在Javascript中使用时间跨度
已经在使用Date.js,但如果需要,还可以使用其他库 不确定使用时间增量的最佳方式是什么。具体来说,我想显示从现在到过去日期时间之间经过的时间 所以我需要这样做:在Javascript中使用时间跨度,javascript,date,datetime,timespan,datejs,Javascript,Date,Datetime,Timespan,Datejs,已经在使用Date.js,但如果需要,还可以使用其他库 不确定使用时间增量的最佳方式是什么。具体来说,我想显示从现在到过去日期时间之间经过的时间 所以我需要这样做: var elapsed_time = new Date() - pastDate; pastDate.toString('days-hours-minutes-seconds'); 主要是使用Date.js实现的,但问题是现在我使用的是Date对象,而不是timespan,所以应该是23小时的时间跨度,而不是日期第一次出现后的23
var elapsed_time = new Date() - pastDate;
pastDate.toString('days-hours-minutes-seconds');
主要是使用Date.js实现的,但问题是现在我使用的是Date对象,而不是timespan,所以应该是23小时的时间跨度,而不是日期第一次出现后的23小时:
var result = (new Date()) - past_date;
"result" is the number (probably milliseconds): 15452732
var结果=(新日期())-过去的日期;
“result”是数字(可能是毫秒):15452732
var结果=(新日期()-过去日期
“结果”是1969年的日期:Wed Dec 31 1969 23:17:32
我需要的是:
0 days 23 hours 17 minutes and 32 seconds
0天23小时17分32秒
有什么想法吗?听起来你需要
e、 g
=>上周日晚上8:23
moment().startOf('hour').fromNow();
=>26分钟前
编辑:
纯JS日期差异计算:
var date1=新日期(“2012年11月7日20:30:00”);
var date2=新日期(“2012年11月20日19:15:00”);
var diff=date2.getTime()-date1.getTime();
变量天数=数学下限(差值/(1000*60*60*24));
差值-=天*(1000*60*60*24);
var小时=数学楼层(差值/(1000*60*60));
差异-=小时*(1000*60*60);
var mins=数学层(差值/(1000*60));
差异-=分钟*(1000*60);
var秒=数学地板(差值/(1000));
差值-=秒*(1000);
记录。写下(天+天,+小时+小时,+分钟+分钟,+秒+秒);
如果几天后你对准确性不太担心,你可以简单地计算一下
function timeSince(when) { // this ignores months
var obj = {};
obj._milliseconds = (new Date()).valueOf() - when.valueOf();
obj.milliseconds = obj._milliseconds % 1000;
obj._seconds = (obj._milliseconds - obj.milliseconds) / 1000;
obj.seconds = obj._seconds % 60;
obj._minutes = (obj._seconds - obj.seconds) / 60;
obj.minutes = obj._minutes % 60;
obj._hours = (obj._minutes - obj.minutes) / 60;
obj.hours = obj._hours % 24;
obj._days = (obj._hours - obj.hours) / 24;
obj.days = obj._days % 365;
// finally
obj.years = (obj._days - obj.days) / 365;
return obj;
}
然后timeSince(passdate);
并根据需要使用属性
否则您可以使用来计算它,但请注意,计算速度可能会稍慢一些
function timeSince(then) {
var now = new Date(), obj = {};
obj.milliseconds = now.getUTCMilliseconds() - then.getUTCMilliseconds();
obj.seconds = now.getUTCSeconds() - then.getUTCSeconds();
obj.minutes = now.getUTCMinutes() - then.getUTCMinutes();
obj.hours = now.getUTCHours() - then.getUTCHours();
obj.days = now.getUTCDate() - then.getUTCDate();
obj.months = now.getUTCMonth() - then.getUTCMonth();
obj.years = now.getUTCFullYear() - then.getUTCFullYear();
// fix negatives
if (obj.milliseconds < 0) --obj.seconds, obj.milliseconds = (obj.milliseconds + 1000) % 1000;
if (obj.seconds < 0) --obj.minutes, obj.seconds = (obj.seconds + 60) % 60;
if (obj.minutes < 0) --obj.hours, obj.minutes = (obj.minutes + 60) % 60;
if (obj.hours < 0) --obj.days, obj.hours = (obj.hours + 24) % 24;
if (obj.days < 0) { // months have different lengths
--obj.months;
now.setUTCMonth(now.getUTCMonth() + 1);
now.setUTCDate(0);
obj.days = (obj.days + now.getUTCDate()) % now.getUTCDate();
}
if (obj.months < 0) --obj.years, obj.months = (obj.months + 12) % 12;
