DateUtil

1.

	//获取时间差
	public static void dateDiff(String desc,String startTime, String endTime) {  
		SimpleDateFormat dfs = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        long between = 0;
        try {
            java.util.Date begin = dfs.parse(startTime);
            java.util.Date end = dfs.parse(endTime);
            between = (end.getTime() - begin.getTime());// 得到两者的毫秒数
            
            long day = between / (24 * 60 * 60 * 1000);
            long hour = (between / (60 * 60 * 1000) - day * 24);
            long min = ((between / (60 * 1000)) - day * 24 * 60 - hour * 60);
            long s = (between / 1000 - day * 24 * 60 * 60 - hour * 60 * 60 - min * 60);
            
            System.out.println(desc+" 开始时间："+startTime+"    结束时间："+endTime);
            System.out.println(desc+" 总该耗时："+day + "天" + hour + "小时" + min + "分" + s + "秒");
        } catch (Exception ex) {
            ex.printStackTrace();
        }
	}