Posted by:shaneangel

Posted on:2003-03-22 16:36

import javax.swing.JLabel;

import javax.swing.JTextField;

import javax.swing.JButton;

import javax.swing.JFrame;

import javax.swing.JPanel;

import javax.swing.JPasswordField;

import java.awt.event.*;

import java.awt.*;

public class LoginFrame extends JFrame {

LoginFrame loginFrame= null;

public LoginFrame() {

loginFrame = this;

setTitle("登录窗口");

setSize(WIDTH,HEIGHT);

LoginPanel panel = new LoginPanel();

Container contentPane = getContentPane();

contentPane.setLayout(new GridLayout());

contentPane.add("Center",panel);

setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);

setBounds(350,250,250,100);

setResizable(false);

show();

}

class LoginPanel extends JPanel {

public LoginPanel() {

userLbl = new JLabel("输入用户名：");

passwordLbl = new JLabel("输入密码：");

userTxt = new JTextField(15);

passwordTxt = new JPasswordField(15);

yesBtn = new JButton("确定");

noBtn = new JButton("退出");

yesBtn.setBounds(10,10,5,10);

setLayout(new GridLayout(3,2));

add(userLbl);add(userTxt);

add(passwordLbl);add(passwordTxt);

add(yesBtn);add(noBtn);

yesBtn.addActionListener(new

ActionListener() {

public void actionPerformed(ActionEvent event) {

}

});

noBtn.addActionListener(new

ActionListener() {

public void actionPerformed(ActionEvent event) {

MainFrame frame = new MainFrame();

loginFrame.dispose();

}

});

}

private JLabel userLbl;

private JLabel passwordLbl;

private JTextField userTxt;

private JTextField passwordTxt;

private JButton yesBtn;

private JButton noBtn;

}

private static final int WIDTH=300;

private static final int HEIGHT=120;

}