上传下载

SimpleDateFormat sdf=new SimpleDateFormat("yyyy-MM-dd"); @RequestMapping(value = "/uploadfile",method = RequestMethod.POST) public int upload(@RequestParam("templateFile")MultipartFile file, HttpServletRequest request, User u ) { String realPath = request.getSession().getServletContext().getRealPath("load"); String date = sdf.format(new Date()); System.out.println(realPath); File folder=new File(realPath); if(!folder.isDirectory()) { folder.mkdirs(); } String oldname = file.getOriginalFilename(); //用于数据库的filerealname Date filetime=null; try { filetime= sdf.parse(date); //用于数据库的filetime } catch (ParseException e1) { // TODO Auto-generated catch block e1.printStackTrace(); } String newname=UUID.randomUUID().toString()+oldname.substring(oldname.lastIndexOf(".")); //上传于数据的filename try { file.transferTo(new File(folder,newname)); } catch (IllegalStateException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } Sys_school_level_materials s=new Sys_school_level_materials(); s.setFilerealname(oldname); s.setFiletime(filetime); s.setFilelocal(realPath); s.setUploadedby("管理员"); s.setFilename(newname); return service.uploadinfor(s); } //文件下载 @RequestMapping("/Download") public void Download(HttpServletRequest request, HttpServletResponse response,Sys_school_level_materials down) { Sys_school_level_materials downloadInfo = service.DownloadInfo(down); String filelocal = downloadInfo.getFilelocal();//选择下载的路径名； String filename = downloadInfo.getFilename();//要下载的文件 }