/// <summary> /// 从IIS缓存中获取指定Id记录 /// </summary> /// <param name="id">主键Id</param> /// <returns>DataAccess.Model.UploadType</returns> public DataAccess.Model.UploadType GetModelForCache(long id) { try { //从缓存中读取指定Id记录 var model = GetModelForCache(x => x.Id == id); if (model == null) { //从数据库中读取 var tem = UploadType.SingleOrDefault(x => x.Id == id); if (tem == null) { return(null); } else { //对查询出来的实体进行转换 model = Transform(tem); return(model); } } else { return(model); } } catch (Exception e) { //记录日志 CommonBll.WriteLog("从IIS缓存中获取UploadType表记录时出现异常", e); return(null); } }
/// <summary> /// 获取指定Id记录 /// </summary> /// <param name="id">主键Id</param> /// <param name="isCache">是否从缓存中读取</param> /// <returns>DataAccess.Model.UploadType</returns> public DataAccess.Model.UploadType GetModel(long id, bool isCache = true) { //判断是否使用缓存 if (CommonBll.IsUseCache() && isCache) { //从缓存中获取List var list = GetList(); if (list == null) { return(null); } else { //在List查询指定主键Id的记录 return(list.SingleOrDefault(x => x.Id == id)); } } else { //从数据库中直接读取 var model = UploadType.SingleOrDefault(x => x.Id == id); if (model == null) { return(null); } else { //对查询出来的实体进行转换 return(Transform(model)); } } }
/*********************************************************************** * 自定义函数 * ***********************************************************************/ #region 自定义函数 #region 取得属性 /// <summary>取得 Ext</summary> /// <param name="typeKey"></param> /// <returns></returns> private string Get_Ext(string typeKey) { if (typeKey.Length == 0) { return(""); } var model = UploadType.SingleOrDefault(x => x.TypeKey == typeKey); return(model.Ext); //return SqlHelper.ExecuteScalarToStr("select top 1 Ext from UploadType where Key='" + typeKey.ToString() + "'"); }
/// <summary> /// 获取Name字段值 /// </summary> /// <param name="page">当前页面指针</param> /// <param name="pkValue">主键Id</param> /// <param name="isCache">是否从缓存中读取</param> /// <returns></returns> public string GetName(Page page, int pkValue, bool isCache = true) { //判断是否启用缓存 if (isCache && CommonBll.IsUseCache()) { //从缓存中获取实体 var model = GetModelForCache(pkValue); return(model == null ? "" : model.Name); } else { //从数据库中查询 var model = UploadType.SingleOrDefault(x => x.Id == pkValue); return(model == null ? "" : model.Name); } }
/// <summary>使用Key来查询,获取一个UploadType实体对象</summary> /// <param name="page">当前页面指针</param> /// <param name="key">Key值</param> /// <param name="isCache">是否从缓存中读取</param> /// <returns>DataAccess.Model.UploadType 实体</returns> public DataAccess.Model.UploadType GetModel_ByTypeKey(Page page, string key, bool isCache = true) { if (string.IsNullOrEmpty(key)) { return(null); } //判断是否启用缓存 if (isCache && CommonBll.IsUseCache()) { //从缓存中获取实体 return(GetModelForCache(x => x.TypeKey == key)); } else { //从数据库中查询 return(Transform(UploadType.SingleOrDefault(x => x.TypeKey == key))); } }
/// <summary> /// 从IIS缓存中获取指定Id记录 /// </summary> /// <param name="conditionColName">条件列名</param> /// <param name="value">条件值</param> /// <returns>DataAccess.Model.UploadType</returns> public DataAccess.Model.UploadType GetModelForCache(string conditionColName, object value) { try { //从缓存中获取List var list = GetList(); DataAccess.Model.UploadType model = null; Expression <Func <UploadType, bool> > expression = null; //返回指定条件的实体 switch (conditionColName) { case "Id": model = list.SingleOrDefault(x => x.Id == (int)value); expression = x => x.Id == (int)value; break; case "TypeKey": model = list.SingleOrDefault(x => x.TypeKey == (string)value); expression = x => x.TypeKey == (string)value; break; case "Name": model = list.SingleOrDefault(x => x.Name == (string)value); expression = x => x.Name == (string)value; break; case "Ext": model = list.SingleOrDefault(x => x.Ext == (string)value); expression = x => x.Ext == (string)value; break; case "IsSys": model = list.SingleOrDefault(x => x.IsSys == (byte)value); expression = x => x.IsSys == (byte)value; break; case "Manager_Id": model = list.SingleOrDefault(x => x.Manager_Id == (int)value); expression = x => x.Manager_Id == (int)value; break; case "Manager_CName": model = list.SingleOrDefault(x => x.Manager_CName == (string)value); expression = x => x.Manager_CName == (string)value; break; case "UpdateDate": model = list.SingleOrDefault(x => x.UpdateDate == (DateTime)value); expression = x => x.UpdateDate == (DateTime)value; break; default: return(null); } if (model == null) { //从数据库中读取 var tem = UploadType.SingleOrDefault(expression); if (tem == null) { return(null); } else { //对查询出来的实体进行转换 model = Transform(tem); return(model); } } else { return(model); } } catch (Exception e) { //记录日志 CommonBll.WriteLog("从IIS缓存中获取UploadType表记录时出现异常", e); return(null); } }