/// <summary> /// 增加一条数据 /// </summary> public int Add(dbamet.Model.DownloadHistory model) { StringBuilder strSql = new StringBuilder(); strSql.Append("insert into DownloadHistory("); strSql.Append("customId,resourceName,downloadTime,resourceId)"); strSql.Append(" values ("); strSql.Append("@customId,@resourceName,@downloadTime,@resourceId)"); strSql.Append(";select @@IDENTITY"); SqlParameter[] parameters = { new SqlParameter("@customId", SqlDbType.Char, 8), new SqlParameter("@resourceName", SqlDbType.VarChar, 50), new SqlParameter("@downloadTime", SqlDbType.DateTime), new SqlParameter("@resourceId", SqlDbType.Int, 4) }; parameters[0].Value = model.customId; parameters[1].Value = model.resourceName; parameters[2].Value = model.downloadTime; parameters[3].Value = model.resourceId; object obj = DbHelperSQL.GetSingle(strSql.ToString(), parameters); if (obj == null) { return(0); } else { return(Convert.ToInt32(obj)); } }
/// <summary> /// 更新一条数据 /// </summary> public bool Update(dbamet.Model.DownloadHistory model) { StringBuilder strSql = new StringBuilder(); strSql.Append("update DownloadHistory set "); strSql.Append("customId=@customId,"); strSql.Append("resourceName=@resourceName,"); strSql.Append("downloadTime=@downloadTime,"); strSql.Append("resourceId=@resourceId"); strSql.Append(" where id=@id"); SqlParameter[] parameters = { new SqlParameter("@customId", SqlDbType.Char, 8), new SqlParameter("@resourceName", SqlDbType.VarChar, 50), new SqlParameter("@downloadTime", SqlDbType.DateTime), new SqlParameter("@resourceId", SqlDbType.Int, 4), new SqlParameter("@id", SqlDbType.Int, 4) }; parameters[0].Value = model.customId; parameters[1].Value = model.resourceName; parameters[2].Value = model.downloadTime; parameters[3].Value = model.resourceId; parameters[4].Value = model.id; int rows = DbHelperSQL.ExecuteSql(strSql.ToString(), parameters); if (rows > 0) { return(true); } else { return(false); } }
/// <summary> /// 得到一个对象实体 /// </summary> public dbamet.Model.DownloadHistory GetModel(int id) { StringBuilder strSql = new StringBuilder(); strSql.Append("select top 1 id,customId,resourceName,downloadTime,resourceId from DownloadHistory "); strSql.Append(" where id=@id"); SqlParameter[] parameters = { new SqlParameter("@id", SqlDbType.Int, 4) }; parameters[0].Value = id; dbamet.Model.DownloadHistory model = new dbamet.Model.DownloadHistory(); DataSet ds = DbHelperSQL.Query(strSql.ToString(), parameters); if (ds.Tables[0].Rows.Count > 0) { if (ds.Tables[0].Rows[0]["id"] != null && ds.Tables[0].Rows[0]["id"].ToString() != "") { model.id = int.Parse(ds.Tables[0].Rows[0]["id"].ToString()); } if (ds.Tables[0].Rows[0]["customId"] != null && ds.Tables[0].Rows[0]["customId"].ToString() != "") { model.customId = ds.Tables[0].Rows[0]["customId"].ToString(); } if (ds.Tables[0].Rows[0]["resourceName"] != null && ds.Tables[0].Rows[0]["resourceName"].ToString() != "") { model.resourceName = ds.Tables[0].Rows[0]["resourceName"].ToString(); } if (ds.Tables[0].Rows[0]["downloadTime"] != null && ds.Tables[0].Rows[0]["downloadTime"].ToString() != "") { model.downloadTime = DateTime.Parse(ds.Tables[0].Rows[0]["downloadTime"].ToString()); } if (ds.Tables[0].Rows[0]["resourceId"] != null && ds.Tables[0].Rows[0]["resourceId"].ToString() != "") { model.resourceId = int.Parse(ds.Tables[0].Rows[0]["resourceId"].ToString()); } return(model); } else { return(null); } }