以下是我的代码，但是点击椭圆外到本来的按钮方形区域依然会触发事件，怎么解决。
import java.awt.Color;import java.awt.Font;import java.awt.Graphics;import java.awt.Graphics2D;import java.awt.RenderingHints;import java.awt.event.MouseEvent;import java.awt.event.MouseListener;import javax.swing.JButton;// public class StartJButton extends JButton implements MouseListener{ private static final long serialVersionUID = 1L; public StartJButton(){ this.setBackground(new Color(65, 201, 252, 50)); this.addMouseListener(this); } public StartJButton(String text){ super(text); this.setBackground(new Color(65, 201, 252, 50)); this.addMouseListener(this); } public void paintComponent(Graphics g){ Graphics2D g2 = (Graphics2D) g; g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON); g2.setColor(super.getBackground()); g2.fillOval(0, 0, super.getWidth(), super.getHeight()); super.setContentAreaFilled(false); g2.setColor(Color.white); Font myFont = new Font("MV Boli",Font.BOLD,40); this.setFont(myFont); this.setForeground(Color.WHITE); this.setFocusPainted(false); super.paintComponent(g); } public void paintBorder(Graphics g){// super.paintBorder(g); Graphics2D g2 = (Graphics2D) g; g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON); g.setColor(Color.gray); g.drawOval(0, 0, super.getWidth() , super.getHeight()); } @Override public void mouseClicked(MouseEvent e) { // TODO Auto-generated method stub// this.setBackground(Color.white); } @Override public void mousePressed(MouseEvent e) { // TODO Auto-generated method stub this.setBackground(new Color(65, 201, 252, 200)); } @Override public void mouseReleased(MouseEvent e) { // TODO Auto-generated method stub this.setBackground(new Color(65, 201, 252, 50)); } @Override public void mouseEntered(MouseEvent e) { // TODO Auto-generated method stub this.setBackground(new Color(65, 201, 252, 150)); } @Override public void mouseExited(MouseEvent e) { // TODO Auto-generated method stub this.setBackground(new Color(65, 201, 252, 50)); }} |
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