How to change icon image of button on mouse entered/mouse exit?

问题

I want to change icon image of an Button on Mouse Entered and Mouse Exited.

    private void jButton1MouseEntered(java.awt.event.MouseEvent evt) {    
    this.jButton1.setBackground(Color.red);
    this.jButton1.setForeground(Color.BLUE)
    }  ;
 private void jButton1MouseExited(java.awt.event.MouseEvent evt) {                                     
       this.jButton1.setBackground(Color.lightGray);
       this.jButton1.setForeground(Color.BLACK);

    }                                    

Please suggest how to change icon image.

回答1:

See setRolloverIcon(Icon) (no need for the MouseListener).

来源：https://stackoverflow.com/questions/11536200/how-to-change-icon-image-of-button-on-mouse-entered-mouse-exit