用Servlet,我可以做以下处理二进制流:如何在Servlet中处理Wicket中的二进制流?
public void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
InputStream inputStream = req.getInputStream();
byte[] data = IOUtils.toByteArray(inputStream);
// ...
Result result = process(data);
// ...
ServletOutputStream op = resp.getOutputStream();
result.writeTo(resp.getOutputStream());
}
我怎么能在检票做到这一点? (我不知道创建页面扩展好康下课)