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说明：在SupplyPlan表中，存储着每一个RequestQty及其对应的开始终止日期段；因为我在以后处理中要判断当前天属于哪一条RequestQty的日期区间并进行处理，所以后台数据库只能设计成这种存储形式；但是在页面的显示时候，需要动态的根据每一个SupplyPlanNo生成对应的多条日期区段及其数量显示，所以采用自定义函数形式返回处理以后的动态记录集！返回的字段@AllRequestQty为"1|13|5|8"形式，在asp中就可以采用split函数分组从而动态显示字段。
/*
** add by wls For: convert many lines of SP datas to one char group by vehicle,part
*/
CREATE FUNCTION xzc.fn_getContent_SupplyPlan
(@s_p_no?? int = NULL,
? @viewFlag varchar(1) = ''
)
RETURNS @fn_getContent_SupplyPlan TABLE
(
? ID??? varchar(8000),
? SupplyPlanNo?? int,
? Vehicle???? varchar(25),
???? Sort???????? varchar(20),
???? Part???????? varchar(25),
???? RequestQty?? varchar(8000),
???? Remark?? varchar(255)
)
AS
? BEGIN
?? DECLARE @sVehicle? varchar(25),@sSort? varchar(20)
?? DECLARE @sPart? varchar(25),@iVehicle? varchar(25)
?? DECLARE @iPart? varchar(25),@sRemark varchar(255)
?? DECLARE @RequestQty? int???,@theID int
?? DECLARE @AllRequestQty varchar(8000),@allID varchar(8000)
?? select @AllRequestQty = ''
?? select @allID???????? = ''
?? /*Outer CURSOR*/
?? DECLARE getVehiclePartSP CURSOR SCROLL FOR
? select distinct Vehicle,Sort,Part from SupplyPlan
???? where SupplyPlanNo = @s_p_no and ViewFlag = @viewFlag
/*????? --Order by ID desc
? select Vehicle,Part from (select min(ID) as ID,Vehicle,Part from SupplyPlan
???? where SupplyPlanNo = @s_p_no group by Vehicle,Part) a order by a.ID desc
*/
?? /*Inner CURSOR*/
?? DECLARE getContentSP CURSOR SCROLL FOR
??? select ID,Part,RequestQty
??? from SupplyPlan where SupplyPlanNo = @s_p_no and ViewFlag = @viewFlag order by ID
??? if @s_p_no IS NULL or @s_p_no = ''
??? begin
?? RETURN
? end
?? OPEN getVehiclePartSP
??? FETCH first from getVehiclePartSP into @sVehicle,@sSort,@sPart
??? while(@@fetch_status = 0)
????? BEGIN
????? OPEN getContentSP
?????? FETCH first from getContentSP into @theID,@iVehicle,@iPart,@RequestQty
?????? while(@@fetch_status = 0)
??????? BEGIN
???????? if @iVehicle = @sVehicle and @iPart = @sPart
???????? begin
????????? select @allID???????? = @allID + '|' + convert(varchar(15),@theID)
????????? select @AllRequestQty = @AllRequestQty + '|' + convert(varchar(25),@RequestQty)
???????? end
???????? FETCH next from getContentSP into @theID,@RequestQty
??????? END
????? CLOSE getContentSP
??? select @allID???? = xzc.trim_char(@allID,'|')
????? select @AllRequestQty = xzc.trim_char(@AllRequestQty,'|')
????? select @sRemark?????? = (select top 1 Remark from SupplyPlan where SupplyPlanNo = @s_p_no
???????? and Vehicle = @sVehicle and Part = @sPart)
????? INSERT INTO @fn_getContent_SupplyPlan VALUES(@allID,@s_p_no,@sVehicle,@sPart,@AllRequestQty,@sRemark)
????? select @AllRequestQty = ''????? select @allID???????? = ''????? select @sRemark?????? = ''????? FETCH next from getVehiclePartSP into @sVehicle,@sPart???? END????? DEALLOCATE getContentSP?? CLOSE getVehiclePartSP?? DEALLOCATE getVehiclePartSP? RETURN? END
（编辑：李大同）
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