IP数字,数字IP
DECLARE @ip VARCHAR(60)='113.118.138.159'
DECLARE @ip_int BIGINT=[dbo].[f_IP2Int](@ip)
SELECT [IPstart], [IPend], [M1], [M2], [M3], [M4]
FROM [master].[dbo].[ipv]
WHERE ipstart < @ip_int
AND [IPend] > @ip_int
GO
SET STATISTICS IO ON
SET STATISTICS TIME ON
CREATE CLUSTERED INDEX ix_action ON [ipv](ipstart,[IPend])
select dbo.f_IP2Int('113.118.138.159')
select dbo.f_IP2Int('12.168.0.1')
--*/
CREATE FUNCTION [dbo].[f_IP2Int](
@ip char(15)
)RETURNS bigint
AS
BEGIN
DECLARE @re bigint
SET @re=0
SELECT @re=@re+LEFT(@ip,CHARINDEX('.',@ip+'.')-1)*ID
,@ip=STUFF(@ip,1,CHARINDEX('.',@ip+'.'),'')
FROM(
SELECT ID=CAST(16777216 as bigint)
UNION ALL SELECT 65536
UNION ALL SELECT 256
UNION ALL SELECT 1)A
RETURN(@re)
END
/**//*--数字 IP 转换成格式化 IP 地址
--邹建 2004.08(引用请保留此信息)--*/
/**//*--调用示例
select dbo.f_Int2IP(3232235531)
select dbo.f_Int2IP(212336641)
*/
CREATE FUNCTION [dbo].[f_Int2IP](
@IP bigint
)RETURNS varchar(15)
AS
BEGIN
DECLARE @re varchar(15)
SET @re=''
SELECT @re=@re+'.'+CAST(@IP/ID as varchar)
,@IP=@IP%ID
from(
SELECT ID=CAST(16777216 as bigint)
UNION ALL SELECT 65536
UNION ALL SELECT 256
UNION ALL SELECT 1)a
RETURN(STUFF(@re,1,1,''))
END