我想转换时间的持续时间,即秒数,以冒号分隔的时间字符串(hh:mm:ss)
我在这里找到了一些有用的答案,但它们都谈到了转换成x小时和x分钟的格式。
那么有一个小片段,这是在jQuery或只是原始JavaScript?
我想转换时间的持续时间,即秒数,以冒号分隔的时间字符串(hh:mm:ss)
我在这里找到了一些有用的答案,但它们都谈到了转换成x小时和x分钟的格式。
那么有一个小片段,这是在jQuery或只是原始JavaScript?
当前回答
这是最简单的方法。
new Date(sec * 1000).toISOString().substr(11, 8)
其他回答
我喜欢第一个答案。 这里有一些优化:
源数据是一个数字。不需要额外的计算。 过多的计算
结果代码:
Number.prototype.toHHMMSS = function () {
var seconds = Math.floor(this),
hours = Math.floor(seconds / 3600);
seconds -= hours*3600;
var minutes = Math.floor(seconds / 60);
seconds -= minutes*60;
if (hours < 10) {hours = "0"+hours;}
if (minutes < 10) {minutes = "0"+minutes;}
if (seconds < 10) {seconds = "0"+seconds;}
return hours+':'+minutes+':'+seconds;
}
/**
* Formats seconds (number) to H:i:s format.
* 00:12:00
*
* When "short" option is set to true, will return:
* 0:50
* 2:00
* 12:00
* 1:00:24
* 10:00:00
*/
export default function formatTimeHIS (seconds, { short = false } = {}) {
const pad = num => num < 10 ? `0${num}` : num
const H = pad(Math.floor(seconds / 3600))
const i = pad(Math.floor(seconds % 3600 / 60))
const s = pad(seconds % 60)
if (short) {
let result = ''
if (H > 0) result += `${+H}:`
result += `${H > 0 ? i : +i}:${s}`
return result
} else {
return `${H}:${i}:${s}`
}
}
这是另一个版本,也处理天数:
function FormatSecondsAsDurationString( seconds )
{
var s = "";
var days = Math.floor( ( seconds / 3600 ) / 24 );
if ( days >= 1 )
{
s += days.toString() + " day" + ( ( days == 1 ) ? "" : "s" ) + " + ";
seconds -= days * 24 * 3600;
}
var hours = Math.floor( seconds / 3600 );
s += GetPaddedIntString( hours.toString(), 2 ) + ":";
seconds -= hours * 3600;
var minutes = Math.floor( seconds / 60 );
s += GetPaddedIntString( minutes.toString(), 2 ) + ":";
seconds -= minutes * 60;
s += GetPaddedIntString( Math.floor( seconds ).toString(), 2 );
return s;
}
function GetPaddedIntString( n, numDigits )
{
var nPadded = n;
for ( ; nPadded.length < numDigits ; )
{
nPadded = "0" + nPadded;
}
return nPadded;
}
toHHMMSS的非原型版本:
function toHHMMSS(seconds) {
var sec_num = parseInt(seconds);
var hours = Math.floor(sec_num / 3600);
var minutes = Math.floor((sec_num - (hours * 3600)) / 60);
var seconds = sec_num - (hours * 3600) - (minutes * 60);
if (hours < 10) {hours = "0"+hours;}
if (minutes < 10) {minutes = "0"+minutes;}
if (seconds < 10) {seconds = "0"+seconds;}
var time = hours+':'+minutes+':'+seconds;
return time;
}
最普遍的答案是
function hms(seconds) {
return [3600, 60]
.reduceRight(
(p, b) => r => [Math.floor(r / b)].concat(p(r % b)),
r => [r]
)(seconds)
.map(a => a.toString().padStart(2, '0'))
.join(':');
}
一些示例输出:
> hms(0)
< "00:00:00"
> hms(5)
< "00:00:05"
> hms(60)
< "00:01:00"
> hms(3785)
< "01:03:05"
> hms(37850)
< "10:30:50"
> hms(378500)
< "105:08:20"
详见https://stackoverflow.com/a/66504936/1310733