java作业

import javax.swing.;
import java.awt.Window;
import java.awt.event.;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JRadioButton;
import javax.swing.JLabel;
import javax.swing.ButtonGroup;
public class Homework {

protected static final Window dlg1 = null;

public static void main(String[] args) {
	// TODO Auto-generated method stub
	final JFrame frm = new JFrame("登陆");
	frm.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
	frm.setLayout(null);
	
	JLabel userLabel = new JLabel();
	userLabel.setText("账号：");
	userLabel.setBounds(40, 20, 80, 30);
	
	JLabel userLabel1 = new JLabel();
	userLabel1.setText("密码：");
	userLabel1.setBounds(40, 20, 80, 110);
	
	JLabel slabel = new JLabel("服务区：");
	slabel.setBounds(40, 20, 80, 170);
	frm.add(slabel);
	
	ButtonGroup btnGroup = new ButtonGroup();
	
	JRadioButton aRadioButton = new JRadioButton("网通");
	aRadioButton.setBounds(100, 90, 70, 30);
	aRadioButton.setSelected(true);
	JRadioButton bRadioButton = new JRadioButton("电信");
	bRadioButton.setBounds(190, 90, 70, 30);
	
	btnGroup.add(aRadioButton);
	btnGroup.add(bRadioButton);
	frm.add(aRadioButton);
	frm.add(bRadioButton);
	
	JTextField userText = new JTextField();
	userText.setEditable(true);
	userText.setHorizontalAlignment(SwingConstants.LEFT);
	userText.setColumns(20);
	userText.setBounds(100, 20, 120, 30);
	
	JTextField userText1 = new JTextField();
	userText1.setEditable(true);
	userText1.setHorizontalAlignment(SwingConstants.LEFT);
	userText1.setColumns(20);
	userText1.setBounds(100, 60, 120, 30);
	
	final JDialog dlg = new JDialog(frm,"窗口");
	dlg.setBounds(470, 220, 200, 150);
	dlg.setLayout(null);
	dlg.setModal(true);
	

	
	JButton obtn = new JButton("登陆");
	obtn.setBounds(60, 125, 60, 30);
	obtn.addActionListener(new ActionListener(){

		@Override
		public void actionPerformed(ActionEvent e) {
			// TODO Auto-generated method stub
			dlg.setVisible(true);
		}
		});
	frm.add(obtn);
	
	JButton btn = new JButton("进入游戏");
	btn.setBounds(50, 40, 100, 25);
	btn.addActionListener(new ActionListener(){

		@Override
		public void actionPerformed(ActionEvent e) {
			// TODO Auto-generated method stub
			dlg.setVisible(false);
		} 
		});
	dlg.add(btn);
	
	final JDialog dlg1 = new JDialog(frm,"窗口");
	dlg1.setBounds(470, 220, 200, 150);
	dlg1.setLayout(null);
	dlg1.setModal(true);
	
	JButton obtn1 = new JButton("退出");
	obtn1.setBounds(180, 125, 60, 30);
	obtn1.addActionListener(new ActionListener(){

		@Override
		public void actionPerformed(ActionEvent e) {
			// TODO Auto-generated method stub
			dlg1.setVisible(true);
		}
		});
	frm.add(obtn1);
	
	JButton btn1 = new JButton("确认退出");
	btn1.setBounds(50, 40, 100, 25);
	btn1.addActionListener(new ActionListener(){

		@Override
		public void actionPerformed(ActionEvent e) {
			// TODO Auto-generated method stub
			dlg1.setVisible(false);
		}
		});
	dlg1.add(btn1);
	
	
	frm.add(userLabel);
	frm.add(userText);
	frm.add(obtn1);
	frm.add(obtn);
	frm.add(userLabel1);
	frm.add(userText1);
	frm.setBounds(450, 200, 325, 200);
	frm.setVisible(true);
}

}
j'a