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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, Sort, Part from (select min(ID) as ID, Vehicle, Sort, Part from SupplyPlan     where SupplyPlanNo = @s_p_no group by Vehicle, Sort, Part) a order by a.ID desc*/   /*Inner CURSOR*/   DECLARE getContentSP CURSOR SCROLL FOR    select ID, Vehicle, 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, @iVehicle, @iPart, @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, @sSort, @sPart, @AllRequestQty, @sRemark)

      select @AllRequestQty = ''

      select @allID         = ''      select @sRemark       = ''      FETCH next from getVehiclePartSP into @sVehicle,@sSort,@sPart     END      DEALLOCATE getContentSP   CLOSE getVehiclePartSP   DEALLOCATE getVehiclePartSP  RETURN  END

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