# Vue3.0高阶实战：开发高质量音乐Web app > V: ititit111222333

> V: ititit111222333

(= = = )
()
IMOOCJSONResult ((= = = )
                                          () Integer root) {

    (Objects.(root)) {
        IMOOCJSONResult.()}
    List<CategoryVO> categoriesString rootCategory = .get()(StringUtils.(rootCategory)) {
        categories = .getSubCategoryList(root).set(JsonUtils.(categories))} {
        categories = JsonUtils.(rootCategoryCategoryVO.)}
    IMOOCJSONResult.(categories)}

标签：Web,ititit111222333,app,IMOOCJSONResult,root,categories
来源： https://blog.51cto.com/u_15063244/2872511