存储过程中执行存储过程，并把结果赋值给output参数

ALTER PROCEDURE [dbo].[xl_StockWarningQuery]

    @nCargoID bigint,

    @sCargoName varchar,

    @nCargoSup int,

    @nCargoBrand int,

    @sAdminName varchar,

    @pagesize int,

    @pageindex int,

    @count int output

AS

BEGIN

    

    declare @sql nvarchar(4000)

    declare @sql1 nvarchar(4000)

    set @sql = 'select * from

                (select

                ROW_NUMBER() OVER (order by a.sName asc) rownumber,

                a.nID as nCargoID,

                a.sName as sCargoName,

                c.sCompany as sSupName,

                e.sName as sCargoSize,

                f.sName as sCargoColor,

                g.sBrandName as nCargoBrand,

                b.nAmount as nCargoAmount,

                b.nVAmount as nCargoVAmount

                from xl_Cargo a

                left join xl_Inventory b on a.nID = b.nCargoID

                left join xl_Suppliers c on a.nSup = c.nID

                left join xl_Admin d on c.nManager = d.nID

                left join xl_Size e on a.nSizeClass = e.nID

                left join xl_Color f on a.nColorClass = f.nID

                left join xl_Brand g on a.nBrand = g.nID

                where a.nType=1 and b.nVAmount <= 2';

    if (@nCargoID > 0)

    begin

        set @sql = @sql + 'and a.nID = '+str(@nCargoID);

    end

    if (len(@sCargoName)>0)--

    begin

        set @sql = @sql + 'and a.sName = '+@sCargoName;

    end

    if (@nCargoSup>0)

    begin

        set @sql = @sql + 'and a.nSup = '+str(@nCargoSup);

    end

    if (@nCargoBrand>0)

    begin

        set @sql = @sql + 'and a.nBrand = '+str(@nCargoBrand);

    end

    if (len(@sAdminName)>0)

    begin

        set @sql = @sql + 'and d.sAdminName ='+@sAdminName;

    end

    set @sql = @sql +')t where t.rownumber between '+str(@pagesize*(@pageindex-1)+1)+' and '+str(@pagesize*@pageindex);

    --返回总行数---------------------------------------------------------------------------------------------------------

    --declare @MyTable table(nVal int)

    set @sql1 = 'select @count_output = count(*)

                from xl_Cargo a

                left join xl_Inventory b on a.nID = b.nCargoID

                left join xl_Suppliers c on a.nSup = c.nID

                left join xl_Admin d on c.nManager = d.nID

                left join xl_Size e on a.nSizeClass = e.nID

                left join xl_Color f on a.nColorClass = f.nID

                left join xl_Brand g on a.nBrand = g.nID

                where a.nType=1 and b.nVAmount <= 2';

    if (@nCargoID > 0)

    begin

        set @sql1 = @sql1 + 'and a.nID = '+str(@nCargoID);

    end

    if (len(@sCargoName)>0)--

    begin

        set @sql1 = @sql1 + 'and a.sName = '+@sCargoName;

    end

    if (@nCargoSup>0)

    begin

        set @sql1 = @sql1 + 'and a.nSup = '+str(@nCargoSup);

    end

    if (@nCargoBrand>0)

    begin

        set @sql1 = @sql1 + 'and a.nBrand = '+str(@nCargoBrand);

    end

    if (len(@sAdminName)>0)

    begin

        set @sql1 = @sql1 + 'and d.sAdminName ='+@sAdminName;

    end

    ---------------------------------------------------------------------------------------------------------------------

    exec sp_executesql @sql1, N'@count_output INT OUTPUT', @count_output = @count OUTPUT

    exec(@sql)

END