import java.awt.*;
import javax.swing.*;

public class B extends JFrame{
    private JTextField jt1;
    private JLabel jl1,jl2,jl3;
    private JPasswordField mima;
    private JButton jb1,jb2;
    private JPanel jp1=new JPanel();
    private JPanel jp2=new JPanel();
    private JPanel jp3=new JPanel();
    private BorderLayout bb=new BorderLayout();
    public B(){
        super("qq2010");
        this.setLayout(bb);
        jl1=new JLabel("用户名：");
        jl2=new JLabel("密码：");
        mima=new JPasswordField (10);
        jt1=new JTextField(10);
        
        jb1=new JButton("注册");
        jb2=new JButton("登陆");
        
        jp1.add(jl1);
        jp1.add(jt1);
        jp1.add(jl2);
        jp1.add(mima);
        jp2.add(jb1);
        jp2.add(jb2);
        
        jl3=new JLabel("img");
        
        add(jl3,BorderLayout.NORTH);
        add(jp1,BorderLayout.CENTER);
        add(jp2,BorderLayout.SOUTH);
        
        this.setSize(200,200);
        this.setVisible(true);
    }
    public static void main(String[] args){
        B b=new B();
        b.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    }
}