/// <summary>
        /// 添加角色(同时添加用户，一个数据库事务里进行处理)
        /// </summary>
        /// <param name="userInfo">用户</param>
        /// <param name="entity">实体</param>
        /// <param name="userIds">用户主键数组</param>
        /// <param name="statusCode">返回状态码</param>
        /// <param name="statusMessage">返回状态信息</param>
        /// <returns>主键</returns>
        public string AddWithUser(BaseUserInfo userInfo, BaseRoleEntity entity, string[] userIds, out string statusCode, out string statusMessage)
        {
            var parameter = ServiceParameter.CreateWithMessage(userInfo
                , MethodBase.GetCurrentMethod()
                , this.serviceName
                , AppMessage.RoleService_Add);

            string result = string.Empty;
            string returnCode = string.Empty;
            string returnMessage = string.Empty;
            ServiceUtil.ProcessUserCenterWriteDbWithTransaction(userInfo, parameter, (dbHelper) =>
            {
                // 这里是判断已经登录的用户是否有调用当前函数的权限，加强服务层被远程调用的安全性的
                var permissionManager = new BasePermissionManager(userInfo);
                if (permissionManager.CheckPermissionByUser(userInfo.Id, "RoleAdmin.Add", "添加角色"))
                {
                    string tableName = userInfo.SystemCode + "Role";
                    var manager = new BaseRoleManager(dbHelper, userInfo, tableName);
                    result = manager.Add(entity, out returnCode);
                    if (!string.IsNullOrEmpty(result) && userIds != null && userIds.Length > 0)
                    {
                        tableName = userInfo.SystemCode + "UserRole";
                        var userManager = new BaseUserManager(dbHelper, userInfo, tableName);
                        // 小心异常，检查一下参数的有效性
                        if (userIds != null)
                        {
                            userManager.AddToRole(userIds, result);
                        }
                    }
                    returnMessage = manager.GetStateMessage(returnCode);
                }
            });
            statusCode = returnCode;
            statusMessage = returnMessage;
            return result;
        }