原文：http://blog.csdn.net/liutt55/article/details/78126614

 

 

public void downProcessFile(HttpServletRequest request,HttpServletResponse response,String path){        try {            File file = new File(path);            String filename = file.getName();// 获取日志文件名称            InputStream fis = new BufferedInputStream(new FileInputStream(path));            byte[] buffer = new byte[fis.available()];            fis.read(buffer);            fis.close();            response.reset();            // 先去掉文件名称中的空格,然后转换编码格式为utf-8,保证不出现乱码,这个文件名称用于浏览器的下载框中自动显示的文件名            response.addHeader("Content-Disposition", "attachment;filename=" + new String(filename.replaceAll(" ", "").getBytes("utf-8"),"iso8859-1"));            response.addHeader("Content-Length", "" + file.length());            OutputStream os = new BufferedOutputStream(response.getOutputStream());            response.setContentType("application/octet-stream");            os.write(buffer);// 输出文件            os.flush();            os.close();        } catch (Exception e) {        }    }