PerModel.usr_userView model = Cache["BasePage_userModel"] as PerModel.usr_userView;//从缓存中读取数据
                if (model == null)
                {
                    string[] tableName = new string[] { "Usr_User", "Per_Dictionary", "Architecture" };
                    AggregateCacheDependency aggregateDependency = new AggregateCacheDependency();//实例化AggregateCacheDependency，用于多个实例SqlCacheDependency的加载
                    model = userBll.GetUserInfo(Session["UserId"].ToString());
                    foreach (string table in tableName)
                    {
                        aggregateDependency.Add(new SqlCacheDependency("NewOA", table));//把依赖实例加载到数组中 
                    }
                    if (model != null)
                    {
                        Cache.Insert("BasePage_userModel", model, aggregateDependency);//添加到缓存中
                    }
                }
                if (model != null)
                {
                    UserID = model.ID;
                    UserLoginName = model.UserId;
                    UserRealName = model.UserName;
                    DepartmentID = model.Org;
                    DepartmentName = model.OrgName;
                 
                }
 }