通用权限管理系统如何进行角色判断

        #region  public static List<BaseRoleEntity> GetCacheRoleList(BaseUserInfo userInfo, bool refreshFlag = false)  获取用户角色  缓存
        /// <summary>
        /// 获取用户角色  缓存
        /// </summary>
        /// <param name="userInfo"></param>
        /// <param name="refreshFlag"></param>
        /// <returns></returns>
        public static List<BaseRoleEntity> GetCacheRoleList(BaseUserInfo userInfo, bool refreshFlag = false)
        {
            string cacheKey = "GetRoleList" + userInfo.Id;
            if (refreshFlag)
            {
                DataCacheHelper.RemoveCache(cacheKey);
            }
            if (null == DataCacheHelper.GetCache(cacheKey))
            {
                lock (objLock)
                {
                    if (null == DataCacheHelper.GetCache(cacheKey))
                    {
                        try
                        {
                            WebClient webClient = new WebClient();
                            NameValueCollection postValues = new NameValueCollection();
                            postValues.Add("Function", "GetUserRoleList");
                            postValues.Add("UserInfo", userInfo.Serialize());//BaseSystemInfo.UserInfo.Serialize()
                            postValues.Add("userId", userInfo.Id);//BaseSystemInfo.UserInfo.Serialize()
                            // 向服务器发送POST数据
                            byte[] responseArray = webClient.UploadValues(userRoleServiceURL, postValues);
                            string response = Encoding.UTF8.GetString(responseArray);
                            List<BaseRoleEntity> list;
                            if (!string.IsNullOrEmpty(response))
                            {
                                list = javaScriptSerializer.Deserialize<List<BaseRoleEntity>>(response);
                                DataCacheHelper.SetCache(cacheKey, list, null, DateTime.Now.AddMinutes(120), Cache.NoSlidingExpiration, CacheItemPriority.NotRemovable, null);
                            }
                        }
                        catch (Exception ex)
                        {
                            LogHelper.WriteSmtp(userInfo.UserName + "获取用户角色时出错", ex);
                            LogHelper.OracleWarn(userInfo, "获取用户角色时出错", userInfo.UserName + "获取用户角色时出错", "GetCacheRoleList(BaseUserInfo userInfo, bool refreshFlag = false)", typeof(UserHelp), ex);
                        }
                    }
                }
            }
            return DataCacheHelper.GetCache(cacheKey) as List<BaseRoleEntity>;
        }
        #endregion

        #region public static bool HasRole(BaseUserInfo userInfo, string roleName) 判断某个用户是否有某个角色
        /// <summary>
        /// 判断某个用户是否有某个角色
        /// </summary>
        /// <param name="userInfo"></param>
        /// <param name="roleName"></param>
        /// <returns></returns>
        public static bool HasRole(BaseUserInfo userInfo, string roleName)
        {
            bool hasRole = false;
            List<BaseRoleEntity> roleEntits = GetCacheRoleList(userInfo);
            for (int i = 0; i < roleEntits.Count; i++)
            {
                if (roleEntits[i].RealName == roleName)
                {
                    hasRole = true;
                    break;
                }
            }
            return hasRole;
        }
        #endregion

    public class RoleCode
    {
        /// <summary>
        /// 系统管理员
        /// </summary>
        public const string Admin = "Admin";

        /// <summary>
        /// 系统测试人员
        /// </summary>
        public const string Tester = "Tester";

        /// <summary>
        /// 业务主管
        /// </summary>
        public const string BusinessAdmin = "BusinessAdmin ";

    }