Download files for Java online. pdf

Download files for Java online. pdf

1. Download the local location of the resource

2. Setting the response header

3. Download the Code

1 Periodicalresource Periodicalresource =periodicalresourceservice.get (ID);2String FilePath =periodicalresource.getattachment ();//Get Resource location3        File File = new file (Periodicalbasedir + FilePath);//local source location4         if(File.exists ()) {5            Response.setcontenttype ("Application/force-download");//set force download does not open6Response.AddHeader ("Content-disposition",7"Attachment;filename=" + filepath.split ("/") [Filepath.split ("/"). Length-1]);//Set file name8             byte[] buffer =New byte[1024];9FileInputStream FIS =NULL;TenBufferedinputstream bis =NULL; One             Try { AFIS =Newfileinputstream (file); -bis =NewBufferedinputstream (FIS); -OutputStream OS =Response.getoutputstream (); the                 inti =bis.read (buffer); -                  while(I! =-1) { -Os.write (buffer, 0, i); -i =bis.read (buffer); +                 } -}Catch(Exception e) { + e.printstacktrace (); A}finally { at                 if(bis! =NULL) { -                     Try { - bis.close (); -}Catch(IOException e) { - e.printstacktrace (); -                     } in                 } -                 if(FIS! =NULL) { to                     Try { + fis.close (); -}Catch(IOException e) { the e.printstacktrace (); *                     } $                 }Panax Notoginseng             } -}

I didn't do it online. Now the project is used to let the great God sent a code look at their own research　

Download files for Java online. pdf