上传附件

 /**
  * 上传附件
  *
  * @return
  */
 public String addAttachment() {

  HttpServletResponse response = ServletActionContext.getResponse();

  
  response.setContentType("text/html;charset=utf-8");
  String message = new String();
//  String file1FileName="";
  PrintWriter pw = null;
  HttpServletRequest request = ServletActionContext.getRequest();
  String path = request.getRealPath("/uploadFiles/");
  try {
   pw = response.getWriter();
   String ret = checkFile();
   if (null != ret) {
    message = "{success:false,msg:'" + ret + "'}";
   } else {
    //String date = s_para_reportDate.substring(0, 4);
    
 //   String path = "/uploadFiles";

    String localPath = request
      .getRealPath("/uploadFiles");
    File pathDir = new File(localPath);
    if (pathDir.isDirectory()) {
     System.out.println("文件夹已经存在");
    } else {
     if (pathDir.mkdirs()) {
      System.out.println("新建目录成功");
     } else {
      System.out.println("新建目录失败");
     }
    }
//    String fileName = s_para_fileName.substring(s_para_fileName
//      .lastIndexOf('.'));
//    uploadFileName = new Date().getTime() +"";
//     file1FileName =uploadFileName + fileName;
    try {
     // 以服务器的文件保存地址和原文件名建立上传文件输出流
     FileOutputStream fos = new FileOutputStream(localPath
       + File.separator + uploadFileName);
     FileInputStream fis = new FileInputStream(getFile1());
     byte[] buffer = new byte[1024];
     int len = 0;
     while ((len = fis.read(buffer)) > 0) {
      fos.write(buffer, 0, len);
     }
     fos.close();
    } catch (FileNotFoundException e1) {
     e1.printStackTrace();
    } catch (IOException e) {
     e.printStackTrace();
    }

 //   String upload = path + "/" + file1FileName;
    
    message = "{success:true,msg:'上传成功',area:'" + file1FileName
      + "'}";
   }

  } catch (Exception e) {
   message = "{success:false,msg:'服务器运行时错误，请联系管理员!'}";
   e.printStackTrace();
  } finally {
   pw.write(message);
   pw.flush();
   pw.close();
   pw = null;
  }
//  String pathTmp = request.getContextPath();
  //article.setAuthor(userName);
  //article.setFileName(uploadFileName);
  //article.setUploadDate(new Date());
  //article.setFilePath(request.getScheme() + "://"
   // + request.getServerName() + ":" + request.getServerPort()
   // + pathTmp + "/uploadFiles/" + file1FileName);

  int beginIndex = file1FileName.indexOf(".");
  String append = file1FileName.substring(beginIndex);
  String nowTime = new SimpleDateFormat("yyyyMMdd-HH-mm-ss")
  .format(new Date());

  File Old = new File(path+File.separator+uploadFileName);
  File New = new File(path+File.separator+nowTime+append);
  Old.renameTo(New);
  
  Dictionary dictionary = dictionaryService.findById(new Long(117));
  String keyNo = dictionary.getKeyNo();
  Long idTmp = new Long(keyNo);
  idTmp++;
  dictionary.setKeyNo(idTmp.toString());
  dictionaryService.updateDictionary(dictionary, new Long(117));//117对应dictionary表中id为117的记录
  //article.setListId(idTmp);
  
  ActionContext actionContext = ActionContext.getContext();
  Map<String, String> session = actionContext.getSession();
  session.put("fileName",file1FileName);//fileName保存的是处理后的名，因为在JSP中，超链接是打不开中文文件的
  session.put("filePath",nowTime+append);//filePath保存的是文件的真实名
  session.put("listId",idTmp.toString());

  return SUCCESS;
 }