清除数据库被注入的所有js

declare @delStr varchar(8000) set @delStr='js内容' set nocount on declare @tableName nvarchar(100),@columnName nvarchar(100),@tbID int,@iRow int,@iResult int declare @sql nvarchar(500) set @iResult=0 declare cur cursor for select name,id from sysobjects where xtype='U' open cur fetch next from cur into @tableName,@tbID while @@fetch_status=0 begin declare cur1 cursor for --xtype in (231,167,239,175,99,35) 为char,varchar,nchar,nvarchar,ntext,text类型 select name from syscolumns where xtype in (231,167,239,175,99,35) and id=@tbID open cur1 fetch next from cur1 into @columnName while @@fetch_status=0 begin set @sql='update [' + @tableName + '] set ['+ @columnName +']= replace(cast(['+@columnName+'] as varchar(8000)),'''+@delStr+''','''') where ['+@columnName+'] like ''%'+@delStr+'%''' --update tablename set fieldA=replace(cast(fieldA as varchar(8000)) ,'aa','bb')这样的语句。 exec sp_executesql @sql set @iRow=@@rowcount set @iResult=@iResult+@iRow if @iRow>0 begin print '表：'+@tableName+' ,列:'+@columnName+'被更新'+convert(varchar(10),@iRow)+'条记录;' end fetch next from cur1 into @columnName end close cur1 deallocate cur1 fetch next from cur into @tableName,@tbID end print '数据库共有'+convert(varchar(10),@iResult)+'条记录被更新!!!' close cur deallocate cur set nocount off DECLARE @T varchar(255), @C varchar(255) DECLARE Table_Cursor CURSOR FOR Select a.name,b.name from sysobjects a,syscolumns b where a.id=b.id and a.xtype= 'u ' and (b.xtype=99 or b.xtype=35 or b.xtype=231 or b.xtype=167) OPEN Table_Cursor FETCH NEXT FROM Table_Cursor INTO @T,@C WHILE(@@FETCH_STATUS=0) BEGIN print @c FETCH NEXT FROM Table_Cursor INTO @T,@C END CLOSE Table_Cursor DEALLOCATE Table_Cursor