/// <summary>根据条件得到一个对象实体 /// /// </summary> public Niunan.CaiPiao.Model.Category GetModelByBH(string bh) { StringBuilder strSql = new StringBuilder(); strSql.Append("select * from category where bh=@bh limit 1"); Niunan.CaiPiao.Model.Category model = null; using (var connection = ConnectionFactory.GetOpenConnection(ConnStr)) { model = connection.QuerySingleOrDefault <Niunan.CaiPiao.Model.Category>(strSql.ToString(), new { bh = bh }); } return(model); }
/// <summary>更新一条数据 /// /// </summary> public bool Update(Niunan.CaiPiao.Model.Category model) { StringBuilder strSql = new StringBuilder(); strSql.Append("update category set "); strSql.Append("createtime=@createtime, caname=@caname, bh=@bh, remark=@remark "); strSql.Append(" where id=@id "); using (var connection = ConnectionFactory.GetOpenConnection(ConnStr)) { int i = connection.Execute(strSql.ToString(), model); return(i > 0); } }
/// <summary>得到一个对象实体 /// /// </summary> public Niunan.CaiPiao.Model.Category GetModel(int id) { StringBuilder strSql = new StringBuilder(); strSql.Append("select * from category "); strSql.Append(" where id=@id "); Niunan.CaiPiao.Model.Category model = null; using (var connection = ConnectionFactory.GetOpenConnection(ConnStr)) { model = connection.QuerySingleOrDefault <Niunan.CaiPiao.Model.Category>(strSql.ToString(), new { id = id }); } return(model); }
/// <summary>增加一条数据 /// /// </summary> public int Add(Niunan.CaiPiao.Model.Category model) { StringBuilder strSql = new StringBuilder(); strSql.Append("insert into category("); strSql.Append("createtime, caname, bh, remark )"); strSql.Append(" values ("); strSql.Append("@createtime, @caname, @bh, @remark ) returning id;"); using (var connection = ConnectionFactory.GetOpenConnection(ConnStr)) { int i = connection.QueryFirst <int>(strSql.ToString(), model); return(i); } }
/// <summary>根据条件得到一个对象实体 /// /// </summary> public Niunan.CaiPiao.Model.Category GetModelByCond(string cond) { StringBuilder strSql = new StringBuilder(); strSql.Append("select * from category "); if (!string.IsNullOrEmpty(cond)) { strSql.Append(" where " + cond); } strSql.Append(" limit 1;"); Niunan.CaiPiao.Model.Category model = null; using (var connection = ConnectionFactory.GetOpenConnection(ConnStr)) { model = connection.QuerySingleOrDefault <Niunan.CaiPiao.Model.Category>(strSql.ToString()); } return(model); }