SimpleDateFormat dfs = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss.SSS");
long between = 0;
try {
java.util.Date begin = dfs.parse("2009-07-10 10:22:21.214");
java.util.Date end = dfs.parse("2009-07-20 11:24:49.145");
between = (end.getTime() - begin.getTime());// 得到两者的毫秒数
} catch (Exception ex) {
ex.printStackTrace();
}
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);
long ms = (between - day * 24 * 60 * 60 * 1000 - hour * 60 * 60 * 1000
- min * 60 * 1000 - s * 1000);
System.out.println(day + "天" + hour + "小时" + min + "分" + s + "秒" + ms
+ "毫秒");
long between = 0;
try {
java.util.Date begin = dfs.parse("2009-07-10 10:22:21.214");
java.util.Date end = dfs.parse("2009-07-20 11:24:49.145");
between = (end.getTime() - begin.getTime());// 得到两者的毫秒数
} catch (Exception ex) {
ex.printStackTrace();
}
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);
long ms = (between - day * 24 * 60 * 60 * 1000 - hour * 60 * 60 * 1000
- min * 60 * 1000 - s * 1000);
System.out.println(day + "天" + hour + "小时" + min + "分" + s + "秒" + ms
+ "毫秒");
本文详细介绍了使用Java的SimpleDateFormat解析日期时间,并计算两个日期时间之间的差值,然后将这个差值转换为人类可以理解的天、小时、分钟、秒和毫秒格式的过程。

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