testframe.java

java绘图 java awt 经典绘图的例子,对于初学awt模块的人非常有帮助.

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 * and open the template in the editor.
 */

package awt;

import java.awt.Color;
import java.awt.Dimension;
import java.awt.FlowLayout;
import java.awt.Font;
import java.awt.Insets;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import javax.swing.BorderFactory;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.WindowConstants;
import javax.swing.border.BevelBorder;

/**
 *
 * @author zhaolin
 */
public class TestFrame extends JFrame{
    public TestFrame(){
        final JButton jb1 = new JButton("B1");
        final JButton jb2 = new JButton("B1");
        jb1.setLocation(20,50);
        jb1.setSize(60,26);
        
        jb1.setVisible(true);
        jb2.setVisible(false);
        jb1.addMouseListener(new MouseAdapter(){

            @Override
            public void mouseEntered(MouseEvent e) {
                jb1.setVisible(false);
                jb2.setVisible(true);
            }
            
        });
        
        jb2.addMouseListener(new MouseAdapter(){

            @Override
            public void mouseEntered(MouseEvent e) {
                jb2.setVisible(false);
                jb1.setVisible(true);
            }
            
        });
        
        jb1.setLocation(20,50);
        jb1.setSize(60,26);
        
        jb2.setLocation(80,120);
        jb2.setSize(60,26);
        
        this.getContentPane().setLayout(null);
        this.getContentPane().add(jb1);
        this.getContentPane().add(jb2);
        this.setSize(300,300);
        this.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
        this.setTitle("标题");
        this.setVisible(true);
        
    }
    
    public static void main(String[] args) {
        new TestFrame();
    }

}