springMVC文件上传与下载

/**
 *文件上传
 */

@RequestMapping(value = { "download" })
@ResponseBody
    public void download(
            HttpServletResponse response, HttpServletRequest request) throws IOException {
        String path=request.getServletContext().getRealPath("/")+"WEB-INF/download/erep/";
        String fileName="模板.xls";
        File file1=new File(path,fileName);
        response.setCharacterEncoding("UTF-8");
        //response.setContentType("application/x-msdownload");
        //response.setContentType("application/octet-stream; charset=utf-8");
        response.setHeader("Content-Disposition", "attachment; filename="+new String(fileName.getBytes("gbk"),"iso-8859-1"));
        response.setHeader("Content-Length", String.valueOf(file1.length()));
        ServletOutputStream out = response.getOutputStream();
        byte[] array = FileUtils.readFileToByteArray(file1);
        out.write(array);
        out.flush();
        out.close();
        
        
    }

　　　　　/**
　　　　　 *文件上传
　　　　　 */
　　　　　@RequestMapping(value = { "upload" })
	@ResponseBody
	public void upload(@RequestParam("file") MultipartFile file,
			HttpServletResponse response, HttpServletRequest request) throws IOException {
		String name = file.getOriginalFilename();
		String filename=UUID.randomUUID().toString()+name;
		String path=request.getServletContext().getRealPath("/")+"WEB-INF/download/erep/";
		FileUtils.copyInputStreamToFile(file.getInputStream(), new File(path+filename));
	}