复制代码 代码如下:

---涂聚文 Geovin Du

DECLARE @myid uniqueidentifier

SET @myid = NEWID()

SELECT CONVERT(char(255), @myid) AS 'char';

GO

--涂聚文 Geovin Du

declare @allstring char(255),@AreaUid Uniqueidentifier

set @AreaUid='37A1DA94-4AC6-4ED0-B96F-BA3FE6AEACC8'

set @allstring= cast(@AreaUid as char(255))

select @allstring

--涂聚文 Geovin Du

declare @allstring char(255),@AreaUid Uniqueidentifier,@s varchar(200)

set @AreaUid='37A1DA94-4AC6-4ED0-B96F-BA3FE6AEACC8'

set @allstring= CONVERT(char(255),@AreaUid)

set @s=cast(@allstring as varchar(200))

select @allstring,@s

--涂聚文 Geovin Du

declare @allstring char(255),@AreaUid Uniqueidentifier,@s varchar(200)

set @AreaUid='37A1DA94-4AC6-4ED0-B96F-BA3FE6AEACC8'

select @s=CONVERT(varchar(200),cast(@AreaUid as char(225)))

select @s