从毫秒到小时，分钟，秒和毫秒 [英] From milliseconds to hour, minutes, seconds and milliseconds

问题描述

我需要从毫秒去的（小时，分，秒，毫秒），再$ P $一个元组psenting的时间相同。例如：

I need to go from milliseconds to a tuple of (hour, minutes, seconds, milliseconds) representing the same amount of time. E.g.:

10799999ms = 2H59米59S 999ms

10799999ms = 2h 59m 59s 999ms

下面的伪code是我能想出的唯一的事情：

The following pseudo-code is the only thing I could come up with:

# The division operator below returns the result as a rounded down integer
function to_tuple(x):
    h = x / (60*60*1000)
    x = x - h*(60*60*1000)
    m = x / (60*1000)
    x = x - m*(60*1000)
    s = x / 1000
    x = x - s*1000
    return (h,m,s,x)

我敢肯定，它必须是能够做到这一点聪明/更优雅/更快/更紧凑。

I'm sure it must be possible to do it smarter/more elegant/faster/more compact.

推荐答案

下面是我会怎么做它在Java中：

Here is how I would do it in Java:

int seconds = (int) (milliseconds / 1000) % 60 ;
int minutes = (int) ((milliseconds / (1000*60)) % 60);
int hours   = (int) ((milliseconds / (1000*60*60)) % 24);

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