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
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
其他回答
我是这样做的。它似乎工作得相当好,而且非常紧凑。(不过,它使用了很多三元操作符)
function formatTime(seconds) {
var hh = Math.floor(seconds / 3600),
mm = Math.floor(seconds / 60) % 60,
ss = Math.floor(seconds) % 60;
return (hh ? (hh < 10 ? "0" : "") + hh + ":" : "") + ((mm < 10) && hh ? "0" : "") + mm + ":" + (ss < 10 ? "0" : "") + ss
}
...对于格式化字符串…
String.prototype.toHHMMSS = function() {
formatTime(parseInt(this, 10))
};
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;
}
我认为这是目前为止最快的性能:
var t = 34236; // your seconds
var time = ('0'+Math.floor(t/3600) % 24).slice(-2)+':'+('0'+Math.floor(t/60)%60).slice(-2)+':'+('0' + t % 60).slice(-2)
//would output: 09:30:36
主题的变奏。处理个位数秒的方式有点不同
seconds2time(0) -> "0s"
seconds2time(59) -> "59s"
seconds2time(60) -> "1:00"
seconds2time(1000) -> "16:40"
seconds2time(4000) -> "1:06:40"
function seconds2time (seconds) {
var hours = Math.floor(seconds / 3600);
var minutes = Math.floor((seconds - (hours * 3600)) / 60);
var seconds = seconds - (hours * 3600) - (minutes * 60);
var time = "";
if (hours != 0) {
time = hours+":";
}
if (minutes != 0 || time !== "") {
minutes = (minutes < 10 && time !== "") ? "0"+minutes : String(minutes);
time += minutes+":";
}
if (time === "") {
time = seconds+"s";
}
else {
time += (seconds < 10) ? "0"+seconds : String(seconds);
}
return time;
}
function secondsToTime(secs)
{
var hours = Math.floor(secs / (60 * 60));
var divisor_for_minutes = secs % (60 * 60);
var minutes = Math.floor(divisor_for_minutes / 60);
var divisor_for_seconds = divisor_for_minutes % 60;
var seconds = Math.ceil(divisor_for_seconds);
if(hours >= 12)
{
var m= 'pm' ;
}
else
{
var m='am'
}
if(hours-12 >0)
{
var hrs = hours-12;
}
else if(hours-12 <0)
{
var hrs = hours;
}
var obj = {
"h": hrs,
"m": minutes,
"s": seconds,
"a":m
};
return obj;
}
var d = new Date();
var n = d.getHours();
var hms = d.getHours()+':'+d.getMinutes()+':'+d.getSeconds(); // your input string
var a = hms.split(':'); // split it at the colons
// minutes are worth 60 seconds. Hours are worth 60 minutes.
var seconds = (+a[0]) * 60 * 60 + (+a[1]) * 60 + (+a[2]);
console.log(seconds);
console.log(secondsToTime(seconds))
https://jsfiddle.net/jithinksoft/9x6z4sdt/