/// <summary> /// 更新一条数据 /// </summary> public bool Update(Model.ProductViews model) { StringBuilder strSql = new StringBuilder(); strSql.Append("update ProductViews set "); strSql.Append("productId=@productId,"); strSql.Append("viewsTime=@viewsTime"); strSql.Append(" where id=@id "); SqlParameter[] parameters = { new SqlParameter("@productId", SqlDbType.Int, 4), new SqlParameter("@viewsTime", SqlDbType.DateTime), new SqlParameter("@id", SqlDbType.Int, 4) }; parameters[0].Value = model.productId; parameters[1].Value = model.viewsTime; parameters[2].Value = model.id; int rows = DBHelperSQL.ExecuteSql(strSql.ToString(), parameters); if (rows > 0) { return(true); } else { return(false); } }
/// <summary> /// 增加一条数据 /// </summary> public static bool Add(Model.ProductViews model) { StringBuilder strSql = new StringBuilder(); strSql.Append("insert into ProductViews("); strSql.Append("productId,viewsTime)"); strSql.Append(" values ("); strSql.Append("@productId,@viewsTime)"); SqlParameter[] parameters = { new SqlParameter("@productId", SqlDbType.Int, 4), new SqlParameter("@viewsTime", SqlDbType.DateTime) }; parameters[0].Value = model.productId; parameters[1].Value = model.viewsTime; 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 Model.ProductViews DataRowToModel(DataRow row) { Model.ProductViews model = new Model.ProductViews(); if (row != null) { if (row["id"] != null && row["id"].ToString() != "") { model.id = int.Parse(row["id"].ToString()); } if (row["productId"] != null && row["productId"].ToString() != "") { model.productId = int.Parse(row["productId"].ToString()); } if (row["viewsTime"] != null && row["viewsTime"].ToString() != "") { model.viewsTime = DateTime.Parse(row["viewsTime"].ToString()); } } return(model); }
/// <summary> /// 得到一个对象实体 /// </summary> public Model.ProductViews GetModel(int id) { StringBuilder strSql = new StringBuilder(); strSql.Append("select top 1 id,productId,viewsTime from ProductViews "); strSql.Append(" where id=@id "); SqlParameter[] parameters = { new SqlParameter("@id", SqlDbType.Int, 4) }; parameters[0].Value = id; Model.ProductViews model = new Model.ProductViews(); DataSet ds = DBHelperSQL.Query(strSql.ToString(), parameters); if (ds.Tables[0].Rows.Count > 0) { return(DataRowToModel(ds.Tables[0].Rows[0])); } else { return(null); } }