详细的存储过程
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CODE:
CREATE PROCEDURE dbo.ProductListUpdateSpecialList
@ProductId_Array varChar(800), @ModuleId int AS DECLARE @PointerPrev int DECLARE @PointerCurr int DECLARE @TId int Set @PointerPrev=1 set @PointerCurr=1 begin transaction Set NoCount ON delete from ProductListSpecial where ModuleId=@ModuleId Set @PointerCurr=CharIndex(',',@ProductId_Array,@PointerPrev+1) set @TId=cast(SUBSTRING(@ProductId_Array,@PointerPrev,@PointerCurr-@PointerPrev) as int) Insert into ProductListSpecial (ModuleId,ProductId) Values(@ModuleId,@TId) SET @PointerPrev = @PointerCurr while (@PointerPrev+1 < LEN(@ProductId_Array)) Begin Set @PointerCurr=CharIndex(',',@ProductId_Array,@PointerPrev+1) if(@PointerCurr> 0) Begin set @TId=cast(SUBSTRING(@ProductId_Array,@PointerPrev+1,@PointerCurr-@PointerPrev-1) as int) Insert into ProductListSpecial (ModuleId,ProductId) Values(@ModuleId,@TId) SET @PointerPrev = @PointerCurr End else Break End set @TId=cast(SUBSTRING(@ProductId_Array,@PointerPrev+1,LEN(@ProductId_Array)-@PointerPrev) as int) Insert into ProductListSpecial (ModuleId,ProductId) Values(@ModuleId,@TId) Set NoCount OFF if error=0 begin commit transaction end else begin rollback transaction end GO 编辑推荐:下一篇:
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