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@RequestMapping(value = "/downloadtradeinfo")
public void downloadtradeinfo(Model model, HttpServletRequest request,HttpServletResponse response) {		
	try {
		String modlename="文件FOO.doc";
		String templateFilePath =  "D:"+File.separator+modlename;
		BufferedInputStream bis=null;
		BufferedOutputStream bos=null;
		OutputStream fos=null;
		InputStream fis = null;
		File file = new File(templateFilePath);
		fis= new FileInputStream(file);
		bis = new BufferedInputStream(fis);

		fos= response.getOutputStream();
		bos= new BufferedOutputStream(fos);
		response.setHeader("Content-disposition", "attachment;filename="+java.net.URLEncoder.encode(modlename, "UTF-8"));
		int bytesRead=0;
		byte[] buffer= new byte[8192];
		while((bytesRead=bis.read(buffer,0,8192))!=-1){
			bos.write(buffer,0,bytesRead);
		}
		bos.flush();
		bis.close();
		bos.close();
		fos.close();
		fis.close();
	} catch (Exception e) {
		e.printStackTrace();
	}	
}

文件下载

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原文地址：http://blog.csdn.net/u010081710/article/details/43525493