Java Swing仿QQ登录界面 学习之用

闲来无事将早些时候已实现的QQ登录界面再实现了一遍，纯手工打造（意思是没有用NetBeans、MyEclipse的拖动功能）。
源代码如下：
 package ibees.qq;
import java.awt.BorderLayout;
import java.net.URL;
import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JCheckBox;
import javax.swing.JComboBox;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JPasswordField;
import javax.swing.JTextField;
/**
* 仿QQ登录界面，仅供学习参考，涉及到的有窗口居中、JPanel、LayoutManager的使用
* @author hhzxj2008
* */
public class QQLoginView extends JFrame {
/**
*
*/
private static final long serialVersionUID = -5665975170821790753L;
public QQLoginView() {
initComponent();
}

private void initComponent() {
setTitle("用户登录");
//设置LOGO
URL image = QQLoginView.class.getClassLoader().getResource("ibees/qq/images/year.jpg");//图片的位置
JLabel imageLogo = new JLabel(new ImageIcon(image));
add(imageLogo,BorderLayout.NORTH);

//QQ号和密码
JPanel jp = new JPanel();
JPanel jpAccount = new JPanel();
jpAccount.add(new JLabel("帐号"));
JTextField userTextField = new JTextField(15);
jpAccount.add(userTextField);
jpAccount.add(new JLabel("用户注册"));
jp.add(jpAccount);

JPanel jpPass = new JPanel();
jpPass.add(new JLabel("密码"));
JPasswordField passTextField = new JPasswordField(15);
jpPass.add(passTextField);
jpPass.add(new JLabel("找回密码"));
jp.add(jpPass);

//登录设置
JPanel jpstatus = new JPanel();
jpstatus.add(new JLabel("状态"));
JComboBox statusComboBox = new JComboBox();
statusComboBox.addItem("Q我");
statusComboBox.addItem("在线");
statusComboBox.addItem("隐身");
statusComboBox.addItem("离线");
jpstatus.add(statusComboBox);
jpstatus.add(new JCheckBox("记住密码"));
jpstatus.add(new JCheckBox("自动登录"));
jp.add(jpstatus);
add(jp);

//底部登录按钮
JPanel bottomPane