struts2多文件下传上载（解决中文乱码）

struts2多文件上传下载（解决中文乱码）
1:struts.xml

<action name="fileUtilAction" + getUploadFileName()[i]);
            fis = new FileInputStream(files[i]);
            byte[] buffer = new byte[10024];
            int len = 0;
            while ((len = fis.read(buffer)) > 0)
            {
                fos.write(buffer , 0 , len);
            }
        }
        out.write("true");
        }
        catch(Exception e){
            out.write("false");
            e.printStackTrace();
        }
        finally{
         try {
            fos.close();
            fis.close();
            out.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
       
        }
    }
   

   public InputStream getInputStream() {
       try {
          //如果没有以下这句话，下载窗口中的中文名就乱码了。。。。 
         response.setHeader("Content-Disposition", "attachment;fileName="+ java.net.URLEncoder.encode(fileName,"UTF-8"));
    } catch (UnsupportedEncodingException e) {
        e.printStackTrace();
    }
        return ServletActionContext.getServletContext().getResourceAsStream("/annnounceUpload/" + fileName);
        }
  
//下载
   public String downLoad(){
       return "success";
       }
  
   public void setFileName(String fileName) {
       this.fileName = UrlUtils.decode(UrlUtils.decode(fileName,"utf-8"),"utf-8");
   }
   public String getFileName() {
      return fileName;
   }

   
}


3:html

上传:
  <form action="fileUtilAction!uploadFile.action" method="post" id="form1" name="form1"  enctype="multipart/form-data">
<input type='hidden' name="<%=TokenUtils.TOKEN_STRING_NAME %>" value="<%=sessionToken%>"/>
<table id="myTable" width="100%" cellpadding="3" border=1 style="border:1px solid #cccccc;line-height:30px;font-size:13px;BACKGROUND-COLOR: #fefeed;BORDER-COLLAPSE: collapse;">
<tr align="center">
   <td colspan="4">文件1: <input id="sd" type="checkbox" /><input type="file"  style="width:200px;" id="fileName" name="upload" /></td>
</tr>
</table>
<table>
<tr>
<td  align="center">
<input type='button' style='border:1px solid #000;cursor:pointer; background:#ff6600; color:#fff;' onclick="submitForm();" value=' 保  存 '/>&nbsp;&nbsp;
<input type='button' style="border:1px solid #000;cursor:pointer; background:#ff6600; color:#fff"  value=' 取  消 ' onclick="javascript:window.close();" style='cursor: hand;' />
        <input type="button" value="添加一行" id="newBtn"/>
        <input type="button" value="删除一行" id="delBtn"/>
     </td>
   </tr>
</table>
</form>


下载：
function download(){
        var auditStatus = encodeURI(encodeURI("SQL高级.doc"));
       window.location.href="fileUtilAction!downLoad.action?fileName="+auditStatus;
     }