jquery easyui 授权树递归实现（部分Java代码）

/**
	 * 点击角色树子节点获取的所有功能权限树
	 * @param roleID
	 * @return
	 */
	public List<TreeNode> getRoleRightManageTree(int roleID) {
		List<TreeNode> treeNodeList = new ArrayList<TreeNode>();
		TreeNode rootNode = new TreeNode("root","所有功能");//根节点
		List<TreeNode> fistTreeNodeList=new ArrayList<TreeNode>();//功能组上级节点
		List<FuncGroup> firstFuncGroupList=getFirstFuncGroup();//拿到一级树的id和name
		for(FuncGroup fGroup:firstFuncGroupList){
			TreeNode firstFuncGroupNode = new TreeNode("firstFuncGroup" + fGroup.getGroupID(), fGroup.getGroupName());
			firstFuncGroupNode.setIconCls("icon-line");
			fistTreeNodeList.add(firstFuncGroupNode);
			recurrenceFuncGroups(roleID,firstFuncGroupNode, fGroup);
		}
		rootNode.setChildren(fistTreeNodeList);
		treeNodeList.add(rootNode);
		return treeNodeList;
	}
	/**
	 * 角色管理——递归功能组
	 * @param roleID
	 * @param treeNode
	 * @param funcGroup
	 */
	public void recurrenceFuncGroups(int roleID, TreeNode treeNode,FuncGroup funcGroup) {
		List<TreeNode> treeNodeFuncGroupList = new ArrayList<TreeNode>();
		List<FuncGroup> funcGroupList=getFuncGroupFromGroupList(funcGroup.getGroupID());
		if(funcGroupList.size()>0){
			for(FuncGroup fGroup : funcGroupList){
				TreeNode funcGroupNode = new TreeNode("funcGroup" + fGroup.getGroupID(), fGroup.getGroupName());
				funcGroupNode.setIconCls("icon-folder");
				treeNodeFuncGroupList.add(funcGroupNode);
				recurrenceFuncGroups(roleID,funcGroupNode, fGroup);
			}
		}
		List<TreeNode> functionNodeList = new ArrayList<TreeNode>();// 功能节点
		List<Function> functionList = getFunctionList(funcGroup.getGroupID());//获取所有功能
		if (functionList.size() > 0) {
			for (Function function : functionList) {
				TreeNode functionNode = new TreeNode("function_"+ function.getFunctionID(), function.getFunctionName());
				functionNode.setIconCls("icon-line");
				functionNodeList.add(functionNode);
				List<RoleFunctionRelation> roleFunctionList = getRoleFunctionListByRoleID(roleID);
				for (RoleFunctionRelation roleFunctionRelation : roleFunctionList) {
					if (function.getFunctionID() == roleFunctionRelation.getFunctionID()) {
						functionNode.setChecked(true);
					}
				}
				treeNodeFuncGroupList.add(functionNode);
			}
		}
		if(treeNodeFuncGroupList.size()>0){
			treeNode.setChildren(treeNodeFuncGroupList);
		}
		
	}