jsp下载 java BufferedInputStream 读取excel文件 这样就不出...

//下载

response.setContentType("text/html;charset=utf-8");

try {

request.setCharacterEncoding("UTF-8");

} catch (UnsupportedEncodingException e1) {

e1.printStackTrace();

}

BufferedInputStream bis = null;

BufferedOutputStream bos = null;

String downLoadPath ="c:\\huiyuan.xls";

try {

long fileLength = new File(downLoadPath).length();

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

response.setHeader("Content-disposition", "attachment; filename="

+ new String("会员管理名单.xls".getBytes("utf-8"), "ISO8859-1"));

response.setHeader("Content-Length", String.valueOf(fileLength));

bis = new BufferedInputStream(new FileInputStream(downLoadPath));

bos = new BufferedOutputStream(response.getOutputStream());

byte[] buff = new byte[2048];

int bytesRead;

while (-1 != (bytesRead = bis.read(buff, 0, buff.length))) {

bos.write(buff, 0, bytesRead);

}

} catch (Exception e) {

e.printStackTrace();

return null;

} finally {

try {

if(bis!=null)

bis.close();

if(bos!=null)

bos.close();

} catch (IOException e) {

// TODO Auto-generated catch block

e.printStackTrace();

}

}

return null;

}