bean3.java

来自「由于想一次上传成功 所以将二个教程打包成了一个 这些例子几乎包含了所有java的」· Java 代码 · 共 46 行

package sunw.demo.bean3;
import java.awt.*;
import java.awt.event.*;

public class Bean3 extends Canvas 
{
    int count;

    public Bean3() 
    {
        addMouseListener(new MouseAdapter() {
            public void mousePressed(MouseEvent me) 
            {
                clicked();
            }
        });

        count = 0;
        setSize(200, 100);
    }

    public void clicked()  
    {
        count++;
        repaint();
    }

    public void increment() 
    {
        count++;
        repaint();
    }

    public void paint(Graphics g) 
    {
        Dimension dimension = getSize();
        int height = dimension.height;
        int width = dimension.width;

        g.setColor(new Color(255, 0, 0));
        g.fillRect(0, 0, --width, --height);

        g.setColor(new Color(0, 0, 0));
        g.drawString("Click count = " + count, 50, 50);
    }
}