example25_10try.java

不错的教程 适合中高级人员的使用

import javax.swing.*; import java.awt.*; 
import java.awt.event.*;
class MyWin extends JFrame 
{ JButton b1,b2,b3; 
  public  MyWin()
  { setBounds(100,100,300,200); setVisible(true);
    addWindowListener(new WindowAdapter()
      {  public void windowClosing(WindowEvent e)
         {  System.exit(0);
         }
      });
	  //ImageIcon icon=new ImageIcon("CTeX.ico");b1=new JButton("按钮1",icon);
    b1=new JButton("按钮1",new ImageIcon("xbreast01.gif"));
    b2=new JButton("按钮2",new ImageIcon("jiafei1.jpg"));
    b3=new JButton("按钮3",new ImageIcon("tom1.gif"));
    b1.setRolloverIcon(b2.getIcon());
    b2.setRolloverIcon(b3.getIcon());
    b3.setRolloverIcon(b1.getIcon());
   /* b1.setHorizontalTextPosition(AbstractButton.LEFT);
    b1.setVerticalTextPosition(AbstractButton.TOP);
    b2.setHorizontalTextPosition(AbstractButton.RIGHT);
    b2.setVerticalTextPosition(AbstractButton.BOTTOM);
    b3.setHorizontalTextPosition(AbstractButton.CENTER);
    b3.setVerticalTextPosition(AbstractButton.CENTER);*/
    Container con=getContentPane(); 
    con.setLayout(new FlowLayout());
    con.add(b1);con.add(b2); con.add(b3); 
    con.validate();
  }
}
public class Example25_10try 
{  public static void main(String args[])
  {  new MyWin();
  }
}