仿QQ登录界面UI设计

    这个界面实现了以前QQ登录界面的大部分功能，由于水平原因界面背景暂时还没实现，希望有大神指教一下，万分感谢

import java.io.IOException;
import java.net.URI;
import java.net.URISyntaxException;

import javax.swing.JFrame;
import javax.swing.JTextField;
import javax.swing.JPasswordField;
import javax.swing.JLabel;
import javax.swing.JCheckBox;
import javax.swing.JComboBox;
import javax.swing.ImageIcon;
import javax.swing.JButton;

import java.awt.Color;
import java.awt.Container;
import java.awt.Desktop;
import java.awt.Image;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
	/**
	 * 仿QQ登陆器
	 * @author Administrator
	 *
	 */
public class myQQ
{
	
	public static void main(String[] args)
	{
		 JTextField username;
		 JPasswordField password;
		 JLabel jl1;
		 final JLabel jl2, jl3;
		 JButton but;
		 JCheckBox jc1,jc2;
		 
		 JComboBox jcb;
		 JFrame jf= new JFrame();
		 jf.setBounds(0,0,340,340);
		 jf.setLocationRelativeTo(null);
		 jf.setResizable(false);
		 jf.setTitle("我的QQ2018");
		 jf.setLayout(null);
		 Image image = new ImageIcon("图片/QQ公仔.jpg").getImage();
		 jf.setIconImage(image);
		 Container con = jf.getContentPane();
		 jl1 = new JLabel();
	 	
 		 jl1 = new JLabel();
		 Image image2 = new ImageIcon("图片/QQ公仔.jpg").getImage();
		 jl1.setIcon(new ImageIcon(image2));
		 jl1.setBounds(40,95,54,60);
	 	
		 username = new JTextField();
		 username.setBounds(100,100,150,20);
		 jl2 = new JLabel("注册账号");
		 
			 jl2.addMouseListener(new MouseAdapter()
			 {
				 public void mouseClicked(MouseEvent e)
				 {
					 URI uri;					 
					 try 
					 {
						uri = new URI("https://ssl.zc.qq.com/chs/index.html?from=client&pt_clientver=5503&pt_src=1&ptlang=2052&regkey=A892C6E5EC7E5EB76F4D3C218465A090D9A629284F9F9C210FF658B210355C35&ADUIN=0&ADSESSION=0&ADTAG=CLIENT.QQ.5503_NewAccount_Btn.0&ADPUBNO=26638");
						Desktop dtp = Desktop.getDesktop();
						if(Desktop.isDesktopSupported()&&dtp.isSupported(Desktop.Action.BROWSE))
						{
							try
							{
								dtp.browse(uri);
							} catch(IOException e1)
							{
								e1.printStackTrace();
							}
						}
							
					 } catch(URISyntaxException e1)
						{
							e1.printStackTrace();
						}
				 }				 
				 public void mouseEntered(MouseEvent e)
				 {
					 jl2.setForeground(Color.red);
				 }
				 public void mouseExited(MouseEvent e)
				 {
					 jl2.setForeground(Color.blue);
				 }
			 });
		 
		 jl2.setBounds(260,100,70,20);
		
		 password = new JPasswordField();
		 password.setBounds(100,130,150,20);
		 jl3 = new JLabel("找回密码");
		 jl3.addMouseListener(new MouseAdapter()
		 {
			 public void mouseClicked(MouseEvent e)
			 {
				 URI uri;					                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  
				 try 
				 {
					uri = new URI("https://aq.qq.com/cn2/findpsw/pc/pc_find_pwd_input_account?source_id=1003&pt_clientver=5503&pt_src=1&ptlang=2052&aquin=769936084");
					Desktop dtp = Desktop.getDesktop();
					if(Desktop.isDesktopSupported()&&dtp.isSupported(Desktop.Action.BROWSE))
					{
						try
						{
							dtp.browse(uri);
						} catch(IOException e1)
						{
							e1.printStackTrace();
						}
					}
						
				 } catch(URISyntaxException e1)
					{
						e1.printStackTrace();
					}
			 }				 
			 public void mouseEntered(MouseEvent e)
			 {
				 jl3.setForeground(Color.red);
			 }
			 public void mouseExited(MouseEvent e)
			 {
				 jl3.setForeground(Color.blue);
			 }
		 });
		 jl3.setBounds(260,130,70,20);
	 	
		 jc1 = new JCheckBox("记住密码");
		 jc1.setBounds(185,160,80,15);
		 jc2 = new JCheckBox("自动登录");
		 jc2.setBounds(105,160,80,15);
		
		 jcb = new JComboBox();
		 jcb.addItem("在线");
		 jcb.addItem("隐身");
		 jcb.addItem("离开");
		 jcb.addItem("忙碌");
		 jcb.setBounds(40,160,55,20);
		
		 but = new JButton("登陆");
		 but.setBounds(130,180,100,30);

		 jf.add(jl1);
		 jf.add(jl2);
		 jf.add(jl3);
		 jf.add(jc1);
		 jf.add(jc2);
		 jf.add(jcb);
		 jf.add(but);
		 jf.add(username);
		 jf.add(password);
		 jf.setVisible(true);
		 
	}
	
	
	
}