?? welcomewindow.java
字號:
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
class WelcomeWindow extends JFrame{
public WelcomeWindow(int waitTime){
super("歡迎使用");
Container container = getContentPane();
JLabel l = new JLabel(new ImageIcon("welcome.jpg"));
container.add(l, BorderLayout.CENTER);
setUndecorated(true);
setVisible(true);
pack();
Dimension screenSize =Toolkit.getDefaultToolkit().getScreenSize();
Dimension labelSize = l.getPreferredSize();
setLocation(screenSize.width/2 - (labelSize.width/2),screenSize.height/2 - (labelSize.height/2));
final int pause = waitTime;
final Runnable closerRunner = new Runnable(){
public void run(){
setVisible(false);
dispose();
}
};
Runnable waitRunner = new Runnable(){
public void run(){
try{
Thread.sleep(pause);
SwingUtilities.invokeAndWait(closerRunner);
}catch(Exception e){}
}
};
Thread waitThread = new Thread(waitRunner, "SplashThread");
waitThread.start();
}
public static void main(String []args){
new WelcomeWindow(1500);
try{
Thread.sleep(1500);
}
catch(Exception e){}
new PhoneBook();
}
}
?? 快捷鍵說明
復制代碼
Ctrl + C
搜索代碼
Ctrl + F
全屏模式
F11
切換主題
Ctrl + Shift + D
顯示快捷鍵
?
增大字號
Ctrl + =
減小字號
Ctrl + -