Tout d'abord voci la page qui contient le formulaire :
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| <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> | |
| <html> | |
| <head> | |
| <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> | |
| <title>Insert title here</title> | |
| </head> | |
| <body> | |
| <form action="/DemoJsp/Maservlet"> | |
| Nom | |
| <input name="nom"> | |
| Prenom | |
| <input name="prenom"> | |
| <input type="submit" value="Ok"> | |
| </form> | |
| </body> | |
| </html> |
Voici le code de la servlet
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| package ServletController; | |
| import java.io.IOException; | |
| import javax.servlet.ServletException; | |
| import javax.servlet.annotation.WebServlet; | |
| import javax.servlet.http.HttpServlet; | |
| import javax.servlet.http.HttpServletRequest; | |
| import javax.servlet.http.HttpServletResponse; | |
| /** | |
| * Servlet implementation class Maservlet | |
| */ | |
| @WebServlet("/Maservlet") | |
| public class Maservlet extends HttpServlet { | |
| private static final long serialVersionUID = 1L; | |
| /** | |
| * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response) | |
| */ | |
| protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { | |
| // TODO Auto-generated method stub | |
| String nom=request.getParameter("nom"); | |
| String prenom=request.getParameter("prenom"); | |
| request.setAttribute("idnom", nom); | |
| request.setAttribute("idprenom", prenom); | |
| getServletContext().getRequestDispatcher("/ResultatInscription.jsp").forward(request, response); | |
| } | |
| } |
request.getParameter("nom") et request.getParameter("prenom"):La recuperation des valeurs des champs.
request.setAttribute("idnom", nom) et request.setAttribute("idprenom", prenom): stocker les données dans des attributs
getServletContext().getRequestDispatcher("/ResultatInscription.jsp").forward(request, response): se rediriger vers la page ResultatInscription.jsp
voici le code de ResultatInscription.jsp
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| <%@ page language="java" contentType="text/html; charset=ISO-8859-1" | |
| pageEncoding="ISO-8859-1"%> | |
| <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> | |
| <html> | |
| <head> | |
| <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> | |
| <title>Insert title here</title> | |
| </head> | |
| <body> | |
| Mr <%=request.getAttribute("idnom") %></br> | |
| <%=request.getAttribute("idprenom") %></br> | |
| est bien inscrit | |
| </body> | |
| </html> |
<%=request.getAttribute("idnom") %>: c'est un scriplet expression pour recupérer les attributs par leur id et les afficher.
voici le vidéo de l'exemple:
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