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- jframe.add(panel, BorderLayout.CENTER);
- panel.setAlignmentX(JComponent.CENTER_ALIGNMENT);
- public static void main(String[] args) {
- EventQueue.invokeLater(new Runnable() {
- public void run() {
- try {
- login frame = new login();
- frame.setVisible(true);
- } catch (Exception e) {
- e.printStackTrace();
- }
- }
- });
- }
- public login() {
- setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
- setVisible(true);
- setBounds(5, 5, 409, 267);
- setLocationRelativeTo(null);
- contentPane = new JPanel();
- contentPane.setBackground(new Color(0, 128, 128));
- contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));
- setContentPane(contentPane);
- contentPane.setLayout(null);
- panel = new JPanel();
- panel.setBounds(57, 42, 292, 167);
- panel.setBorder(new TitledBorder(UIManager.getBorder("TitledBorder.border"), "Login", TitledBorder.LEADING, TitledBorder.TOP, null, new Color(0, 0, 255)));
- panel.setLayout(null);
- contentPane.add(panel);
- textField = new JTextField();
- textField.setBounds(71, 35, 192, 26);
- panel.add(textField);
- textField.setColumns(10);
- passwordField = new JPasswordField();
- passwordField.setBounds(71, 72, 192, 26);
- panel.add(passwordField);
- JLabel lblNewLabel = new JLabel("Username:");
- lblNewLabel.setBounds(6, 41, 68, 14);
- panel.add(lblNewLabel);
- JLabel lblNewLabel_1 = new JLabel("Password:");
- lblNewLabel_1.setBounds(6, 78, 68, 14);
- panel.add(lblNewLabel_1);
- JButton btnNewButton = new JButton("Login");
- btnNewButton.setBounds(71, 120, 89, 23);
- panel.add(btnNewButton);
- JButton btnNewButton_1 = new JButton("Cancel");
- btnNewButton_1.setBounds(174, 120, 89, 23);
- panel.add(btnNewButton_1);
- import java.awt.Color;
- import java.awt.Dimension;
- import java.awt.EventQueue;
- import java.awt.Graphics;
- import java.awt.Graphics2D;
- import java.awt.GridBagConstraints;
- import java.awt.GridBagLayout;
- import javax.swing.JButton;
- import javax.swing.JFrame;
- import javax.swing.JLabel;
- import javax.swing.JPanel;
- import javax.swing.JTextField;
- import javax.swing.UIManager;
- import javax.swing.UnsupportedLookAndFeelException;
- import javax.swing.border.EmptyBorder;
- import javax.swing.border.TitledBorder;
- public class CenterComponent {
- public static void main(String[] args) {
- new CenterComponent();
- }
- public CenterComponent() {
- EventQueue.invokeLater(new Runnable() {
- @Override
- public void run() {
- try {
- UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
- } catch (ClassNotFoundException | InstantiationException | IllegalAccessException | UnsupportedLookAndFeelException ex) {
- ex.printStackTrace();
- }
- JFrame frame = new JFrame("Testing");
- frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
- JPanel content = new JPanel(new GridBagLayout());
- content.setBackground(Color.GREEN);
- content.setBorder(new EmptyBorder(20, 20, 20, 20));
- frame.setContentPane(content);
- frame.add(new LoginPane());
- frame.pack();
- frame.setLocationRelativeTo(null);
- frame.setVisible(true);
- }
- });
- }
- public class LoginPane extends JPanel {
- public LoginPane() {
- setLayout(new GridBagLayout());
- setBorder(new TitledBorder("Login"));
- GridBagConstraints gbc = new GridBagConstraints();
- gbc.gridx = 0;
- gbc.gridy = 0;
- add(new JLabel("Username:"), gbc);
- gbc.gridy++;
- add(new JLabel("Password:"), gbc);
- gbc.gridx++;
- gbc.gridy = 0;
- gbc.gridwidth = 2;
- gbc.fill = GridBagConstraints.HORIZONTAL;
- gbc.weightx = 1;
- add(new JTextField(10), gbc);
- gbc.gridy++;
- add(new JTextField(10), gbc);
- gbc.gridx = 1;
- gbc.gridy++;
- gbc.gridwidth = 1;
- gbc.weightx = 0;
- gbc.fill = GridBagConstraints.NONE;
- add(new JButton("Login"), gbc);
- gbc.gridx++;
- add(new JButton("Cancel"), gbc);
- }
- }
- }
- panel.setLayout(null);
- panel.setLayout(new BoxLayout(panel,BoxLayout.Y_AXIS));
- panel.setLayout(new GridLayout(3,1, 5, 5));
- void init(){
- jP.setBounds(ancho/2,alto/2, miPanel.getWidth(), miPanel.getHeight());
- }
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