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