第二周笔记

import java.awt.Container;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;

import javax.swing.Icon;
import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JCheckBox;
import javax.swing.JComboBox;
import javax.swing.JDialog;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JPasswordField;
import javax.swing.JTextArea;

public class zuoye1 {

/**
 * @param args
 */

public static void main(String[] args) {
    // TODO Auto-generated method stub
    
    final JFrame f1=new JFrame();
    f1.setLayout(null);
    
    
    
    
    
    
    
    JLabel denglu =new JLabel();
    ImageIcon img = new ImageIcon("image/登录.png");
    denglu.setIcon(img);
    
    
    f1.getLayeredPane().add(denglu,new Integer(Integer.MIN_VALUE));
    denglu.setBounds(0,0,img.getIconWidth(),img.getIconHeight());
    Container cp = f1.getContentPane();
    cp.setLayout(null);
    ((JPanel) cp).setOpaque(false); 
    
    
    final JLabel guanbi =new JLabel();
    ImageIcon img1 = new ImageIcon("image/关闭.png");
    guanbi.setIcon(img1);
    guanbi.setBounds(245, 9, 25, 30);
    guanbi.addMouseListener(new MouseListener() {
        
        @Override
        public void mouseReleased(MouseEvent arg0) {
            // TODO Auto-generated method stub
            System.exit(0);
        }
        
        @Override
        public void mousePressed(MouseEvent arg0) {
            // TODO Auto-generated method stub
            
        }
        
        @Override
        public void mouseExited(MouseEvent arg0) {
            // TODO Auto-generated method stub
            
        }
        
        @Override
        public void mouseEntered(MouseEvent arg0) {
            // TODO Auto-generated method stub
            
        }
        
        @Override
        public void mouseClicked(MouseEvent arg0) {
            // TODO Auto-generated method stub
            
        }
    });
    
    
    JLabel yonghuming =new JLabel("登录用户：");
    yonghuming.setBounds(60,100,80,30);
    
    
    JLabel mima =new JLabel("登录密码：");
    mima.setBounds(60,150,80,30);
    
    
    
         //文本 y m

;
JPanel p=new JPanel();
p.setLayout(null);
p.setBounds(130, 108, 120, 80);
final JPasswordField y =new JPasswordField();
y.setEchoChar((char) 0);
y.setBounds(0, 0, 120, 15);

    final JPasswordField m =new JPasswordField();
    m.setEditable(true);
    m.setBounds(0, 50, 120, 15);
    
       //按钮
    final Icon i=new ImageIcon("image/duigou.jpg");
    JButton queding=new JButton("确定");
    queding.setBounds(50,235,60,35);
    queding.addActionListener(new ActionListener() {
        
        @Override
        public void actionPerformed(ActionEvent arg0) {
            // TODO Auto-generated method stub
            String yong=new String(y.getPassword());
            String mi=new String(m.getPassword());
            if(yong.equals("yxq")&&mi.equals("123"))
            {
                JOptionPane.showMessageDialog(f1,"登录成功！","登录成功！",JOptionPane.INFORMATION_MESSAGE,i);
            }
            else
            {
                JOptionPane.showMessageDialog(f1, "您输入的用户名或密码错误！","登录失败！",JOptionPane.ERROR_MESSAGE);
            }
        }
    });
    
    
    
    JButton quxiao=new JButton("取消");
    quxiao.setBounds(190,235,60,35);
    quxiao.addActionListener(new ActionListener() {
        
        @Override
        public void actionPerformed(ActionEvent arg0) {
            // TODO Auto-generated method stub
            System.exit(0);
            
        }
    });
    
    
    JPanel p1=new JPanel();
    p1.setLayout(null);
    p1.setBounds(50, 180, 200, 25);
    p1.setOpaque(false);
    JCheckBox x1=new JCheckBox("记住密码");
    x1.setBounds(0,0,80,25);
    x1.setOpaque(false);
    JCheckBox x2=new JCheckBox("自动登录");
    x2.setBounds(120,0,80,25);
    x2.setOpaque(false);
    p1.add(x1);
    p1.add(x2);
    
    
    
    
    
    
    
    

    p.add(y);
    p.add(m);
    p.setOpaque(false);
    f1.add(p);
    f1.add(p1);
    f1.add(yonghuming);
    f1.add(mima);
    f1.add(guanbi);

    f1.add(queding);
    f1.add(quxiao);
    f1.setBounds(400,200,300,300);
    
    
    f1.setUndecorated(true);
    f1.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    f1.setVisible(true);
    

}