/// <summary> /// 更新一条数据 /// </summary> public void Update(BCW.Model.ChatText model) { StringBuilder strSql = new StringBuilder(); strSql.Append("update tb_ChatText set "); strSql.Append("ChatId=@ChatId,"); strSql.Append("UsID=@UsID,"); strSql.Append("UsName=@UsName,"); strSql.Append("ToID=@ToID,"); strSql.Append("ToName=@ToName,"); strSql.Append("Content=@Content,"); strSql.Append("AddTime=@AddTime"); strSql.Append(" where ID=@ID "); SqlParameter[] parameters = { new SqlParameter("@ID", SqlDbType.Int, 4), new SqlParameter("@ChatId", SqlDbType.Int, 4), new SqlParameter("@UsID", SqlDbType.Int, 4), new SqlParameter("@UsName", SqlDbType.NVarChar, 50), new SqlParameter("@ToID", SqlDbType.Int, 4), new SqlParameter("@ToName", SqlDbType.NVarChar, 50), new SqlParameter("@Content", SqlDbType.NVarChar, 500), new SqlParameter("@AddTime", SqlDbType.DateTime) }; parameters[0].Value = model.ID; parameters[1].Value = model.ChatId; parameters[2].Value = model.UsID; parameters[3].Value = model.UsName; parameters[4].Value = model.ToID; parameters[5].Value = model.ToName; parameters[6].Value = model.Content; parameters[7].Value = model.AddTime; SqlHelper.ExecuteSql(strSql.ToString(), parameters); }
/// <summary> /// 得到一个对象实体 /// </summary> public BCW.Model.ChatText GetChatText(int ID) { StringBuilder strSql = new StringBuilder(); strSql.Append("select top 1 ID,ChatId,UsID,UsName,ToID,ToName,Content,AddTime from tb_ChatText "); strSql.Append(" where ID=@ID "); SqlParameter[] parameters = { new SqlParameter("@ID", SqlDbType.Int, 4) }; parameters[0].Value = ID; BCW.Model.ChatText model = new BCW.Model.ChatText(); using (SqlDataReader reader = SqlHelper.ExecuteReader(strSql.ToString(), parameters)) { if (reader.HasRows) { reader.Read(); model.ID = reader.GetInt32(0); model.ChatId = reader.GetInt32(1); model.UsID = reader.GetInt32(2); model.UsName = reader.GetString(3); model.ToID = reader.GetInt32(4); model.ToName = reader.GetString(5); model.Content = reader.GetString(6); model.AddTime = reader.GetDateTime(7); return(model); } else { return(null); } } }
/// <summary> /// 发言排行榜 /// </summary> /// <param name="p_pageIndex">当前页</param> /// <param name="p_pageSize">每页显示记录数</param> /// <param name="p_recordCount">返回总记录数</param> /// <param name="strWhere">查询条件</param> /// <returns>List</returns> public IList <BCW.Model.ChatText> GetChatTextsTop(int p_pageIndex, int p_pageSize, string strWhere, out int p_recordCount) { IList <BCW.Model.ChatText> listChatText = new List <BCW.Model.ChatText>(); // 计算记录数 string countString = "SELECT COUNT(DISTINCT UsID) FROM tb_ChatText Where " + strWhere + ""; p_recordCount = Convert.ToInt32(SqlHelper.GetSingle(countString)); if (p_recordCount > 0) { int pageCount = BasePage.CalcPageCount(p_recordCount, p_pageSize, ref p_pageIndex); if (pageCount > 100) { pageCount = 100; } } else { return(listChatText); } // 取出相关记录 string queryString = "SELECT UsID, COUNT(ID) FROM tb_ChatText Where " + strWhere + " GROUP BY UsID ORDER BY COUNT(ID) DESC"; using (SqlDataReader reader = SqlHelper.ExecuteReader(queryString)) { int stratIndex = (p_pageIndex - 1) * p_pageSize; int endIndex = p_pageIndex * p_pageSize; int k = 0; while (reader.Read()) { if (k >= stratIndex && k < endIndex) { BCW.Model.ChatText objChatText = new BCW.Model.ChatText(); objChatText.UsID = reader.GetInt32(0); objChatText.ChatId = reader.GetInt32(1); listChatText.Add(objChatText); } if (k == endIndex) { break; } k++; } } return(listChatText); }
/// <summary> /// 增加一条数据 /// </summary> public int Add(BCW.Model.ChatText model) { StringBuilder strSql = new StringBuilder(); strSql.Append("insert into tb_ChatText("); strSql.Append("ChatId,UsID,UsName,ToID,ToName,Content,IsKiss,AddTime)"); strSql.Append(" values ("); strSql.Append("@ChatId,@UsID,@UsName,@ToID,@ToName,@Content,@IsKiss,@AddTime)"); strSql.Append(";select @@IDENTITY"); SqlParameter[] parameters = { new SqlParameter("@ChatId", SqlDbType.Int, 4), new SqlParameter("@UsID", SqlDbType.Int, 4), new SqlParameter("@UsName", SqlDbType.NVarChar, 50), new SqlParameter("@ToID", SqlDbType.Int, 4), new SqlParameter("@ToName", SqlDbType.NVarChar, 50), new SqlParameter("@Content", SqlDbType.NVarChar, 500), new SqlParameter("@IsKiss", SqlDbType.TinyInt, 1), new SqlParameter("@AddTime", SqlDbType.DateTime) }; parameters[0].Value = model.ChatId; parameters[1].Value = model.UsID; parameters[2].Value = model.UsName; parameters[3].Value = model.ToID; parameters[4].Value = model.ToName; parameters[5].Value = model.Content; parameters[6].Value = model.IsKiss; parameters[7].Value = model.AddTime; object obj = SqlHelper.GetSingle(strSql.ToString(), parameters); if (obj == null) { return(1); } else { return(Convert.ToInt32(obj)); } }
/// <summary> /// 取得每页记录 /// </summary> /// <param name="p_pageIndex">当前页</param> /// <param name="p_pageSize">分页大小</param> /// <param name="p_recordCount">返回总记录数</param> /// <param name="strWhere">查询条件</param> /// <returns>IList ChatText</returns> public IList <BCW.Model.ChatText> GetChatTexts(int p_pageIndex, int p_pageSize, string strWhere, out int p_recordCount) { IList <BCW.Model.ChatText> listChatTexts = new List <BCW.Model.ChatText>(); string sTable = "tb_ChatText"; string sPkey = "id"; string sField = "ID,ChatId,UsID,UsName,ToID,ToName,Content,IsKiss,AddTime"; string sCondition = strWhere; string sOrder = "ID Desc"; int iSCounts = 0; using (SqlDataReader reader = SqlHelper.RunProcedureMe(sTable, sPkey, sField, p_pageIndex, p_pageSize, sCondition, sOrder, iSCounts, out p_recordCount)) { //计算总页数 if (p_recordCount > 0) { int pageCount = BasePage.CalcPageCount(p_recordCount, p_pageSize, ref p_pageIndex); } else { return(listChatTexts); } while (reader.Read()) { BCW.Model.ChatText objChatText = new BCW.Model.ChatText(); objChatText.ID = reader.GetInt32(0); objChatText.ChatId = reader.GetInt32(1); objChatText.UsID = reader.GetInt32(2); objChatText.UsName = reader.GetString(3); objChatText.ToID = reader.GetInt32(4); objChatText.ToName = reader.GetString(5); objChatText.Content = reader.GetString(6); objChatText.IsKiss = reader.GetByte(7); objChatText.AddTime = reader.GetDateTime(8); listChatTexts.Add(objChatText); } } return(listChatTexts); }