日期:2014-03-02 浏览次数:20571 次
                  
/*
author:amjn
date:2003-03-28
version:1.0
function:替换text,ntext列中的字符串(不支持中文)
*/
declare @ptr varbinary(16)
declare @amjnId int
declare @Position int,@len int
set @len=datalength('ILOVEHJL')  
declare wux_Cursor scroll Cursor
for 
select textptr([Name]),[amjnId] from USA201
for read only
open wux_Cursor
fetch next from wux_Cursor into @ptr,@amjnId
while @@fetch_status=0
begin
  
select @Position=patindex('%ILOVEHJL%',[Name]) from USA201 where [amjnId]=@amjnId
  
while @Position>0 
  
begin
    
set @Position=@Position-1
    
updatetext USA201.[Name] @ptr @Position @len 'i love hjl'
    
select @Position=patindex('%ILOVEHJL%',[Name]) from USA201 where [amjnId]=@amjnId
  
end
  
fetch next from wux_Cursor into @ptr,@amjnId
end
close wux_cursor
deallocate wux_cursor
go