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date=Calendar.getInstance();
hour=date.get(Calendar.HOUR_OF_DAY);
minute=date.get(Calendar.MINUTE);
second=date.get(Calendar.SECOND);
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ÎÒŪÁËÒ»¸öÓÃSpinnerDateModel¸ñʽµÄSpinner£¬ÎÒÏëÈÃÓû§ÉèÖÃʱ¼ä£¬È»ºó¶ÁÈ¡µ½hour/minute/second
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int nowHour = ...;
SpinnerNumberModel hourModel = new SpinnerNumberModel(nowHow, 1, 12, 1);
JSpinner hourSpinner = new JSpinner(hourModel);
... // minute second Óë hour ÏàËÆ

hourSpinner.addChangeListener(new ChangeListenr(){
    public void stateChanged(ChangeEvent e){
        ... // draw
    }
});

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ChangerListener listener = new ChangeListener(){
    public void stateChanged(ChangeEvent e){
        int hour = ((Integer) hourSpinner.getValue()).intValue();
        int minute = ((Integer) minuteSpinner.getVaule()).intValue();
        int second = ((Integer) secondSpinner.getValue()).intValue();

        drawClock(hour,minute,second); // ¸ù¾ÝÊäÈë µÄʱ¡¢·Ö¡¢Ãë »æÖÆÊ±ÖÓ
    }
}
hourSpinner.addChangeListener(listener);
minuteSpinner.addChangeListener(listener);


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JSP¶ÁÈëÊý¾Ý¿â - Java / Java EE

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