To change this license header, choose License Headers in Project Properties.
To change this template file, choose Tools | Templates
and open the template in the editor. */ package org.camp.servlet;

import java.io.IOException; import java.io.PrintWriter; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import java.util.Random;

import java.util.Date; import java.util.Random; import javax.servlet.RequestDispatcher; import org.camp.servlet.ResultData;

/** *

@author guest1Day */ public class FortuneTelling extends HttpServlet {

/**
- Processes requests for both HTTP GET and POST
- methods.
- @param request servlet request
- @param response servlet response
- @throws ServletException if a servlet-specific error occurs
- @throws IOException if an I/O error occurs */ protected void processRequest(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { response.setContentType("text/html;charset=UTF-8"); try (PrintWriter out = response.getWriter()) {

String luckList [] = {"Daikichi", "Nakakichi", "Kichi", "Hankichi", "Suekokichi", "Bad", "Small", "Half", "Bad", "Bad" , "Danger"}; Random rand = new Random(); //乱数所得 Integer index = rand.nextInt(luckList.length); out.print ("Votre fortune aujourd'hui" + luckList [index]); /* TODO output your page here. You may use following sample code. / out.println(""); out.println(""); out.println(""); out.println("Servlet FortuneTelling");
out.println(""); out.println(""); out.println("

Servlet FortuneTelling at " + request.getContextPath() + "

"); out.println(""); out.println(""); ResultData data = new ResultData(); data.setD(new Date()); data.setLuck(luckList[index]); request.setAttribute("DATA",data); La partie (résultat) de la ligne ci-dessous sera affichée si le symbole est introuvable en raison d'une erreur. Veuillez noter que cela ne sert à rien même si vous essayez diverses choses. RequestDispatcher rd =request.getRequestDispatcher(result); rd.forward(request,response);
} } // /* * Handles the HTTP GET method. * * @param request servlet request * @param response servlet response * @throws ServletException if a servlet-specific error occurs * @throws IOException if an I/O error occurs */ @Override protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { processRequest(request, response); }

/**
 * Handles the HTTP <code>POST</code> method.
 *
 * @param request servlet request
 * @param response servlet response
 * @throws ServletException if a servlet-specific error occurs
 * @throws IOException if an I/O error occurs
 */
@Override
protected void doPost(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    processRequest(request, response);
}

/**
 * Returns a short description of the servlet.
 *
 * @return a String containing servlet description
 */
@Override
public String getServletInfo() {
    return "Short description";

}// </editor-fold>

}

[JAVA] Affichage d'erreur JSP à partir du servlet

Servlet FortuneTelling at " + request.getContextPath() + "