/// <summary> /// 把实体类转换成键/值对集合 /// </summary> /// <param name="entity"></param> /// <param name="dict"></param> private static void GetParameters(StatOnlineEntity entity, Dictionary <string, object> dict) { dict.Add("ID", entity.ID); dict.Add("UserIP", entity.UserIP); dict.Add("UserAgent", entity.UserAgent); dict.Add("UserPage", entity.UserPage); dict.Add("OnTime", entity.OnTime); dict.Add("LastTime", entity.LastTime); }
/// <summary> /// 通过数据读取器生成实体类 /// </summary> /// <param name="rdr"></param> /// <returns></returns> private static StatOnlineEntity GetEntityFromrdr(NullableDataReader rdr) { StatOnlineEntity info = new StatOnlineEntity(); info.ID = rdr.GetInt32("ID"); info.UserIP = rdr.GetString("UserIP"); info.UserAgent = rdr.GetString("UserAgent"); info.UserPage = rdr.GetString("UserPage"); info.OnTime = rdr.GetNullableDateTime("OnTime"); info.LastTime = rdr.GetNullableDateTime("LastTime"); return(info); }
/// <summary> /// 获取实体(异步方式) /// </summary> /// <param name="strWhere">参数化查询条件(例如: and Name = @Name )</param> /// <param name="dict">参数的名/值集合</param> /// <returns></returns> public virtual async Task <StatOnlineEntity> GetEntityAsync(string strWhere, Dictionary <string, object> dict = null) { StatOnlineEntity obj = null; string strSQL = "select top 1 * from StatOnline where 1=1 " + strWhere; using (NullableDataReader reader = await Task.Run(() => _DB.GetDataReader(strSQL, dict))) { if (reader.Read()) { obj = GetEntityFromrdr(reader); } } return(obj); }
/// <summary> /// 更新一条记录(异步方式) /// </summary> /// <param name="entity">实体模型</param> /// <returns></returns> public virtual async Task <bool> UpdateAsync(StatOnlineEntity entity) { Dictionary <string, object> dict = new Dictionary <string, object>(); GetParameters(entity, dict); string strSQL = "Update StatOnline SET " + "UserIP = @UserIP," + "UserAgent = @UserAgent," + "UserPage = @UserPage," + "OnTime = @OnTime," + "LastTime = @LastTime" + " WHERE " + "ID = @ID"; return(await Task.Run(() => _DB.ExeSQLResult(strSQL, dict))); }
/// <summary> /// 增加一条记录,返回新的ID号。需要有一个单一主键,并且开启有标识符属性(异步方式) /// </summary> /// <param name="entity">实体模型</param> /// <returns></returns> public virtual async Task <int> InsertAsync(StatOnlineEntity entity) { Dictionary <string, object> dict = new Dictionary <string, object>(); GetParameters(entity, dict); string strSQL = "insert into StatOnline (" + "UserIP," + "UserAgent," + "UserPage," + "OnTime," + "LastTime) " + "values(" + "@UserIP," + "@UserAgent," + "@UserPage," + "@OnTime," + "@LastTime)"; return(await Task.Run(() => _DB.ReturnID(strSQL, dict))); }
/// <summary> /// 增加一条记录 /// </summary> /// <param name="entity">实体模型</param> /// <returns></returns> public virtual bool Add(StatOnlineEntity entity) { Dictionary <string, object> dict = new Dictionary <string, object>(); GetParameters(entity, dict); string strSQL = "insert into StatOnline (" + "UserIP," + "UserAgent," + "UserPage," + "OnTime," + "LastTime) " + "values(" + "@UserIP," + "@UserAgent," + "@UserPage," + "@OnTime," + "@LastTime)"; return(_DB.ExeSQLResult(strSQL, dict)); }
/// <summary> /// 增加或更新一条记录(异步方式) /// </summary> /// <param name="entity">实体模型</param> /// <param name="IsSave">是否增加</param> /// <returns></returns> public virtual async Task <bool> AddOrUpdateAsync(StatOnlineEntity entity, bool IsSave) { return(IsSave ? await AddAsync(entity) : await UpdateAsync(entity)); }
/// <summary> /// 增加或更新一条记录 /// </summary> /// <param name="entity">实体模型</param> /// <param name="IsSave">是否增加</param> /// <returns></returns> public virtual bool AddOrUpdate(StatOnlineEntity entity, bool IsSave) { return(IsSave ? Add(entity) : Update(entity)); }