屬性,修改tree樹的展開摺疊狀況。(默認摺疊)json
如部分代碼:bash
{ "icon": "※", "name": "增刪改查", "expanded": true, "children": [{ "icon": "※", "name": "人員管理" }] }複製代碼
此節點保持展開狀態spa