Java 格式化json为json树

/**
     * @param treeList      数据
     * @param parentIdValue 父级值
     * @param parentIdFiled 父级字段名称
     * @param idFiled       子级字段名称
     * @Description json转jsonTree
     * @Author dongjd
     * @Date 19-1-11 下午5:38
     * @Return com.alibaba.fastjson.JSONArray
     */
    public static JSONArray jsonTreeFormat(List<Map<String, Object>> treeList, String parentIdValue, String parentIdFiled, String idFiled) {
        JSONArray childMenu = new JSONArray();
        treeList.stream().map(map -> JSONObject.parseObject(JSON.toJSONString(map))).forEach(jsonMenu -> {
            String menuId = jsonMenu.getString(idFiled);
            String pid = jsonMenu.getString(parentIdFiled);
            if (parentIdValue.equals(pid)) {
                JSONArray childList = jsonTreeFormat(treeList, menuId, parentIdFiled, idFiled);
                jsonMenu.put("childList", childList);
                childMenu.add(jsonMenu);
            }
        });
        return childMenu;
    }

参考资料[1]:https://blog.csdn.net/jianxia801/article/details/82771346

/**
 * @param treeList      数据
* @param parentIdValue 父级值
* @param parentIdFiled 父级字段名称
* @param idFiled       子级字段名称
* @Description json转jsonTree
 * @Author dongjd
 * @Date 19-1-11 下午5:38
 * @Return com.alibaba.fastjson.JSONArray
 */
public static JSONArray jsonTreeFormat(List<Map<String, Object>> treeList, String parentIdValue, String parentIdFiled, String idFiled) {
    JSONArray childMenu = new JSONArray();
treeList.stream().map(map -> JSONObject.parseObject(JSON.toJSONString(map))).forEach(jsonMenu -> {
        String menuId = jsonMenu.getString(idFiled);
String pid = jsonMenu.getString(parentIdFiled);
        if (parentIdValue.equals(pid)) {
            JSONArray childList = jsonTreeFormat(treeList, menuId, parentIdFiled, idFiled);
jsonMenu.put("childList", childList);
childMenu.add(jsonMenu);
}
    });
    return childMenu;
}