creation de la base de donne et l'affichage des score

linea/linea/GestionBDD.java

@@ -0,0 +1,96 @@
+package linea;
+
+import java.sql.*;
+import java.util.ArrayList;
+import java.util.List;
+
+public class GestionBDD {
+
+    private static final String URL = "jdbc:sqlite:score.db";
+
+    //connexion bdd
+    private static Connection connecter() throws SQLException {
+        return DriverManager.getConnection(URL);
+    }
+
+    //creation de la table score a ca premiere execution
+    public static void creerTableSiAbsente() {
+
+        String sql = """
+                CREATE TABLE IF NOT EXISTS scores (
+                    id INTEGER PRIMARY KEY AUTOINCREMENT,
+                    score INTEGER NOT NULL,
+                    date TEXT NOT NULL
+                );
+                """;
+
+        try (Connection connexion = connecter();
+             Statement statement = connexion.createStatement()) {
+
+            statement.execute(sql);
+
+        } catch (SQLException e) {
+            e.printStackTrace();
+        }
+    }
+
+    // Ajouter un score a la fin de la partie 
+    public static void ajouterScore(int score) {
+
+        String sql = "INSERT INTO scores(score, date) VALUES(?, ?)";
+
+        try (Connection connexion = connecter();
+             PreparedStatement requete = connexion.prepareStatement(sql)) {
+
+            requete.setInt(1, score);
+            requete.setString(2, java.time.LocalDate.now().toString());
+
+            requete.executeUpdate();
+
+        } catch (SQLException e) {
+            e.printStackTrace();
+        }
+    }
+
+    // Récupérer tous les scores
+    public static List<Integer> recupererTousLesScores() {
+
+        List<Integer> listeScores = new ArrayList<>();
+
+        String sql = "SELECT score FROM scores ORDER BY date DESC";
+
+        try (Connection connexion = connecter();
+             Statement statement = connexion.createStatement();
+             ResultSet resultat = statement.executeQuery(sql)) {
+
+            while (resultat.next()) {
+                listeScores.add(resultat.getInt("score"));
+            }
+
+        } catch (SQLException e) {
+            e.printStackTrace();
+        }
+
+        return listeScores;
+    }
+
+    // Récupérer le meilleur score
+    public static int recupererMeilleurScore() {
+
+        String sql = "SELECT MAX(score) AS meilleur FROM scores";
+
+        try (Connection connexion = connecter();
+             Statement statement = connexion.createStatement();
+             ResultSet resultat = statement.executeQuery(sql)) {
+
+            if (resultat.next()) {
+                return resultat.getInt("meilleur");
+            }
+
+        } catch (SQLException e) {
+            e.printStackTrace();
+        }
+
+        return 0;
+    }
+}