easyui SWFUpload

业务背景：实现一个用药人的增加功能，用药人信息中包含附件。如题所示，主要讨论easyui上传的实现。
jsp页面代码（弹出框），一个简单的增加页面

  div id=addMedicationDlg class=easyui-window closed=true title= iconCls=icon-add style=width350px; height390px;text-aligncenter; background #fafafa;
          div class=easyui-layout fit=true
              div region=center border=false style=background#fff;border1px solid #ccc;padding-left 20px;
                  input type=hidden id=mid name=mid 
                  form id=addMedicationForm  method=POST
                         input type=hidden id=sex  
                      table border=0 class=queryTable  style=margin-bottom 0px
                         
                         tr
                             td class=queryTitle附件：td
                             td class=queryContent
                                    input class=inputText type=text id=urlkeywords!-- 放入的是附件路径--
                                    input  type=hidden id=goodsNo  name=goodsNo !-- 附件列表 --
                                  input type=hidden class=inputText id=swfText
                                  span id=keyWordImportBtnspan!--上传按钮--
                            td
                            td
                                   <!--显示进度条-->
                                 div id=fsUploadProgressdiv
                                 div id=divStatus style=display none;div
                                 input id=btnCancel type=buttondisabled=disabled style=display none 
                             td
                         tr
                     table
                   table border=0 class=queryTable  style=margin-bottom 0px  id=fileIdTlb
                         tbody
                          tbody 
                   table 
                 form
             div
             div region=south border=false style=text-aligncenter;height30px;line-height30px;
                 a class=easyui-linkbutton iconCls=icon-ok href=javascriptvoid(0) onclick=doPostData()确定a
                 a class=easyui-linkbutton iconCls=icon-cancel href=javascriptvoid(0) onclick=cancelPostData('addMedicationDlg')取消a
             div
         div
 div

js文件代码

/**
    * 打开修改&增加用药人窗口
    */
   function doModifyMedication (mid){
      //弹出修改&增加用药人窗口
     $('#addMedicationDlg').window({
          title  '修改用药人',
          iconCls  'icon-edit',
          width750,
          height550,
          left250,
          modal  true,
          shadow  true,
          collapsible  false,
          minimizable  false,
          maximizable  false
      });
      $(#addMedicationDlg).show();
      $('#addMedicationDlg').window('move',{top20});
      $('#addMedicationDlg').window('open');
       //这一步很关键，初始化上传操作
       initSWFUpload({
              upload_url appPath + pagequeryMedicationkeyWordImport+generateMixed(6),
              post_params{}, 
              button_placeholder_id keyWordImportBtn,
              upload_start_handler  uploadStartFn,
              upload_success_handler  importOk,
              file_types  .png;.jpg;.gif,
              debugfalse,
              custom_settings  {
                  progressTarget  fsUploadProgress,
                  cancelButtonId  btnCancel
              } 
       });
  }
  /**
    *保存提交
    */
  function doPostData(){
            //序列化表单
          var userinfo = $('#addMedicationForm').serialize();
          doAjax({
              urlappPath + 'pagequeryMedicationaddMedication'+ memberId,
              type'POST',
              datauserinfo,
              successfunction(data){
                   if(data ==true){
                       $.messager.alert('提示信息','保存成功','info');
                      $('#selectMedicineManDlg').window('close');
                      cancelPostData('addMedicationDlg');
                      lookMedication(memberId);
                 }else{
                     $.messager.alert('提示信息','抱歉，操作未能完成，'+data,'error');
                 }
             },
             errorfunction(XMLHttpRequest, textStatus, errorThrown){
                 $.messager.alert('提示信息','抱歉，操作未能完成，'+textStatus,'error');
             }
         });    
 }
 /**
   *取消提交
   *@param dlg
   */
 function cancelPostData(dlg){
     $('#'+dlg).window('close');
 }

后台java代码

     /**
     * 保存文件（在文件初始化的时候执行）
     * 
     * @param request
     * @param response
     * @param uploadFile
     * @throws Exception
     */
    @RequestMapping(value = "/keyWordImport")
    public Object keyWordImport(HttpServletRequest request,
            HttpServletResponse response,
            @RequestParam("uploadFile") MultipartFile f) throws Exception {
        request.setCharacterEncoding("utf-8");
        response.setCharacterEncoding("utf-8");
        HashMap<String, Object> map = new HashMap<String, Object>();
        String type = "" ;
        String splitKey = "";
        
        //---设置字符集
        try {
            request.setCharacterEncoding("utf-8");
        } catch (Exception e) {
            e.printStackTrace();
        }
        response.setCharacterEncoding("utf-8");
        
        if (null != request.getParameter("splitKey")){
             splitKey = request.getParameter("splitKey");
        }
        
        //---获取文件名称、文件后缀名称以及生成新名称
        String oldFileName = f.getOriginalFilename(); 
        if(null!=oldFileName && oldFileName.contains(".")){
            type = oldFileName.substring(oldFileName.lastIndexOf(".")).toLowerCase();
        }
        String newFileName =oldFileName.substring(0,oldFileName.lastIndexOf("."))+String.valueOf(System.currentTimeMillis())+type;
        try {
            // ---获取文件保存目录名称

            String saveFolder = request.getSession().getServletContext()
                    .getRealPath("upload")
                    + "/" +  "otcFolder";
            
            String  newFileNamePath = "/upload/otcFolder/"+ newFileName;
            map.put("newFileName", newFileNamePath);
            
            // ---上传
            Map<String, Object> res = uploadService.doUpload(saveFolder,
                    f.getBytes(), newFileName, splitKey, "otcFolder");
            // ---返回值
            if (0 == (Integer) res.get("error")) {
                request.setAttribute("res", "success");
                response.getWriter().write(org.json.simple.JSONObject.toJSONString(map));
            } else {
                request.setAttribute("res",
                        "err : " + (String) res.get("message"));
            }
        } catch (Exception e) {
            request.setAttribute("res", "err : " + e.getMessage());
            logger.error("upload failed in action " + e.getMessage());
    }
           return null;
  }
         //保存用药人新增数据
    @RequestMapping(value="/addMedication/{memberId}")
    @ResponseBody
    public  String addMedication (HttpServletRequest request ,@PathVariable Long memberId,Medication medication) throws Exception {
        String fileList = medication.getGoodsNo();
        String temps [] =fileList.split(",");
        List<MedicationMemberFile> list =new ArrayList<MedicationMemberFile>();
        for (int  i = 0 ;i<temps.length ; i++){
            MedicationMemberFile medicationMemberFile = new MedicationMemberFile();
            if (temps[i].trim().length() >0 || temps[i].trim() != null){
                medicationMemberFile.setFilePath(temps[i]);
                list.add(medicationMemberFile);
            }
        }
         medication.setMedicationMemberFile(list);
         medication.setMemberId(memberId);
        String  result ="";
        String resultDataRecord = SOAJsonClient.sendMsgToOtc(OtcJsonCodeRelation.JsonAssignedDetailsTasksService_setAddMedication,JSON.toJSONString(medication) );
        JSONObject objectRecord = JSONObject.fromObject(resultDataRecord);
         String  objectstate=String.valueOf(objectRecord.get("state"));
         if(objectstate.trim().length() >0 &&  objectstate.equals("0")){
             result ="true";
         }
         return result;
    }