/// <summary> /// 增加一条数据 /// </summary> public static int Add(Model.CartTemp model) { StringBuilder strSql = new StringBuilder(); strSql.Append("insert into CartTemp("); strSql.Append("productId,productCount,addUser,status,remark,sel)"); strSql.Append(" values ("); strSql.Append("@productId,@productCount,@addUser,@status,@remark," + model.sel + ")"); strSql.Append(";select @@IDENTITY"); SqlParameter[] parameters = { new SqlParameter("@productId", SqlDbType.Int, 4), new SqlParameter("@productCount", SqlDbType.Int, 4), new SqlParameter("@addUser", SqlDbType.Int, 4), new SqlParameter("@status", SqlDbType.Int, 4), new SqlParameter("@remark", SqlDbType.VarChar, 50) }; parameters[0].Value = model.productId; parameters[1].Value = model.productCount; parameters[2].Value = model.addUser; parameters[3].Value = model.status; parameters[4].Value = model.remark; object obj = DBHelperSQL.GetSingle(strSql.ToString(), parameters); if (obj == null) { return(0); } else { return(Convert.ToInt32(obj)); } }
/// <summary> /// 得到一个对象实体 /// </summary> public static Model.CartTemp DataRowToModel(DataRow row) { Model.CartTemp model = new Model.CartTemp(); 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["productCount"] != null && row["productCount"].ToString() != "") { model.productCount = int.Parse(row["productCount"].ToString()); } if (row["addUser"] != null && row["addUser"].ToString() != "") { model.addUser = int.Parse(row["addUser"].ToString()); } if (row["status"] != null && row["status"].ToString() != "") { model.status = int.Parse(row["status"].ToString()); } if (row["remark"] != null) { model.remark = row["remark"].ToString(); } if (row["sel"] != null && row["sel"].ToString() != "") { model.sel = int.Parse(row["sel"].ToString()); } } return(model); }
/// <summary> /// 得到一个对象实体 /// </summary> public static Model.CartTemp GetModel(int id) { StringBuilder strSql = new StringBuilder(); strSql.Append("select top 1 * from CartTemp "); strSql.Append(" where id=@id"); SqlParameter[] parameters = { new SqlParameter("@id", SqlDbType.Int, 4) }; parameters[0].Value = id; Model.CartTemp model = new Model.CartTemp(); DataSet ds = DBHelperSQL.Query(strSql.ToString(), parameters); if (ds.Tables[0].Rows.Count > 0) { return(DataRowToModel(ds.Tables[0].Rows[0])); } else { return(null); } }
/// <summary> /// 得到一个对象实体 /// </summary> public static Model.CartTemp GetModelByProductId(int userId, int productId) { StringBuilder strSql = new StringBuilder(); strSql.Append("select top 1 * from CartTemp "); strSql.Append(" where productId=@productId and addUser = "******"@productId", SqlDbType.Int, 4) }; parameters[0].Value = productId; Model.CartTemp model = new Model.CartTemp(); DataSet ds = DBHelperSQL.Query(strSql.ToString(), parameters); if (ds.Tables[0].Rows.Count > 0) { return(DataRowToModel(ds.Tables[0].Rows[0])); } else { return(null); } }
/// <summary> /// 购物车更新Quantity /// </summary> /// <param name="item"></param> /// <returns></returns> public static int UpdateCart(Model.CartTemp item) { string sql = "update CartTemp set productCount = " + item.productCount + ",remark = '" + item.remark + "' where id = " + item.id; return(DBHelperSQL.ExecuteSql(sql)); }