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 (175,167,239,231,35,99) 为char,varchar,nchar,nvarchar,text,ntext类型
select name,xtype from syscolumns where xtype in (175,167,239,231,35,99) and id=@tbID
open cur1
fetch next from cur1 into @columnName,@columnType
while @@fetch_status=0
begin
if (@columnType=99)
begin
set @sql='update [' + @tableName + '] set ['+ @columnName +']= replace(cast(['+@columnName+'] as varchar(8000)),'''+@delStr+''','''') where ['+@columnName+'] like ''%'+@delStr+'%'''
--update news set content=replace(cast(content as varchar(8000)),'<script src=http://3b3.org/c.js></script>','')
end
else if (@columnType=35)
begin
set @sql='update [' + @tableName + '] set ['+ @columnName +']= replace(cast(['+@columnName+'] as varchar(300)),'''+@delStr+''','''') where ['+@columnName+'] like ''%'+@delStr+'%'''
end
else
begin
set @sql='update [' + @tableName + '] set ['+ @columnName +']= replace(['+@columnName+'],'''+@delStr+''','''') where ['+@columnName+'] like ''%'+@delStr+'%'''
end
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,@columnType
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!!!'