/**
   * 创建权限
   *
   * @param permissionCreateVO
   * @return
   */
  public ResultVO cratePermission(PermissionCreateVO permissionCreateVO) {
    ResultVO resultVO = new ResultVO(true);
    // 所有权限
    List<Permission> permissionList = permissionDao.selectAll();
    // 查看父级权限是否存在
    Integer parentId = permissionCreateVO.getParentId();
    if (parentId != null) {
      Permission permission = permissionDao.get(permissionList, parentId.intValue());
      if (permission == null) {
        resultVO.setOk(false);
        resultVO.setMsg("父级权限不存在");
        return resultVO;
      }
    }
    // 判断权限键值是否存在
    if (isKeyExist(permissionList, permissionCreateVO.getKey())) {
      resultVO.setOk(false);
      resultVO.setMsg("权限键值已存在");
      return resultVO;
    }

    Permission permission = new Permission();
    permission.setKey(permissionCreateVO.getKey());
    permission.setName(permissionCreateVO.getName());
    permission.setParentId(permissionCreateVO.getParentId());
    permission.setOrder(permissionCreateVO.getOrder());
    permissionDao.createPermission(permission);

    resultVO.setMsg("权限创建成功");
    return resultVO;
  }