create function [dbo].[clearhtml] (@maco varchar(8000)) returns varchar(8000) as begin declare @randchar_one nvarchar(200) declare @randchar_two nvarchar(200) if(charindex('<<',@maco)>0) begin set @randchar_one='D4678B36-B958-4274-B81E-BBA636CFB427'; set @randchar_two='49E374CC-9E1A-4850-897C-27074DE32E7F'; set @maco=replace(@maco,'<<',@randchar_one) set @maco=replace(@maco,'>>',@randchar_two) end declare @i int while 1 = 1 begin set @i=len(@maco) set @maco=replace(@maco, substring(@maco,charindex('<',@maco), charindex('>',@maco)-charindex('<',@maco)+1),space(0)) if @i=len( @maco ) break end set @maco=replace(@maco,' ','') set @maco=replace(@maco,' ','') set @maco=ltrim(rtrim(@maco)) set @maco=replace(@maco,char(9),'') set @maco=replace(@maco,char(10),'') set @maco=replace(@maco,char(13),'') if(charindex(@randchar_one,@maco)>0) begin set @maco=replace(@maco,'D4678B36-B958-4274-B81E-BBA636CFB427','<<') set @maco=replace(@maco,'49E374CC-9E1A-4850-897C-27074DE32E7F','>>') end return (@maco) end
declare @mark varchar(8000) set @mark='<body><div id=u><a href=http://passport.baidu.com/?login&tpl=mn>登录</a></div><center><img src=http://www.baidu.com/img/baidu_logo.gif width=270 height=129 usemap="#mp" id=lg><br><br><br><br><table cellpadding=0 cellspacing=0 id=l><tr><td><div id=m><a onclick=s(this) href=http://news.baidu.com>新 闻</a><b>网 页</b><a onclick=s(this) href=http://tieba.baidu.com>贴 吧</a><a onclick=s(this) href=http://zhidao.baidu.com>知 道</a><a onclick=s(this) href=http://mp3.baidu.com>MP3</a><a onclick=s(this) href=http://image.baidu.com>图 片</a><a onclick=s(this) href=http://video.baidu.com>视 频</a></div></td></tr></table> <table cellpadding=0 cellspacing=0 style="margin-left:15px"><tr valign=top><td style="height:62px;padding-left:92px" nowrap><div style="position:relative"><form name=f action=/s><input type=text name=wd id=kw size=42 maxlength=100> <input type=submit value=百度一下id=sb><div id=sug onselectstart="return false"></div><span id=hp><a href=/search/jiqiao.html>帮助</a><br><a href=/gaoji/advanced.html>高级</a></span></form></div></td></tr></table> </body>' select dbo.clearhtml(@mark) --result --登录新闻网页贴吧知道MP3图片视频帮助高级