像我有我正在转换为byte[]
并保存在数据库中,而在该文件中有UI文件链接的用户点击下载,下载我写了一个方法字节[]为下载
public void downloadDeclarationForm(HttpServletRequest request,
HttpServletResponse response) throws IOException {
int payrollId = RequestUtils.getBrowsePayroll(request);
Payroll payroll = itConfigManager.getObjectOrNull(Payroll.class, payrollId);
int year = payrollManager.getYear(payroll.getFromDate());
int id = NumberUtils.toInt(request.getParameter("id"));
try {
byte[] byteBuf = itConfigManager.getDeclarationFormBytes(id, year);
ControllerUtils.writeFileUploadHeaders(response,
itConfigManager.getFileName(id, year), byteBuf.length);
//response.setContentType("image/jpeg");
OutputStream stream = new ByteArrayOutputStream();
response.getOutputStream().write(byteBuf);
response.getOutputStream().flush();
response.getOutputStream().close();
} catch (Exception e) {
e.printStackTrace();
response.getOutputStream().print(
"Error while fetching attachment..");
} finally {
response.getOutputStream().close();
}
}
,而我的下载链接,点击它打开下载窗口,甚至在该窗口中的文件名来正确与正确的扩展名,但它不是打开该文件,如果我保存该文件保存到磁盘,然后尝试打开它不开放谁能帮我 ?