Post on 21-Jul-2015
1.
Codigo Fuente de Computrachos con Fines Educativos!!!!!!!!!!!!!!!
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import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JTextField; import javax.swing.JButton; import javax.swing.JPasswordField; import javax.swing.JOptionPane; import java.awt.Color; import java.awt.Font;
import java.awt.event.ActionListener; import java.awt.event.ActionEvent; public class Login extends JFrame {
private JLabel label, label2; private JTextField user; private JPasswordField pass; private JButton boton1;
public Login() { super("LOGIN (user: admin pass: 123"); getContentPane().setLayout(null);
//CREAR ETIQUETA Y CAMBIAR ATRIBUTOS label=new JLabel("ID DE USUARIO"); label.setForeground(Color.red); label.setFont(new Font("Arial",Font.BOLD,16)); label.setBounds(20,10,150,30); getContentPane().add(label); //CREAR CAMPO DE TEXTO Y COLOCAR EN POSICION user=new JTextField(15); user.setBounds(150,10,150,30); getContentPane().add(user);
//CREAR ETIQUETA Y CAMBIAR ATRIBUTOS label2=new JLabel("PASSWORD"); label2.setForeground(Color.red); label2.setFont(new Font("Arial",Font.BOLD,16)); label2.setBounds(20,60,150,30); getContentPane().add(label2); //CREAR CAMPO DE TEXTO Y COLOCAR EN POSICION pass=new JPasswordField(15); pass.setBounds(150,60,150,30); getContentPane().add(pass);
//CREAR BOTON Y CAMBIAR ATRIBUTOS boton1 = new JButton ("INGRESAR"); boton1.setForeground(Color.BLUE); boton1.setFont(new Font("Arial",Font.BOLD,18)); boton1.setBounds(150,90,150,30); //AQUI SE AGREGA EL EVENTO DEL BOTON DIRECTAMENTE boton1.addActionListener(new ActionListener()
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{ public void actionPerformed(ActionEvent evento) { if( user.getText().equals("admin") &&
pass.getText().equals("123") ) JOptionPane.showMessageDialog(null,"INGRESO CORRECTO");
else{
if( !user.getText().equals("admin") ) JOptionPane.showMessageDialog(null,"USUARIO
INCORRECTO");
else if( !pass.getText().equals("123") ) JOptionPane.showMessageDialog(null,"PASSWORD
INCORRECTO"); }
} });
getContentPane().add(boton1);
setSize(350,180); setLocation(200,200); setVisible(true);
} public static void main(String[] args) { new Login(); } }
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