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Update src/fr/iutfbleau/papillon/model/BaseDeDonnees.java

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Ajout des fermeture des connexion
This commit is contained in:
Seri-Khane YOLOU
2025-10-21 19:11:17 +02:00
parent 8361921964
commit 3bdd3e9431
1 changed files with 69 additions and 50 deletions
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src/fr/iutfbleau/papillon/model/BaseDeDonnees.java
+50 -31
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@@ -4,82 +4,101 @@ import java.util.List;
public class BaseDeDonnees {
private static final String URL = "jdbc:mariadb://dwarves.iut-fbleau.fr:3306/yolou";
private static final String USER = "yolou";
private static final String PASS = "serikhaneyolou";
/** Connexion */
public static Connection connecter() throws SQLException {
public static Connection getConnexion() throws SQLException {
try {
Class.forName("org.mariadb.jdbc.Driver");
} catch (ClassNotFoundException ignore) {}
} catch (ClassNotFoundException e) {
System.out.println("Erreur : pilote MariaDB non trouvé !");
}
return DriverManager.getConnection(URL, USER, PASS);
}
/** INSERT renvoie l'id généré. */
/** Ajout d’un rappel (INSERT) */
public static int ajouter(Rappel r) throws SQLException {
String sql = "INSERT INTO rappel(titre, contenu, theme, rang) VALUES (?,?,?,?)";
try (Connection cnx = connecter();
PreparedStatement pst = cnx.prepareStatement(sql, Statement.RETURN_GENERATED_KEYS)) {
String sql = "INSERT INTO rappel(titre, contenu, theme, rang) VALUES (?, ?, ?, ?)";
Connection cnx = getConnexion();
PreparedStatement pst = cnx.prepareStatement(sql, Statement.RETURN_GENERATED_KEYS);
pst.setString(1, r.getTitre());
pst.setString(2, r.getContenu());
pst.setString(3, r.getTheme());
pst.setInt(4, r.getRang());
pst.executeUpdate();
try (ResultSet rs = pst.getGeneratedKeys()) {
ResultSet rs = pst.getGeneratedKeys();
int id = 0;
if (rs.next()) {
int id = rs.getInt(1);
id = rs.getInt(1);
r.setId(id);
return id;
}
}
return 0;
}
}
/** SELECT * ORDER BY rang, id. */
rs.close();
pst.close();
cnx.close();
return id;
}
/** Liste des rappels */
public static List<Rappel> lister() throws SQLException {
String sql = "SELECT id, titre, contenu, theme, rang FROM rappel ORDER BY rang ASC, id ASC";
List<Rappel> res = new ArrayList<>();
try (Connection cnx = connecter();
Connection cnx = getConnexion();
PreparedStatement pst = cnx.prepareStatement(sql);
ResultSet rs = pst.executeQuery()) {
ResultSet rs = pst.executeQuery();
while (rs.next()) {
res.add(new Rappel(
Rappel r = new Rappel(
rs.getInt("id"),
rs.getString("titre"),
rs.getString("contenu"),
rs.getString("theme"),
rs.getInt("rang")));
}
rs.getInt("rang")
);
res.add(r);
}
rs.close();
pst.close();
cnx.close();
return res;
}
/** UPDATE par id. */
/** Modification d’un rappel (UPDATE) */
public static int modifier(int id, Rappel r) throws SQLException {
String sql = "UPDATE rappel SET titre=?, contenu=?, theme=?, rang=? WHERE id=?";
try (Connection cnx = connecter();
PreparedStatement pst = cnx.prepareStatement(sql)) {
Connection cnx = getConnexion();
PreparedStatement pst = cnx.prepareStatement(sql);
pst.setString(1, r.getTitre());
pst.setString(2, r.getContenu());
pst.setString(3, r.getTheme());
pst.setInt(4, r.getRang());
pst.setInt(5, id);
return pst.executeUpdate();
}
int rows = pst.executeUpdate();
pst.close();
cnx.close();
return rows;
}
/** DELETE par id. */
/** Suppression d’un rappel (DELETE) */
public static int supprimer(int id) throws SQLException {
String sql = "DELETE FROM rappel WHERE id=?";
try (Connection cnx = connecter();
PreparedStatement pst = cnx.prepareStatement(sql)) {
Connection cnx = getConnexion();
PreparedStatement pst = cnx.prepareStatement(sql);
pst.setInt(1, id);
return pst.executeUpdate();
}
int rows = pst.executeUpdate();
pst.close();
cnx.close();
return rows;
}
}