import?java.awt.*;
import?java.awt.event.*;
import?javax.swing.*;
public?class?Sky?extends?Jframe?implements?ComponentListenerActionListenerRunnable
{
	private?Thread?thread_rollby;
	private?JPanel?Jpanel_1Jpanel_2;
	private?JButton?Jbutton_playJbutton_pauseJbutton_fastJbutton_slowJbutton_stop;
	private?JLabel?Jlabel_speed;
	static?int?xy;
	static?int?sleeptime=80;
	public?Sky（）
	{super（“月食“）;
	this.setSize（680400）;
	this.setLocation（200240）;
	this.setDefaultCloseOperation（EXIT_ON_CLOSE）;
	
	Jpanel_1=new?JPanel（new?FlowLayout（0））;
	this.add（Jpanel_1BorderLayout.NORTH）;
	Jpanel_1.setBackground（Color.BLACK）;
	Jbutton_play=new?JButton（“播放“）;
	Jpanel_1.add（Jbutton_play）;
	Jbutton_play.addActionListener（this）;
	
	Jbutton_pause=new?JButton（“暫停“）;
	Jpanel_1.add（Jbutton_pause）;
	Jbutton_pause.addActionListener（this）;
	Jbutton_pause.setEnabled（false）;
	
	Jbutton_fast=new?JButton（“加速“）;
	Jpanel_1.add（Jbutton_fast）;
	Jbutton_fast.addActionListener（this）;
	
	Jbutton_slow=new?JButton（“減速“）;
	Jpanel_1.add（Jbutton_slow）;
	Jbutton_slow.addActionListener（this）;
	
	Jbutton_stop=new?JButton（“停止“）;
	Jpanel_1.add（Jbutton_stop）;
	Jbutton_stop.addActionListener（this）;
	Jbutton_stop.setEnabled（false）;
	
	Jpanel_2=new?JPanel（new?FlowLayout（0））;
	this.add（Jpanel_2BorderLayout.CENTER）;
	Jpanel_2.setSize（600400）;
	Jpanel_2.setBackground（Color.BLACK）;
	Jlabel_speed=new?JLabel（“中速“）;
	Jlabel_speed.setForeground（Color.YELLOW）;
	Jpanel_2.add（Jlabel_speed）;
	
	this.addComponentListener（this）;
	x=Jpanel_2.getWidth（）/15;
	y=Jpanel_2.getHeight（）/4;
	this.setVisible（true）;
	}
public?void?run（）
{while（thread_rollby.isAlive（）&&!thread_rollby.isInterrupted（））
????{x=x+1;
?????try{
?????	repaint（）;
?????????thread_rollby.sleep（sleeptime）;
????????}
?????catch（InterruptedException?e）
????????{break;
????????}
????}
}
public?void?paint（Graphics?g）
	{super.paint（g）;
????int?diameter=Math.min（Jpanel_2.getWidth（）*2/3Jpanel_2.getHeight（）*2/3）;
	g.setColor（Color.YELLOW）;
	g.fillOval（280ydiameterdiameter）;
	g.setColor（Jpanel_2.getBackground（））;
	g.fillOval（xydiameterdiameter）;
	}
public?void?actionPerformed（ActionEvent?e）
{
?if（e.getSource（）==Jbutton_play）
?????{thread_rollby=new?Thread（this）;
?????thread_rollby.start（）;
?????Jbutton_play.setEnabled（false）;
?????Jbutton_pause.setEnabled（true）;
?????Jbutton_stop.setEnabled（true）;
?????}
?if（e.getSource（）==Jbutton_pause）
????{thread_rollby.interrupt（）;
????Jbutton_pause.setEnabled（false）;
????Jbutton_play.setEnabled（true）;
?	}
?if（e.getSource（）==Jbutton_fast）
????{
????Jbutton_slow.setEnabled（true）;
????sleeptime/=2;
????switch（sleeptime）
????{case?160:Jlabel_speed.setText（“較慢“）;break;
????case?80:Jlabel_speed.setText（“中速“）;break;
????case?40:Jlabel_speed.setText（“較快“）;break;
????case?20:{Jlabel_speed.setText（“快速“）;
?????????????Jbutton_fast.setEnabled（false）;
?	????????}break;
????}
????}
?if（e.getSource（）==Jbutton_slow）
???

?屬性????????????大小?????日期????時(shí)間???名稱
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?????文件???????4109??2009-06-08?15:01??Sky\Sky.class

?????文件???????3899??2009-06-08?15:01??Sky\Sky.java

?????目錄??????????0??2010-03-22?15:00??Sky

-----------?---------??----------?-----??----

?????????????????8008????????????????????3