springboot 文件打包下载

BufferedInputStream bufferedInputStream = null;
ZipOutputStream zipOutputStream = null;
OutputStream outputStream = null;
try {
    outputStream = response.getOutputStream();
    response.reset();
    response.setHeader("Content-Disposition",
            "attachment;filename=" +  new String(fileName.getBytes("UTF-8"), "iso-8859-1"));
    response.setHeader("Access-Control-Allow-Origin", "*");
    response.setContentType("application/octet-stream; charset=utf-8");
    response.setCharacterEncoding("UTF-8");
    zipOutputStream = new ZipOutputStream(outputStream);
        String filePath = "E:\ChromeDownLoad\11.png";
        File file = new File(filePath);
        if (file.exists()) {
            fileCount--;
            // 创建ZIP实体，并添加进压缩包 (这里可能会有重名问题，需要加个标识)
            ZipEntry zipEntry = new ZipEntry(UUID.randomUUID().toString() + "_" + "11.png");
            zipOutputStream.putNextEntry(zipEntry);
            // 读取待压缩的文件并写进压缩包里
            bufferedInputStream = new BufferedInputStream(new FileInputStream(file), 1024 * 10);
            int len;
            // 定义每次读取的字节数组
            byte[] buffer = new byte[1024];
            while ((len = bufferedInputStream.read(buffer)) != -1) {
                zipOutputStream.write(buffer, 0, len);
            }
        }
    
    zipOutputStream.flush();
    zipOutputStream.close();
} catch (IOException e) {
    throw new RuntimeException(e);
} finally {
    // 关闭流
    try {
        if (null != bufferedInputStream) {
            bufferedInputStream.close();
        }
        if (null != zipOutputStream) {
            zipOutputStream.close();
        }
        if (null != outputStream) {
            outputStream.close();
        }
    } catch (IOException e) {
        log.error("IOException occureds...", e);
    }
}