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public void getUnbondFile(HttpServletResponse response) throws FileNotFoundException, UnsupportedEncodingException {
        String fileName = "批量解绑设备模板.xlsx";
        File file = ResourceUtils.getFile("classpath:static/unbondFile.xlsx");
        response.setContentType("application/force-download");
        response.addHeader("Content-Disposition", "attachment;fileName=" + new String(fileName.getBytes("gb2312"),"ISO8859-1"));
        byte[] buffer = new byte[1024];
        FileInputStream fis = null;
        BufferedInputStream bis = null;
        OutputStream outputStream = null;
        try {
            bis = new BufferedInputStream(new FileInputStream(file));
            outputStream = response.getOutputStream();
            int i = bis.read(buffer);
            while (i != -1) {
                outputStream.write(buffer, 0, i);
                i = bis.read(buffer);
            }
            outputStream.flush();
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            if (outputStream != null) {
                try {
                    outputStream.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
            if (bis != null) {
                try {
                    bis.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
            if (fis != null) {
                try {
                    fis.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }

    }

涉及到java读取Resources路径下的文件,和如何让浏览器下载文件,以及下载文件名的编码格式。

本文标签: 浏览器文件SpringBoot