有用sql语句一

 DECLARE
  @retval int,
  @param1 int
  EXECUTE @retval=master.dbo.xp_fileexist 'D:\TkSoft\SamplePic\FabricImg\A1NC8606.BMP', @param1 OUTPUT
  IF @param1 = 0
  PRINT 'File does not exist!'
  ELSE
  PRINT 'File exists!' 

  select * into samp
 from  openrowset('SQLOLEDB', '192.168.0.180'; 'sa'; 'hualong2012', soyerp.dbo.samp) 

 declare @auid nvarchar(50)
 declare auth_cur cursor for
 select replace(花型编号,' ','" "')
 from samp
 open auth_cur
 fetch next from auth_cur into @auid
 while (@@fetch_status=0)
   begin
    DECLARE
  @retval int,
  @param1 int,
  @name nvarchar(200)
  set @name='D:\TkSoft\SamplePic\FabricImg\'+@auid+'.BMP'
  EXECUTE @retval=master.dbo.xp_fileexist @name, @param1 OUTPUT
  IF @param1 = 0
  print @auid
     fetch next from auth_cur into @auid
   end
 close auth_cur
 deallocate auth_cur