JAVA GUI界面组件学习

这周主要练习了GUI界面组件，设计了一个登陆界面，整体运用BorderLayout界面，将界面分为上、中、下，又将中间部分分为三层，运用了组合框来记录登陆ID，添加了复选框完善程序，基本实现了登陆界面的操作，需要进一步学习IO流让自己的程序可以添加登陆记录。以下是我的程序源代码（注：考虑到是登陆界面所以界面大小固定）。
import java.awt.BorderLayout;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JButton;
import javax.swing.JCheckBox;
import javax.swing.JComboBox;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JPasswordField;
import javax.swing.JTextField;
public class loginframe extends JFrame{
String number[]={"2014330111","2014330112","2014330113","2014330114","2014330115","2014330116","2014330117"};
private JComboBox combo;
private JPasswordField passField;
public loginframe(){
this.setTitle("登录界面");
this.setSize(250, 180);
this.setResizable(false);
this.setLocationRelativeTo(this);
this.setDefaultCloseOperation(EXIT_ON_CLOSE);
this.setContentPane(createContentPanel());
}
private JPanel createContentPanel(){
JPanel panel=new JPanel(new BorderLayout());
panel.add(BorderLayout.NORTH,createNPanel());
panel.add(BorderLayout.CENTER,createCeterPanel());
panel.add(BorderLayout.SOUTH,createSPanel());
return panel;
}
private JPanel createNPanel(){
JPanel panel=new JPanel();
panel.add(new JLabel("登陆系统"),JLabel.CENTER);
return panel;
}
private JPanel createCeterPanel(){
JPanel panel=new JPanel(new BorderLayout());
panel.add(BorderLayout.NORTH,createIDPassPanel());
panel.add(BorderLayout.SOUTH,createOptionsPanel());
return panel;
}
private JPanel createOptionsPanel() {
JPanel panel=new JPanel();
JCheckBox box1=new JCheckBox("记住密码");
JCheckBox box2=new JCheckBox("自动登录");
panel.add(box1);
panel.add(box2);
return panel;
}
private JPanel createIDPassPanel(){
JPanel panel=new JPanel(new GridLayout(2,1));
panel.add(createIDPanel());
panel.add(createPassPanel());
return panel;
}
private JPanel createPassPanel(){
JPanel panel=new JPanel(new BorderLayout());
JLabel label=new JLabel("密码：");
passField=new JPasswordField(10);
panel.add(BorderLayout.WEST,label);
panel.add(BorderLayout.CENTER,passField);
return panel;
}
private JPanel createIDPanel(){
JPanel panel=new JPanel(new BorderLayout());
JLabel label=new JLabel("账号：");
combo=new JComboBox(number);
combo.addActionListener(new ActionListener() {

				@Override
				public void actionPerformed(ActionEvent e) {
					// TODO Auto-generated method stub
					
				}
			});
			panel.add(BorderLayout.WEST,label);
			panel.add(BorderLayout.CENTER,combo);
			return panel;
		}
		
		
		private JPanel createSPanel(){
			JPanel panel=new JPanel();
			JButton loginBtn=new JButton("登陆");
			loginBtn.addActionListener(new ActionListener() {
				@Override
				public void actionPerformed(ActionEvent arg0) {
					if(JOptionPane.YES_OPTION==JOptionPane.showConfirmDialog(null,"确认要登陆吗？")){
						System.exit(0);}
			}});
			JButton cancelBtn=new JButton("取消");
			panel.add(loginBtn);
			panel.add(cancelBtn);
			cancelBtn.addActionListener(new ActionListener() {		
				@Override
				public void actionPerformed(ActionEvent arg0) {
					// TODO Auto-generated method stub
					if(JOptionPane.YES_OPTION==JOptionPane.showConfirmDialog(null,"确认要退出吗？")){
						System.exit(0);}
				}
			});
			return panel;
			}
 public static void main(String[] args) {
				// TODO Auto-generated method stub
				new loginframe().setVisible(true);
			}
		}