(Contoh program sederhana yang menampilkan form login di dalam
JFrame. Inputan username berupa JTextField dan inputan password berupa
JPasswordField serta tombol dibuat dengan JButton)
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class SimpleLogin extends JFrame implements ActionListener {
private JLabel label1, label2;
private JTextField txtUser;
private JPasswordField pwdPass;
private JButton btnLogin, btnExit;
public SimpleLogin() {
super ("Login here...");
Container container = getContentPane();
container.setLayout(new FlowLayout());
label1 = new JLabel ("Username : ");
label2 = new JLabel ("Password : ");
txtUser = new JTextField (20);
txtUser.setToolTipText("Input Username");
pwdPass = new JPasswordField(20);
btnLogin = new JButton ("Login");
btnLogin.addActionListener(this);
btnExit = new JButton ("Exit");
btnExit.addActionListener(this);
container.add(label1);
container.add(txtUser);
container.add(label2);
container.add(pwdPass);
container.add(btnLogin);
container.add(btnExit);
setSize (300,200);
setVisible (true);
}
public static void main (String args[]) {
SimpleLogin test = new SimpleLogin();
test.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
}
private String user = "", pass = "";
public void actionPerformed (ActionEvent e) {
if (e.getSource() == btnLogin) {
user = txtUser.getText();
pass = pwdPass.getText();
if (user.equals("root") && pass.equals("toor")) {
JOptionPane.showMessageDialog(null, "Login successfull");
} else {
JOptionPane.showMessageDialog(null, "Username and password dosn't match!");
txtUser.setText("");
pwdPass.setText("");
txtUser.requestFocus(true);
}
} else if (e.getSource() == btnExit){
JOptionPane.showMessageDialog(null,"Thanks to try my program. See you..");
System.exit(0);
}
}
}
import java.awt.event.*;
import javax.swing.*;
public class SimpleLogin extends JFrame implements ActionListener {
private JLabel label1, label2;
private JTextField txtUser;
private JPasswordField pwdPass;
private JButton btnLogin, btnExit;
public SimpleLogin() {
super ("Login here...");
Container container = getContentPane();
container.setLayout(new FlowLayout());
label1 = new JLabel ("Username : ");
label2 = new JLabel ("Password : ");
txtUser = new JTextField (20);
txtUser.setToolTipText("Input Username");
pwdPass = new JPasswordField(20);
btnLogin = new JButton ("Login");
btnLogin.addActionListener(this);
btnExit = new JButton ("Exit");
btnExit.addActionListener(this);
container.add(label1);
container.add(txtUser);
container.add(label2);
container.add(pwdPass);
container.add(btnLogin);
container.add(btnExit);
setSize (300,200);
setVisible (true);
}
public static void main (String args[]) {
SimpleLogin test = new SimpleLogin();
test.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
}
private String user = "", pass = "";
public void actionPerformed (ActionEvent e) {
if (e.getSource() == btnLogin) {
user = txtUser.getText();
pass = pwdPass.getText();
if (user.equals("root") && pass.equals("toor")) {
JOptionPane.showMessageDialog(null, "Login successfull");
} else {
JOptionPane.showMessageDialog(null, "Username and password dosn't match!");
txtUser.setText("");
pwdPass.setText("");
txtUser.requestFocus(true);
}
} else if (e.getSource() == btnExit){
JOptionPane.showMessageDialog(null,"Thanks to try my program. See you..");
System.exit(0);
}
}
}
0 komentar:
Posting Komentar