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计算两个日期相差的天数

kolibreath 2023-04-20 阅读 73


/**
	 * 计算两个日期之间相差的天数
	 * @param date1
	 * @param date2
	 * @return
	 */
	public static int daysBetween(Date date1,Date date2)
	{
		Calendar cal = Calendar.getInstance();
		cal.setTime(date1);
		long time1 = cal.getTimeInMillis();				
		cal.setTime(date2);
		long time2 = cal.getTimeInMillis();		
		long between_days=(time2-time1)/(1000*3600*24);
		
       return Integer.parseInt(String.valueOf(between_days));		
	}

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