Java获取昨天、当天、明天的某一个时间点

发表时间： 2017-09-21 16:15:56 | 浏览次数：

下面以22点(晚上10点)为例，获取昨天、当天、明天的22:00:00

// 前一天22:00
public static Date getStartTime() {
	Calendar time = Calendar.getInstance();
	time.add(Calendar.DATE, -1);
	time.set(Calendar.HOUR_OF_DAY, 22);
	time.set(Calendar.MINUTE, 0);
	time.set(Calendar.SECOND, 0);
	time.set(Calendar.MILLISECOND, 0);
	return time.getTime();
}

// 当天22:00
public static Date getEndTime() {
	Calendar time = Calendar.getInstance();
	time.set(Calendar.HOUR_OF_DAY, 22);
	time.set(Calendar.MINUTE, 00);
	time.set(Calendar.SECOND, 00);
	time.set(Calendar.MILLISECOND, 999);
	return time.getTime();
}

// 第二天22:00
public static Date getNextDayEndTime() {
	Calendar time = Calendar.getInstance();
	time.add(Calendar.DATE, 1);
	time.set(Calendar.HOUR_OF_DAY, 22);
	time.set(Calendar.MINUTE, 00);
	time.set(Calendar.SECOND, 00);
	time.set(Calendar.MILLISECOND, 999);
	return time.getTime();
}