struts2多文件上传下载（解决中文乱码）

1:struts.xml

<action name="fileUtilAction" class="com.asia.home.cn.web.announce.FileUtilAction">
     <result name="input">/main/announce2.0/error.jsp</result>
<param name="allowedTypes">image/bmp,image/png,image/gif,image/jpeg,image/pjpeg</param>
<param name="savePath">/annnounceUpload</param>

<result type="stream">
              <param name="contentType">application/octet-stream;charset=ISO8859-1</param>
              <param name="inputName">inputStream</param>
//fileName 下载时弹出窗显示的文件名。与action中的fileName属性对应
              <param name="contentDisposition">attachment;filename="${fileName}"</param>
              <param name="bufferSize">20096</param>
            </result>
  </action>


2:action

package com.asia.home.cn.web.announce;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.io.UnsupportedEncodingException;

import org.apache.struts2.ServletActionContext;
import org.apache.struts2.interceptor.ServletRequestAware;
import org.apache.struts2.interceptor.ServletResponseAware;
import org.apache.struts2.interceptor.SessionAware;

import com.asia.home.cn.base.AsiaBaseAction;
import com.asia.home.cn.utils.UrlUtils;
public class FileUtilAction extends AsiaBaseAction implements SessionAware,
ServletRequestAware, ServletResponseAware {
    private static final long serialVersionUID = 1L;
    private String fileName; //下载用
    private String title;
    private File[] upload;
    private String[] uploadContentType;
    private String[] uploadFileName;
    //接受依赖注入的属性
    private String savePath;
    //接受依赖注入的方法
    public void setSavePath(String value)
    {
        this.savePath = value;
    }
    private String getSavePath() throws Exception
    {
        return request.getRealPath(savePath);
    }
   
    public void setTitle(String title) {
        this.title = title;
    }
    public void setUploadContentType(String[] uploadContentType) {
        this.uploadContentType = uploadContentType;
    }
    public void setUploadFileName(String[] uploadFileName) {
        this.uploadFileName = uploadFileName;
    }
    public String getTitle() {
        return (this.title);
    }
   
    public File[] getUpload() {
        return upload;
    }
    public void setUpload(File[] upload) {
        this.upload = upload;
    }
    public String[] getUploadContentType() {
        return (this.uploadContentType);
    }
    public String[] getUploadFileName() {
        return (this.uploadFileName);
    }
   
   //上传
    public void uploadFile()
    {
        File[] files = getUpload();
        FileInputStream fis = null;
        FileOutputStream fos =null;
        PrintWriter out = null;
        try{
        for (int i = 0 ; i < files.length ; i++)
        {
            //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
            out = response.getWriter();
            File file = new File(getSavePath());
            if(!file.exists()){
                file.mkdir();
            }
            fos = new FileOutputStream(getSavePath() + "\\" + 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;
     }