/****** 对象: UserDefinedFunction [dbo].[UF_CovertIPToInt] 脚本日期: 08/06/2012 16:55:22 ******/
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
CREATE FUNCTION [dbo].[UF_CovertIPToInt]
(
@ip varchar(20)
)
RETURNS bigint
AS
BEGIN
declare @pos int
declare @sub1 varchar(10)
declare @sub2 varchar(10)
declare @sub3 varchar(10)
declare @sub4 varchar(10)
set @pos = charindex('.',@ip)
if(@pos<1) return 0
set @sub1 = substring(@ip,0,@pos)
--select @sub1
set @ip = substring(@ip, @pos+1 ,len(@ip) - @pos + 1)
--select @ip
set @pos = charindex('.',@ip)
if(@pos<1) return 0
set @sub2 = substring(@ip,0,@pos)
--select @sub2
set @ip = substring(@ip, @pos+1 ,len(@ip) - @pos + 1)
--select @ip
set @pos = charindex('.',@ip)
if(@pos<1) return 0
set @sub3 = substring(@ip,0,@pos)
--select @sub3
set @ip = substring(@ip, @pos+1 ,len(@ip) - @pos + 1)
if(len(@ip)<1) return 0
select @sub4 = @ip
--select @sub4
return cast(@sub1 as bigint ) * 16777216 + cast(@sub2 as bigint ) * 65536 + cast(@sub3 as bigint )*256 + cast(@sub4 as bigint )
END ;
USE Lambor_Game
GO
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
CREATE FUNCTION [dbo].[UF_ConvertIPToStr]
(
@ip bigint
)
RETURNS varchar(20)
AS
BEGIN
RETURN cast((@ip/16777216)% 256 as varchar(4)) + '.' + cast( (@ip/65536)% 256 as varchar(4)) +'.'+ cast( (@ip/256)%256 as varchar(4))+ '.'+ cast( (@ip%256)as varchar(4))
END
;
--把IP转为bigint
select dbo.UF_CovertIPToInt('192.168.1.100') as ip ;
--把bigint转换为IP
select dbo.UF_ConvertIPToStr (3232235876) as ip