MS SQLServer 操作XML语句的存储过程

-- ================================================
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO

CREATE PROCEDURE SP_Reports_GetParams
    @ParamsString nvarchar(max),
    @Name nvarchar(100),
    @Value nvarchar(250) output
AS
BEGIN
DECLARE @xmlDoc integer
EXEC sp_xml_preparedocument @xmlDoc OUTPUT, @ParamsString
SELECT top 1 @Value=Value FROM
OPENXML (@xmlDoc, 'Params/Item', 1)
WITH
(
  Name nvarchar,
  Value nvarchar)
WHERE Name = @Name

EXEC sp_xml_removedocument @xmlDoc

END
GO

--调用示例
SET @doc = '<Params>
　<Item Name="a" Value="1"/>
　<Item Name="b" Value="2"/>
  </Params>';

DECLARE @aaa nvarchar(250);
exec AmwayFrameworkWorkflow.dbo.SP_Reports_GetParams @doc,'b' ,@aaa output;
select @aaa