package bamclient;import javax.swing.*;import javax.swing.border.EmptyBorder;import java.awt.*;public class LoginPanel extends JPanel {	private JTextField idField;	private JPasswordField passField;	private JButton okButton;		public JTextField getIdField() {		return idField;	}	public JButton getOkButton() {		return okButton;	}	public JPasswordField getPassField() {		return passField;	}	public LoginPanel(){		idField=new JTextField();		passField=new JPasswordField();		okButton=new JButton("提交");//起別名.				this.setLayout(new BorderLayout());				JPanel p=new JPanel();		p.setLayout(new GridLayout(2,2,0,60));		p.setBorder(new EmptyBorder(40,0,50,30));		p.add(new JLabel("賬號:",SwingConstants.CENTER));		p.add(idField);		p.add(new JLabel("密碼:",SwingConstants.CENTER));		p.add(passField);				this.add(p);				JPanel p2=new JPanel();		p2.add(okButton);		this.add(p2,"South");			}}