JSP Uploader上传文件

-----------------------------------JSP页面------------------------------------------------------ < form  name ="form1"  method ="post"  action ="SaveFile.do"  enctype ="multipart/form-data" > < tr  bgcolor ="#f7f7f7"   >         < td  class ="efLb"  rowspan ="3"  width ="12%" > 附件： </ td >        < td  colspan ="3"  class ="efEditRight" >           < input  type ="file"  name ="file1"  size ="35" ></ td >      </ tr >      < tr  bgcolor ="#ffffff"   >         < td  colspan ="3"  class ="efEditRight" >           < input  type ="file"  name ="file2"  size ="35" >        </ td >      </ tr >      < tr  bgcolor ="#f7f7f7"   >         < td  colspan ="3"  class ="efEditRight" >           < input  type ="file"  name ="file3"  size ="35" >        </ td >      </ tr > </ form > ------------------------------------处理---------------------------------------------------//获取附件          Uploader uploader=new Uploader(request,response);                 //设置其它属性        uploader.upload();//解析上传数据。        uploader.setDeniedFiles("exe,com");        uploader.setMaxFileSize(10*1024*1024);        String fileroot=request.getRealPath("/infordp/uploadfile");        //uploader.setSavePath(fileroot);        //uploader.save2File();//将上传文件保存到服务器上的指定目录中?                               UploadFiles files=uploader.getUploadFiles();        this.saveFiles(files,fileroot);   ---------------------------------方法(可以避免重名)---------------------------------------------------------       新文件名==文件名+当前时间+取随即数2位。             private void saveFiles(UploadFiles files,String fileroot) throws Exception{         for(int m=0;m < files .getCount();m++){            if(files.getFile(m).getSize() > 0){                String newFileName =files.getFile(m).getFileName();                int   n=100;                                                                //随机数的上限                 String fileFinalName=newFileName.substring(0,newFileName.lastIndexOf(".")) +//不含后缀的原文件名                DateTimeUtil.formatDateTime(new   Date(),   "yyyyMMddHHmmss")  +            //当前时间                (new   Random().nextInt(n))+ //取随机数2位                newFileName.substring(newFileName.lastIndexOf("."));//原文件名后缀                 System.out.println(fileFinalName);                java.io.File file = new File(fileroot,fileFinalName);                  java.io.FileOutputStream writer = new FileOutputStream(file);                    writer.write(files.getFile(m).getData());                   writer.close();            }                     }    }