解决并清除SQL被注入<script>恶意病毒代码的语句-白红宇

declare @t varchar(255),@c varchar(255)

declare table_cursor cursor for select a.name,b.name

from sysobjects a,syscolumns b ,systypes c

where a.id=b.id and a.xtype='u' and c.name

in ('char', 'nchar', 'nvarchar', 'varchar','text','ntext')

declare @str varchar(500),@str2 varchar(500)

set @str='<script src=http://r01.3322.org/c.js></script>'/*要替换的内容*/

set @str2=''

open table_cursor

fetch next from table_cursor

into @t,@c while(@@fetch_status=0)

begin exec('update [' + @t + '] set [' + @c + ']=replace(cast([' + @c + '] as varchar(8000)),'''+@str+''','''+ @str2 +''')')

fetch next from table_cursor

into @t,@c end close table_cursor deallocate table_cursor;

sql 去掉字段html代码 dbo.StripAllTags(ProductDetails)

CREATE

FUNCTION

[

dbo

[

StripAllTags

]

(

@input

VARCHAR(

8000)

NVARCHAR(MAX)--2000内改为VARCHAR(8000)

)

RETURNS

NVARCHAR(

MAX)

BEGIN

declare

@Result

nvarchar(

MAX),

@start

int,

@end

int,

@len

int

set

@input

set

@Result

set

@len

len(

@input)

set

@start

charindex(

@input,

set

@end

charindex(

@input,

@start)

while(

@start

@end)

begin

if(

@start

set

@Result

substring(

@input,

@start

set

@len

@end

set

@input

substring(

@input,

@end

@len)

set

@start

charindex(

@input,

set

@end

charindex(

@input,

@start)

end

RETURN

replace(

@Result,

'')

END

本文转自曾祥展博客园博客，原文链接：http://www.cnblogs.com/zengxiangzhan/archive/2010/02/08/1665660.html，如需转载请自行联系原作者