我想将时间长度(即秒数)转换为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,但它们都是关于转换为x小时和x分钟格式的。
那么有没有一个小片段可以在jQuery或纯JavaScript中实现此操作?
我想将时间长度(即秒数)转换为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,但它们都是关于转换为x小时和x分钟格式的。
那么有没有一个小片段可以在jQuery或纯JavaScript中实现此操作?
function formattime(numberofseconds){
var zero = '0', hours, minutes, seconds, time;
time = new Date(0, 0, 0, 0, 0, numberofseconds, 0);
hh = time.getHours();
mm = time.getMinutes();
ss = time.getSeconds()
// Pad zero values to 00
hh = (zero+hh).slice(-2);
mm = (zero+mm).slice(-2);
ss = (zero+ss).slice(-2);
time = hh + ':' + mm + ':' + ss;
return time;
}
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;
}
String.prototype.toHHMMSS = function () {
var sec_num = parseInt(this, 10); // don't forget the second param
var hours = Math.floor(sec_num / 3600);
var minutes = Math.floor((sec_num - (hours * 3600)) / 60);
var seconds = sec_num - (hours * 3600) - (minutes * 60);
var hourSeparator = ':';
var minuteSeparator = ':';
if(hours == 0){hours = '';hourSeparator = '';}
if (minutes < 10 && hours != 0) {minutes = "0"+minutes;}
if (seconds < 10) {seconds = "0"+seconds;}
var time = hours+hourSeparator+minutes+minuteSeparator+seconds;
return time;
}
这是它的ES6版本:
export const parseTime = (time) => { // send time in seconds
// eslint-disable-next-line
let hours = parseInt(time / 60 / 60), mins = Math.abs(parseInt(time / 60) - (hours * 60)), seconds = Math.round(time % 60);
return isNaN(hours) || isNaN(mins) || isNaN(seconds) ? `00:00:00` : `${hours > 9 ? Math.max(hours, 0) : '0' + Math.max(hours, 0)}:${mins > 9 ? Math.max(mins, 0) : '0' + Math.max(0, mins)}:${seconds > 9 ? Math.max(0, seconds) : '0' + Math.max(0, seconds)}`;}
尽管少数顶级答案已经包含了所有必要的信息以适应特定用例,但我看到每个人都在发布他们对该问题的看法。
既然我也想很酷 - 这是我的不必要而有点繁琐的解决方案,它是:
a)易读(希望如此!)
b)易于自定义
c)不打印任何零
鼓声
function durationToDDHHMMSSMS(durms) {
if (!durms) return "??";
var HHMMSSMS = new Date(durms).toISOString().substr(11, 12);
if (!HHMMSSMS) return "??";
var HHMMSS = HHMMSSMS.split(".")[0];
if (!HHMMSS) return "??";
var MS = parseInt(HHMMSSMS.split(".")[1],10);
var split = HHMMSS.split(":");
var SS = parseInt(split[2],10);
var MM = parseInt(split[1],10);
var HH = parseInt(split[0],10);
var DD = Math.floor(durms/(1000*60*60*24));
var string = "";
if (DD) string += ` ${DD}d`;
if (HH) string += ` ${HH}h`;
if (MM) string += ` ${MM}m`;
if (SS) string += ` ${SS}s`;
if (MS) string += ` ${MS}ms`;
return string;
},
这是一个更新至2019年的一行代码:
//your date
var someDate = new Date("Wed Jun 26 2019 09:38:02 GMT+0100")
var result = `${String(someDate.getHours()).padStart(2,"0")}:${String(someDate.getMinutes()).padStart(2,"0")}:${String(someDate.getSeconds()).padStart(2,"0")}`
//result will be "09:38:02"
Date
对象。 - mrdaliri我不喜欢在JavaScript中向标准数据类型添加属性,因此我建议使用以下方法:
/**
* Format a duration in seconds to a human readable format using the notion
* "h+:mm:ss", e.g. "4:40:78". Negative durations are preceeded by "-".
*
* @param t Duration in seconds
* @return The formatted duration string
*/
var readableDuration = (function() {
// Each unit is an object with a suffix s and divisor d
var units = [
{s: '', d: 1}, // Seconds
{s: ':', d: 60}, // Minutes
{s: ':', d: 60}, // Hours
];
// Closure function
return function(t) {
t = parseInt(t); // In order to use modulus
var trunc, n = Math.abs(t), i, out = []; // out: list of strings to concat
for (i = 0; i < units.length; i++) {
n = Math.floor(n / units[i].d); // Total number of this unit
// Truncate e.g. 26h to 2h using modulus with next unit divisor
if (i+1 < units.length) // Tweak substr with two digits
trunc = ('00'+ n % units[i+1].d).substr(-2, 2); // …if not final unit
else
trunc = n;
out.unshift(''+ trunc + units[i].s); // Output
}
(t < 0) ? out.unshift('-') : null; // Handle negative durations
return out.join('');
};
})();
使用方法:
var str = readableDuration(3808); // "1:03:28"
我还创建了一个更通用的版本。主要区别在于它接受毫秒(这是JS中的标准时间单位),输出格式使用空格。