@RequestMapping(value = "indexoutput")
public void indexOutPut(HttpServletResponse response) throws ServiceException, IOException {
response.addHeader("Content-Disposition", "attachment; filename=output" + System.currentTimeMillis() + ".png");
File file = new File("C:\\Users\\Administrator\\Desktop\\ddd\\48.png");
FileInputStream fis = new FileInputStream(file);
byte[] bs = new byte[1024];
while(fis.read(bs)!=-1){
response.getOutputStream().write(bs);
}
response.flushBuffer();
fis.close();
}
修改filename为图片或excel等其他后缀即可下载