83 lines
2.4 KiB
Java
83 lines
2.4 KiB
Java
import java.sql.*;
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import javax.swing.*;
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import java.awt.*;
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public class Victoire {
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public static JLabel scoreLabel;
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public static JLabel countryLabel;
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public static void refresh() {
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try {
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Class.forName("org.mariadb.jdbc.Driver");
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} catch (ClassNotFoundException ex) {
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System.err.println("MariaDB driver not found");
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return;
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}
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Connection cnx;
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try {
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cnx = DriverManager.getConnection("jdbc:mariadb://dwarves.iut-fbleau.fr/horville", "horville", "a5gc95");
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} catch (SQLException ex) {
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System.err.println("Unable to access Database.");
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return;
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}
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try {
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PreparedStatement req = cnx.prepareStatement("SELECT Nom, SUM(Points) FROM Vote LEFT JOIN Pays ON Vote.Competiteur = Pays.ID GROUP BY Nom;");
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req.executeUpdate();
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int maxPoints = 0;
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String country = "";
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ResultSet rs = req.executeQuery();
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while (rs.next()) {
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int score = rs.getInt(2);
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if (score > maxPoints) {
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country = rs.getString(1);
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maxPoints = score;
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}
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}
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if (country != "") {
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countryLabel.setText(country);
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scoreLabel.setText(Integer.toString(maxPoints));
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}
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rs.close();
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req.close();
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} catch (SQLException ex) {
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System.err.println("SQL Request exception.");
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System.err.println (ex);
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}
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try {
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cnx.close();
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} catch (SQLException ex) {
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System.err.println("Unable to close connection.");
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}
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}
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public static void main(String[] args) {
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JFrame window = new JFrame("Victoire");
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window.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
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window.setSize(300, 300);
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window.setLocation(200, 200);
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JButton refreshBT = new JButton("⟳");
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refreshBT.addActionListener(new RefreshListener());
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window.add(refreshBT, BorderLayout.SOUTH);
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window.setVisible(true);
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countryLabel = new JLabel("...", JLabel.CENTER);
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scoreLabel = new JLabel("0", JLabel.CENTER);
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window.add(countryLabel, BorderLayout.NORTH);
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window.add(scoreLabel, BorderLayout.CENTER);
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Victoire.refresh();
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}
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} |