import java.io.*; import java.util.StringTokenizer; import javax.servlet.http.*; public class Quiz extends HttpServlet { @Override public void doGet(HttpServletRequest req, HttpServletResponse res) throws IOException { doPost(req, res); } @Override public void doPost(HttpServletRequest req, HttpServletResponse res) throws IOException { res.setContentType("text/html; charset=Windows-31J"); PrintWriter out = res.getWriter(); out.println(""); int number=0, score=0, answer=0; String message; File f = new File(getServletContext().getRealPath("/quiz.txt")); BufferedReader in = new BufferedReader (new InputStreamReader(new FileInputStream(f), "Windows-31J")); String line=""; int i; HttpSession session = req.getSession(true) ; try { // 最初の問ではないと仮定する。 answer = Integer.parseInt(req.getParameter("answer")); number = Integer.parseInt((String)session.getAttribute("number")); score = Integer.parseInt((String)session.getAttribute("score")); for (i=0; iこれで QUIZは終わりです。
"); out.println("正解数は、"+score+"問でした。"); session.invalidate(); } else { StringTokenizer st1 = new StringTokenizer(line); out.println("次の問: "+st1.nextToken()+"
"); out.println(""); session.setAttribute("number", Integer.toString(number+1)); session.setAttribute("score", Integer.toString(score)); } out.println(""); out.close(); } }