/// <summary> /// 查询单个模型实体 /// </summary> /// <param name="id">objectId</param>); /// <returns>实体</returns>); public authData QuerySingleById(string objectId) { const string sql = "SELECT TOP 1 objectId,weiboId,qqId,alibabaId from authData WHERE [objectId] = @objectId"; using (var reader = SqlHelper.ExecuteReader(sql, new SqlParameter("@objectId", objectId))) { if (reader.HasRows) { reader.Read(); authData model = SqlHelper.MapEntity <authData>(reader); if (reader["alibabaId"] != DBNull.Value) { alibabaDAO alibabaDAO = new alibabaDAO(); model.alibaba = alibabaDAO.QuerySingleById((string)reader["alibabaId"]); } if (reader["qqId"] != DBNull.Value) { qqDAO qqDAO = new qqDAO(); model.qq = qqDAO.QuerySingleById((string)reader["qqId"]); } if (reader["weiboId"] != DBNull.Value) { weiboDAO weiboDAO = new weiboDAO(); model.weibo = weiboDAO.QuerySingleById((string)reader["weiboId"]); } return(model); } else { return(null); } } }
///<summary> ///分页查询一个集合 ///</summary> ///<param name="index">页码</param> ///<param name="size">页大小</param> ///<param name="wheres">条件匿名类</param> ///<param name="orderField">排序字段</param> ///<param name="isDesc">是否降序排序</param> ///<returns>实体集合</returns> public IEnumerable <authData> QueryList(int index, int size, object wheres = null, string orderField = "objectId", bool isDesc = true) { List <SqlParameter> list = null; string where = wheres.parseWheres(out list); orderField = string.IsNullOrEmpty(orderField) ? "objectId" : orderField; var sql = SqlHelper.GenerateQuerySql("authData", new string[] { "objectId", "weiboId", "qqId", "alibabaId" }, index, size, where, orderField, isDesc); using (var reader = SqlHelper.ExecuteReader(sql, list.ToArray())) { if (reader.HasRows) { while (reader.Read()) { authData model = SqlHelper.MapEntity <authData>(reader); if (reader["alibabaId"] != DBNull.Value) { alibabaDAO alibabaDAO = new alibabaDAO(); model.alibaba = alibabaDAO.QuerySingleById((string)reader["alibabaId"]); } if (reader["qqId"] != DBNull.Value) { qqDAO qqDAO = new qqDAO(); model.qq = qqDAO.QuerySingleById((string)reader["qqId"]); } if (reader["weiboId"] != DBNull.Value) { weiboDAO weiboDAO = new weiboDAO(); model.weibo = weiboDAO.QuerySingleById((string)reader["weiboId"]); } yield return(model); } } } }