Creation de clients

src/main/java/com/test/bdd/ClientMysql.java

@@ -6,6 +6,7 @@ package com.test.bdd;
 
 import com.test.beans.Client;
 import java.sql.Connection;
+import java.sql.PreparedStatement;
 import java.sql.ResultSet;
 import java.sql.SQLException;
 import java.sql.Statement;
@@ -52,4 +53,33 @@ public class ClientMysql {
         
         return clients;
     }
+    
+    public int create(Client unClient){
+         int id=-1;
+         String sql = "INSERT INTO client (nom, prenom, mail) VALUES (?,?,?);";
+ 
+         try (PreparedStatement prepStmt = laConnexion.prepareStatement(sql, Statement.RETURN_GENERATED_KEYS)) {
+ 
+            prepStmt.setString(1, unClient.getNom());//le param. 1 est remplacé par le nom du client
+            prepStmt.setString(2, unClient.getPrenom());
+            prepStmt.setString(3, unClient.getMail());
+ 
+            int status = prepStmt.executeUpdate();
+             // récupération de la clé auto-générée
+            if (status > 0) {
+                try (ResultSet result = prepStmt.getGeneratedKeys()) {
+                    if (result.next()) {  // <-- utiliser next() et pas first()
+                        id = result.getInt(1);
+                    }
+                 }
+            }
+            prepStmt.close();
+ 
+         } catch(SQLException ex){
+            System.out.println("SQLException:"+ex.getMessage());
+            System.out.println("SQLState:"+ex.getSQLState());
+            System.out.println("code Erreur:"+ex.getErrorCode());
+        }
+         return id;
+     }
 }

src/main/java/com/test/beans/Client.java

@@ -14,6 +14,12 @@ public class Client {
     private String prenom;
     private String mail;
 
+    public Client(String nom, String prenom,  String mail) {
+        this.nom = nom;
+        this.prenom = prenom;
+        this.mail = mail;
+    }
+    
     public Client(int id, String nom, String prenom, String mail) {
         this.id = id;
         this.nom = nom;

src/main/java/com/test/forms/NouveauClientForm.java

@@ -0,0 +1,34 @@
+/*
+ * Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
+ * Click nbfs://nbhost/SystemFileSystem/Templates/Classes/Class.java to edit this template
+ */
+package com.test.forms;
+
+import com.test.bdd.ClientMysql;
+import com.test.beans.Client;
+import jakarta.servlet.http.HttpServletRequest;
+
+/**
+ *
+ * @author steve.maingana
+ */
+public class NouveauClientForm {
+    public String resultat;
+    
+    public NouveauClientForm() {};
+
+    public String getResultat() {
+        return resultat;
+    }
+
+    public void setResultat(String resultat) {
+        this.resultat = resultat;
+    }
+    
+    public int verifierClient(HttpServletRequest request) {
+        Client client = new Client(request.getParameter("nom_client"), request.getParameter("prenom_client"), request.getParameter("mail_client"));
+        ClientMysql clientDB = new ClientMysql();
+        int nouveauClient = clientDB.create(client);
+        return nouveauClient;
+    };
+}

src/main/java/com/test/servlets/NouveauServlet.java

@@ -4,6 +4,7 @@
  */
 package com.test.servlets;
 
+import com.test.forms.NouveauClientForm;
 import java.io.IOException;
 import java.io.PrintWriter;
 import jakarta.servlet.ServletException;
@@ -60,6 +61,7 @@ public class NouveauServlet extends HttpServlet {
     protected void doGet(HttpServletRequest request, HttpServletResponse response)
             throws ServletException, IOException {
         // processRequest(request, response);
+        request.setAttribute("new_client", false);
         getServletContext().getRequestDispatcher("/WEB-INF/nouveauClientVue.jsp").forward(request, response);
     }
 
@@ -74,7 +76,15 @@ public class NouveauServlet extends HttpServlet {
     @Override
     protected void doPost(HttpServletRequest request, HttpServletResponse response)
             throws ServletException, IOException {
-        processRequest(request, response);
+        
+        NouveauClientForm nouveauClient = new NouveauClientForm();
+        int idClient = nouveauClient.verifierClient(request);
+        request.setAttribute("new_client", idClient > -1);
+        if (idClient > -1) {
+            response.sendRedirect("/Test2Jakarta/ListeClients");
+        } else {
+            getServletContext().getRequestDispatcher("/WEB-INF/nouveauClientVue.jsp").forward(request, response);
+        }
     }
 
     /**

src/main/webapp/WEB-INF/nouveauClientVue.jsp

@@ -4,6 +4,7 @@
     Author     : steve.maingana
 --%>
 
+<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
 <%@page contentType="text/html" pageEncoding="UTF-8"%>
 <!DOCTYPE html>
 <html>
@@ -11,6 +12,22 @@
     <body>
         <%@include file="jspf/menu.jspf" %>
         <h1>Création d’un nouveau client</h1>
-        <p>Page en construction</p>
+        <form method="post" action="NouveauClient">
+            <fieldset>
+                <legend>Client :</legend>
+                <label>Nom :</label>
+                <input type="text" name="nom_client">
+                <label>Prénom :</label>
+                <input type="text" name="prenom_client">
+                <label>Adresse mail :</label>
+                <input type="email" name="mail_client">
+                <input type="submit" value="Compléter">
+            </fieldset>
+        </form>
+        <c:choose>
+            <c:when test="${new_client}">
+                <p>Le client No. ${id_client} a été créé avec succès !</p>
+            </c:when>
+        </c:choose>
     </body>
 </html>