import java.awt.*;
import javax.swing.*;
import javax.swing.JFrame;
import java.awt.event.WindowListener;
import java.awt.event.WindowEvent;
import java.awt.event.WindowAdapter;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
import java.awt.event.MouseListener;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.Desktop;
import java.awt.Cursor; public class LinkLabel extends JLabel implements MouseListener
{
protected String text;
protected boolean isSupported;
protected JFrame parent = null;
public LinkLabel(String text, JFrame parent) //方法
{
this.text = text; //局部变量传递值给成员变量
this.parent = parent;
try
{
this.isSupported = Desktop.isDesktopSupported() && Desktop.getDesktop().isSupported(Desktop.Action.BROWSE);
} catch (Exception e)
{
this.isSupported = false;
}
setText(false);
addMouseListener(this);
}
private void setText(boolean b) //设置LinkLable的文本颜色
{
if (b)
setText("<html><font color=red><u>" + text);
else
setText("<html><font color=blue><u>" + text);
}
public void mouseEntered(MouseEvent e)
{
setText(isSupported);
if (isSupported)
setCursor(new Cursor(Cursor.HAND_CURSOR)); //光标变成手型
}
public void mouseExited(MouseEvent e)
{
setText(false);
}
public void mouseReleased(MouseEvent e)
{ }
public void mousePressed(MouseEvent e)
{ }
public void mouseClicked(MouseEvent e)
{
}
} class FixFrame extends JFrame
{
this.setResizable(false);
this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
}
class ResizableFrame extends JFrame
{
this.setResizable(true);
this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
}
class LoginFrame extends FixFrame
{
LoginFrame() //构造函数
{
display();//调用display()函数
}
private JButton btn1;
private JButton btn2;
private JTextField jtf1;
private JPasswordField jpf1; //密码文本
private ImageIcon img1;
private JLabel background1;
private ImageIcon img2;
private JLabel background2;
private JLabel lab1;
private Font fnt;
private JLabel lab2;
private Image im1;
private ImageIcon im2;
private MyListener ltn;
private BtnAction act;
private BtnAction2 act2;
class MyListener extends WindowAdapter //适配器 是扩展 不需要覆盖WindowAdapter中的所有方法 功能代码较多
{
public void windowClosing(WindowEvent e)
{
System.out.println("windowClosing");
int res = JOptionPane.showConfirmDialog(null,"是否退出程序应用","提示", JOptionPane.YES_NO_OPTION); //弹出消息框
System.out.println("res =" + res);
if(res == 0)
{
System.out.println("退出");
System.exit(1);// 退出
System.out.println("退出1"); //不输出 因为exit先执行
}
else if(res == 1)
{
System.out.println("不退出");
setDefaultCloseOperation(JFrame.DO_NOTHING_ON_CLOSE);
//System.exit(1);// 退出
// 不退出
}
}
}
class BtnAction implements ActionListener //btn事件
{
public void actionPerformed(ActionEvent e)
{
System.out.println("actionPerformed");
if(jtf1.getText().equals("jk") && jpf1.getText().equals("jk"))
{
System.out.println("OK");
dispose();
(new JFrame("主窗口")).setVisible(true);
}
else
{
System.out.println("Error");
JOptionPane.showConfirmDialog(null,"密码错误","提示", JOptionPane.DEFAULT_OPTION);
}
}
}
class BtnAction2 implements ActionListener //内部类
{
public void actionPerformed(ActionEvent e)
{
Object o = e.getSource();
JButton b = (JButton)o; //强制类型转换
System.out.println("芝麻开门" + btn2.getText()); //类的成员/函数，可以在内部类中使用 if(b == btn2) //b.getSource == "重置"
{
jtf1.setText("");
jpf1.setText("");
}
}
}
public void display()
{
//JFrame frm = new JFrame(); //窗体
img1 = new ImageIcon("timg.gif"); //背景
background1 = new JLabel(img1);
this.getLayeredPane().add(background1, new Integer(Integer.MIN_VALUE));
//background.setBounds(0, 0, img.getIconWidth(), img.getIconHeight());
background1.setBounds(0, 0, 425, 450);
img2 = new ImageIcon("33.gif");
background2 = new JLabel(img2);
this.getLayeredPane().add(background2, new Integer(Integer.MIN_VALUE));
background2.setBounds(0, 0, img2.getIconWidth(), img2.getIconHeight()); jtf1 = new JTextField(30); //文本
//jtf1.setColumns(10);
jtf1.setSize(200,35);
jtf1.setLocation(130,130);
jpf1 = new JPasswordField(30); //密码文本
//jpf1.setEchoChar('#'); 设置密码文本内容
jpf1.setSize(200,35);
jpf1.setLocation(130,180); lab1 = new JLabel("账号："); //标题
fnt = new Font("Serief",Font.ITALIC+Font.BOLD,15);
lab1.setFont(fnt);
lab1.setBackground(Color.BLUE); //label的背景颜色
lab1.setOpaque(true); //label是否透明
lab1.setForeground(Color.YELLOW); //label前景色
lab2 = new JLabel("密码：");
lab1.setSize(50,30);
lab2.setSize(50,30);
lab1.setLocation(70,130);
lab2.setLocation(70,180);
btn1 = new JButton("登录");
btn1.setBounds(100,230,180,50);
im1 = (new ImageIcon("QQ.png")).getImage(); //图标
this.setIconImage(im1);
//ImageIcon im2 = new ImageIcon("77.png"); //图标
im2 = new ImageIcon("./77.png");
btn1.setIcon(im2);
this.setLayout(null); //布局--绝对布局
ltn = new MyListener(); //监听
this.addWindowListener(ltn);
act = new BtnAction(); //btn事件
btn1.addActionListener(act);
btn2 = new JButton("重置");
btn2.setBounds(300,230,100,50);
act2 = new BtnAction2();
btn2.addActionListener(act2);
//frm.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
this.setSize(425,325);
this.setLocation(700,500);
this.setTitle("QQ登录");
this.setResizable(false);
this.add(btn1);
this.add(btn2);
this.add(lab1);
this.add(lab2);
this.add(jpf1);
this.add(jtf1);
this.add(background1);
this.add(background2);
this.setVisible(true);
System.out.println("OK");
}
public static void main(String[] args)
{
LoginFrame Event1 = new LoginFrame();
System.out.println("OK");
}
}
class RegsterFrame extends FixFrame
{ }
class BackPswFrame extends FixFrame
{ }
class MainFrame extends ResizableFrame
{ }