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      public class ToHtml extends HttpServlet {
       public void service(HttpServletRequest request, HttpServletResponse response)
         throws ServletException, IOException {
        String url = "";
        String name = "";
        ServletContext sc = getServletContext();
        String file_name = request.getParameter("file_name");// ÄãÒª·ÃÎʵÄjsp ÎļþÃû,Èçindex£¬²»°üÀ¨À©Õ¹Ãû
        // ÔòÄã·ÃÎÊÕâ¸öservletʱ¼Ó²ÎÊý.Èçhttp://localhost/test/toHtml?file_name=index
        url = "/" + file_name + ".jsf";// ÄãÒªÉú³ÉµÄÒ³ÃæµÄÎļþÃû¡£ÎÒµÄÀ©Õ¹ÃûΪjsf .
        name = ConfConstants.CONTEXT_PATH+"\\"+ file_name + ".htm";// ÕâÊÇÉú³ÉµÄhtmlÎļþÃû,Èçindex.htm.ÎļþÃû×ÖÓëÔ´ÎļþÃûÏàͬ¡£À©Õ¹ÃûΪhtm
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        RequestDispatcher rd = sc.getRequestDispatcher(url);
        final ByteArrayOutputStream ōs = new ByteArrayOutputStream();
        final ServletOutputStream stream = new ServletOutputStream() {
         public void write(byte[] data, int offset, int length) {
          os.write(data, offset, length);
         }
         public void write(int b) throws IOException {
          os.


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  private static double remainTwoNumbers(double d){
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