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| package java2015;
import java.awt.Color;
public class AuthentificationClient extends JFrame {
/**
*
*/
private static final long serialVersionUID = 1L;
private JPanel contentPane;
private JTextField textField;
private JPasswordField passwordField;
static String s3;
static String s6;
private JTextField textField_1;
private JPasswordField passwordField_1;
Boolean exist;
/**
* Launch the application.
*/
public static void main(String[] args) {
EventQueue.invokeLater(new Runnable() {
public void run() {
try {
AuthentificationClient frame = new AuthentificationClient();
frame.setVisible(true);
} catch (Exception e) {
e.printStackTrace();
}
}
});
}
/**
* Create the frame.
*/
public AuthentificationClient() {
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setBounds(100, 100, 786, 300);
contentPane = new JPanel();
contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));
setContentPane(contentPane);
textField = new JTextField();
textField.setColumns(10);
JButton btnNewButton = new JButton("Continuer");
btnNewButton.addActionListener(new ActionListener() {
@SuppressWarnings("null")
public void actionPerformed(ActionEvent e) {
String s1=textField_1.getText();
@SuppressWarnings("deprecation")
String s2=passwordField_1.getText();
String s4=textField.getText();
@SuppressWarnings("deprecation")
String s5=passwordField.getText();
s3=s1+s2;
Connexion c=new Connexion();
Connection conn=null;
Statement stat1=null;
ResultSet res=null;
try {
if (!(s4.isEmpty()) && !(s5.isEmpty())){
c.Connexion();
conn=c.getConnect();
String sql1="SELECT Password FROM gestion_aeroport.utilisateurs WHERE Login='"+s4+"'";
stat1= (Statement) conn.createStatement();
res = stat1.executeQuery(sql1);
if(res.next())
{
String motDePasse = res.getString(1);
if(motDePasse.equals(s5))
{
JOptionPane.showMessageDialog(null,"Connexion réussie ! ","Success",JOptionPane.PLAIN_MESSAGE);
EspaceClient espClient = new EspaceClient();
espClient.setVisible(true);
}
else {
JOptionPane.showMessageDialog(null,"Mot de passe incorrect ! ","Error",1);}
}
else {
JOptionPane.showMessageDialog(null,"Login incorrect ! ","Error",1);
}
}
else if (!(s1.isEmpty()) && !(s2.isEmpty()))
{
c.Connexion();
conn=c.getConnect();
Statement statX=null;
ResultSet resX=null;
PreparedStatement stX=null;
String sqlX="SELECT Password FROM gestion_aeroport.utilisateurs WHERE Login='"+s1+"'";
statX= (Statement) conn.createStatement();
resX = statX.executeQuery(sqlX);
if(resX.next())
{
String motDePasseX = resX.getString(1);
if(motDePasseX.equals(s2))
{
JOptionPane.showMessageDialog(null,"Login existant! ","Error",JOptionPane.PLAIN_MESSAGE);
}
else {
JOptionPane.showMessageDialog(null,"Compte crée ! ","Success",1);
stX.setString(1, s1);
stX.setString(2, s2);
stX.setString(3, s3);
stX.setString(4,"client");
stX.executeUpdate();
EspaceClient espClient = new EspaceClient();
espClient.setVisible(true);
}
}
}
}
catch (Exception e1) {
e1.printStackTrace();
}
}
});
JLabel lblNewLabel = new JLabel("Login:");
lblNewLabel.setFont(new Font("Tahoma", Font.BOLD | Font.ITALIC, 11));
JLabel lblNewLabel_1 = new JLabel("Mot de passe :");
lblNewLabel_1.setFont(new Font("Tahoma", Font.BOLD | Font.ITALIC, 11));
passwordField = new JPasswordField();
JLabel lblNewLabel_2 = new JLabel("Acc\u00E8s membre");
lblNewLabel_2.setForeground(new Color(255, 0, 0));
lblNewLabel_2.setFont(new Font("Times New Roman", Font.BOLD | Font.ITALIC, 14));
textField_1 = new JTextField();
textField_1.setColumns(10);
JLabel label = new JLabel("Login:");
label.setFont(new Font("Tahoma", Font.BOLD | Font.ITALIC, 11));
JLabel label_1 = new JLabel("Mot de passe:");
label_1.setFont(new Font("Tahoma", Font.BOLD | Font.ITALIC, 11));
JLabel lblNouveauMembre = new JLabel("Nouveau membre");
lblNouveauMembre.setForeground(Color.RED);
lblNouveauMembre.setFont(new Font("Times New Roman", Font.BOLD | Font.ITALIC, 14));
contentPane.setLayout(new FormLayout(new ColumnSpec[] {
FormFactory.LABEL_COMPONENT_GAP_COLSPEC,
ColumnSpec.decode("81px"),
FormFactory.UNRELATED_GAP_COLSPEC,
ColumnSpec.decode("223px"),
ColumnSpec.decode("32px"),
ColumnSpec.decode("79px"),
FormFactory.RELATED_GAP_COLSPEC,
ColumnSpec.decode("78px"),
ColumnSpec.decode("18px"),
ColumnSpec.decode("221px:grow"),},
new RowSpec[] {
FormFactory.PARAGRAPH_GAP_ROWSPEC,
RowSpec.decode("25px"),
FormFactory.PARAGRAPH_GAP_ROWSPEC,
RowSpec.decode("23px"),
RowSpec.decode("32px"),
RowSpec.decode("20px"),
RowSpec.decode("80px"),
RowSpec.decode("23px"),}));
contentPane.add(label_1, "8, 6, left, center");
contentPane.add(lblNouveauMembre, "10, 2, center, fill");
contentPane.add(lblNewLabel, "2, 4, fill, center");
contentPane.add(textField, "4, 4, fill, bottom");
contentPane.add(label, "8, 4, fill, center");
contentPane.add(textField_1, "10, 4, fill, top");
contentPane.add(lblNewLabel_1, "2, 6, left, center");
contentPane.add(passwordField, "4, 6, fill, top");
passwordField_1 = new JPasswordField();
contentPane.add(passwordField_1, "10, 6, fill, default");
contentPane.add(btnNewButton, "6, 8, left, top");
contentPane.add(lblNewLabel_2, "4, 2, center, fill");
}
public static String idActuel(){
return s3;
}
} |
java lang NullPointerException
Répondre avec citation
Envoyé par jeffray03
...j'ai essayé ta solution quand même mais toujours la même exception... donc jme permets de te demander de corriger directement sur mon code
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