/*--text字段的替换处理
--*/
--创建数据测试环境
--create table #tb(aa text)
declare @s_str varchar(8000),@d_str varchar(8000), --定义替换的字符串
@p varbinary(16),@postion int,@rplen int,@i_Start int, @i_End int
select identity(int,1,1) as [id],newsid into # from news
select @i_Start=min([id]),@i_End=max([id]) from #
while (@i_Start<=@i_End)
begin
--insert into #tb(aa) select content from # where [id]=@i_Start
select @s_str='\' --要替换的字符串
,@d_str='!' --替换成的字符串
--字符串替换处理
select @p=textptr(content),@rplen=len(@s_str),@postion=charindex(@s_str,content)-1 from news where newsid in (select top 1 newsid from # where [id]=@i_Start)
while @postion>0
begin
updatetext news.content @p @postion @rplen @d_str
select @postion=charindex(@s_str,content)-1 from news where newsid in (select top 1 newsid from # where [id]=@i_Start)
end
--truncate table #tb
select @i_Start=@i_Start+1
end
--删除数据测试环境
--drop table #tb
drop table #
