java文件下载

/**

* zip 导出

* @param response

* @param zipName

* @throws Exception

*/

private void outZip(HttpServletResponse response, String zipName) throws Exception {

// tempFilePath 为服务器上文件保存路径

String zipPathName = tempFilePath + File.separator + zipName;

BufferedOutputStream out = null;

InputStream in = null;

try {

response.setContentType("application/x-download");

response.setHeader("Content-Disposition", "attachment; filename=" + URLEncoder.encode(zipName, "UTF-8"));

out = new BufferedOutputStream(response.getOutputStream());// 获取输出流

in = new BufferedInputStream(new FileInputStream(new File(zipPathName)));// 将文件读取

byte[] b = new byte[in.available()];

in.read(b);

out.write(b);

out.flush();

} catch (Exception e) {

throw e;

} finally {

try {

if (in != null)

in.close();

if (out != null)

out.close();

} catch (IOException e) {

throw e;

}

}