获取当日凌晨零点_gettodayzerodate

public static String getTodayZero(){
        Calendar calendar = Calendar.getInstance();
        calendar.setTime(new Date());
        calendar.set(Calendar.HOUR_OF_DAY, 0);
        calendar.set(Calendar.MINUTE, 0);
        calendar.set(Calendar.SECOND, 0);
        Date todayZero = calendar.getTime();
        SimpleDateFormat simpledataFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        simpledataFormat.format(todayZero);
        return simpledataFormat.format(todayZero);
    }
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