swing13.java

来自「java 初学者学习实例」· Java 代码 · 共 38 行

import javax. swing. *;
import java.awt.*;
import java. awt. event. *;
class TimeWin extends JFrame implements ActionListener
{static JTextArea text1, text2; Boy boy=new Boy();
     JScrollPane scroll_1, scroll_2;Container con;
     Timer time_1, time_2 ;   
     JSplitPane splitpane;
 TimeWin ( )
     { super("有计数器的窗口");
	  time_1=new Timer(1000,this);
	  time_2=new Timer(2000,boy);
       text1=new JTextArea (); text2=new JTextArea( );
       scroll_1=new JScrollPane(text1);
       scroll_2=new JScrollPane(text2);
       splitpane=new JSplitPane (JSplitPane.HORIZONTAL_SPLIT, scroll_1,scroll_2);
       setSize(200, 200);
       setVisible (true);
       con=getContentPane ( ); con. add (splitpane);
       time_1.start () ;time_2.start ();    
       addWindowListener (new WindowAdapter ()
	   {public void windowClosing(WindowEvent e)
	   {System.exit(0);}});
	   }
	   public void actionPerformed(ActionEvent e)
	   {text1.append("欢迎光临"+"\n");}
	}
	class Boy implements  ActionListener
	{
	      public void actionPerformed(ActionEvent e)
		  {TimeWin.text2.append("再见！"+"\n");}
	}
	public class Swing13 
	{
	     public static void main(String args[])
		 {TimeWin win = new TimeWin();win.pack();}
	}