/**	 * 	 * @param rootList 根结点	 * @param listAll  所有结点	 * @param parentId 父子组织关系依赖属性	 * @return 返回树形字符串	 */	public String getTree(List
     rootList, List
     listAll, String parentId) {		JSONArray jsonRootList = JSONArray.fromObject(rootList);		JSONArray jsonListAll = JSONArray.fromObject(listAll);		// 初始化根节点的等级		for (int i = 0; i < jsonRootList.size(); i++) {			jsonRootList.getJSONObject(i).put("treeLevel", 1);		}		getTreeChildren(jsonRootList, jsonListAll, parentId);		return jsonRootList.toString();	}/***********	 * 递归获取子节点	 * 	 * @param tree	 * @param listAll	 */	//@Override	private void getTreeChildren(JSONArray tree, JSONArray listAll,			String parentId) {		for (int i = 0; i < tree.size(); i++) {			JSONObject node = tree.getJSONObject(i);			JSONArray children = new JSONArray();			for (int j = 0; j < listAll.size(); j++) {				JSONObject jsonObject = listAll.getJSONObject(j);				if (jsonObject.getInt(parentId) == node.getInt("id")) {//是子节点					jsonObject.put("treeLevel", node.getInt("treeLevel") + 1);//节点等级					children.add(jsonObject);				}			}			if (children.size() > 0) {				node.put("spread", true);// 展开子节点				node.put("children", children);//加入子节点				//递归获取子节点				getTreeChildren(node.getJSONArray("children"), listAll,						parentId);			}		}