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| package application;
import java.sql.*;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.swing.JOptionPane;
public class login extends javax.swing.JFrame {
ResultSet rs ;
DBB db ;
String username1,password1,hak;
public login() {
initComponents();
}
@SuppressWarnings("unchecked")
// <editor-fold defaultstate="collapsed" desc="Generated Code">
private void initComponents() {
jLabel1 = new javax.swing.JLabel();
jLabel2 = new javax.swing.JLabel();
jLabel3 = new javax.swing.JLabel();
TXT2 = new javax.swing.JTextField();
TXT1 = new javax.swing.JTextField();
jButton2 = new javax.swing.JButton();
setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
getContentPane().setLayout(null);
jLabel1.setFont(new java.awt.Font("Sylfaen", 1, 36)); // NOI18N
jLabel1.setForeground(new java.awt.Color(102, 102, 255));
jLabel1.setText("Login");
getContentPane().add(jLabel1);
jLabel1.setBounds(147, 37, 179, 48);
jLabel2.setFont(new java.awt.Font("Tahoma", 3, 18)); // NOI18N
jLabel2.setText("username");
getContentPane().add(jLabel2);
jLabel2.setBounds(32, 98, 103, 22);
jLabel3.setFont(new java.awt.Font("Tahoma", 3, 18)); // NOI18N
jLabel3.setText("Password ");
getContentPane().add(jLabel3);
jLabel3.setBounds(32, 155, 103, 37);
TXT2.setFont(new java.awt.Font("Tahoma", 0, 14)); // NOI18N
TXT2.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
TXT2ActionPerformed(evt);
}
});
getContentPane().add(TXT2);
TXT2.setBounds(170, 160, 140, 29);
TXT1.setFont(new java.awt.Font("Tahoma", 0, 14)); // NOI18N
getContentPane().add(TXT1);
TXT1.setBounds(172, 96, 140, 29);
jButton2.setFont(new java.awt.Font("Tahoma", 0, 18)); // NOI18N
jButton2.setText("Login");
jButton2.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton2ActionPerformed(evt);
}
});
getContentPane().add(jButton2);
jButton2.setBounds(60, 230, 100, 31);
pack();
}// </editor-fold>
private void jButton2ActionPerformed(java.awt.event.ActionEvent evt) {
rs = db.QselectAll("Untitled","username='"+TXT1.getText()+"'and password='"+TXT2.getText()+"'");
try{
while(rs.next()){
username1 = rs.getString("username");
password1 = rs.getString("password");
hak = rs.getString("type");
}}catch(SQLException ex){
Logger.getLogger(login.class.getName()).log(Level.SEVERE,null ,ex);
}
if(username1 == null && password1 == null){
JOptionPane.showMessageDialog(this,"le non utilisateur ou le mots pass est inncorrect");
}else{
if(hak.equals("admin")){
principal h =new principal();
h.setVisible(true);
this.dispose();
}else{
principal2 k = new principal2();
k.setVisible(true);
this.dispose();
}
}
}
private void TXT2ActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
}
/**
* @param args the command line arguments
*/
public static void main(String args[]) {
/* Set the Nimbus look and feel */
//<editor-fold defaultstate="collapsed" desc=" Look and feel setting code (optional) ">
/* If Nimbus (introduced in Java SE 6) is not available, stay with the default look and feel.
* For details see <a href="http://download.oracle.com/javase/tu...feel/plaf.html" target="_blank">http://download.oracle.com/javase/tu...feel/plaf.html</a>
*/
try {
for (javax.swing.UIManager.LookAndFeelInfo info : javax.swing.UIManager.getInstalledLookAndFeels()) {
if ("Nimbus".equals(info.getName())) {
javax.swing.UIManager.setLookAndFeel(info.getClassName());
break;
}
}
} catch (ClassNotFoundException ex) {
java.util.logging.Logger.getLogger(login.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (InstantiationException ex) {
java.util.logging.Logger.getLogger(login.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (IllegalAccessException ex) {
java.util.logging.Logger.getLogger(login.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
} catch (javax.swing.UnsupportedLookAndFeelException ex) {
java.util.logging.Logger.getLogger(login.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
}
//</editor-fold>
//</editor-fold>
//</editor-fold>
//</editor-fold>
/* Create and display the form */
java.awt.EventQueue.invokeLater(new Runnable() {
public void run() {
new login().setVisible(true);
}
});
}
// Variables declaration - do not modify
private javax.swing.JTextField TXT1;
private javax.swing.JTextField TXT2;
private javax.swing.JButton jButton2;
private javax.swing.JLabel jLabel1;
private javax.swing.JLabel jLabel2;
private javax.swing.JLabel jLabel3;
// End of variables declaration
private static class Principal {
public Principal() {
}
private void setVisible(boolean b) {
throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
}
}
} |
NullPointerException
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