return obj;
}
函数时间间隔(然后){
var now=new Date(),obj={};
obj.millides=now.getutcmillesons()-then.getutcmillesons();
obj.seconds=now.getUTCSeconds()-then.getUTCSeconds();
obj.minutes=now.getUTCMinutes()-then.getUTCMinutes();
obj.hours=now.getUTCHours()-then.getUTCHours();
obj.days=now.getUTCDate()-then.getUTCDate();
obj.months=now.getUTCMonth()-then.getUTCMonth();
obj.years=now.getUTCFullYear()-then.getUTCFullYear();
//修正底片
如果(obj.毫秒<0)--obj.秒,obj.毫秒=(obj.毫秒+1000)%1000;
如果(obj.seconds<0)--obj.minutes,obj.seconds=(obj.seconds+60)%60;
如果(obj.minutes<0)--obj.hours,obj.minutes=(obj.minutes+60)%60;
如果(obj.hours<0)--obj.days,则obj.hours=(obj.hours+24)%24;
如果(obj.days<0){//则月份具有不同的长度
--obj.个月;
now.setUTCMonth(now.getUTCMonth()+1);
现在,setUTCDate(0);
obj.days=(obj.days+now.getUTCDate())%now.getUTCDate();
}
如果(obj.months<0)--obj.years,obj.months=(obj.months+12)%12;
返回obj;
}
Moment.js提供以下功能:
这是一个很好的文档库
它应该遵循“持续时间”和“API人性化”的原则
您可以使用对象
例如:
const diff = moment.duration(Date.now() - new Date(2010, 1, 1))
console.log(`${diff.years()} years ${diff.months()} months ${diff.days()} days ${diff.hours()} hours ${diff.minutes()} minutes and ${diff.seconds()} seconds`)
/**
* 计算时间对象与当前时间的差距,并显示友好的文本
*中文:计算给定时间和当前时间之间的差值,然后显示结果。
*/
函数date2Text(日期){
var毫秒=新日期()-日期;
var timespan=新的timespan(毫秒);
如果(毫秒<0){
返回timespan.toString()+”之后";
}否则{
返回timespan.toString()+”前";
}
}
/**
* 用于计算时间间隔的对象
*中文:使用函数计算时间间隔
*@param毫秒毫秒数
*/
var TimeSpan=函数(毫秒){
毫秒=Math.abs(毫秒);
变量天数=数学下限(毫秒/(1000*60*60*24));
毫秒-=天*(1000*60*60*24);
var小时=数学下限(毫秒/(1000*60*60));
毫秒-=小时*(1000*60*60);
var mins=数学下限(毫秒/(1000*60));
毫秒-=分钟*(1000*60);
var秒=数学下限(毫秒/(1000));
毫秒-=秒*(1000);
返回{
getDays:函数(){
返程天数;
},
getHours:函数(){
返程时间;
},
getMinuts:函数(){
返回分钟;
},
getSeconds:函数(){
返回秒数;
},
toString:函数(){
var str=“”;
如果(天数>0 | |长度>0){
str+=天+”天";
}
如果(小时>0 | |长度>0){
str+=小时数+”小时";
}
如果(分钟>0 | |长度>0){
str+=分钟+”分钟";
}
如果(天=0&(秒>0 | | str.length>0)){
str+=秒+”秒";
}
返回str;
}
}
}
这里有一个.NET C#类似的timespan类实现,支持天、小时、分钟和秒。此实现还支持负timespan
const MILLIS_PER_SECOND = 1000;
const MILLIS_PER_MINUTE = MILLIS_PER_SECOND * 60; // 60,000
const MILLIS_PER_HOUR = MILLIS_PER_MINUTE * 60; // 3,600,000
const MILLIS_PER_DAY = MILLIS_PER_HOUR * 24; // 86,400,000
export class TimeSpan {
private _millis: number;
private static interval(value: number, scale: number): TimeSpan {
if (Number.isNaN(value)) {
throw new Error("value can't be NaN");
}
const tmp = value * scale;
const millis = TimeSpan.round(tmp + (value >= 0 ? 0.5 : -0.5));
if ((millis > TimeSpan.maxValue.totalMilliseconds) || (millis < TimeSpan.minValue.totalMilliseconds)) {
throw new TimeSpanOverflowError("TimeSpanTooLong");
}
return new TimeSpan(millis);
}
private static round(n: number): number {
if (n < 0) {
return Math.ceil(n);
} else if (n > 0) {
return Math.floor(n);
}
return 0;
}
private static timeToMilliseconds(hour: number, minute: number, second: number): number {
const totalSeconds = (hour * 3600) + (minute * 60) + second;
if (totalSeconds > TimeSpan.maxValue.totalSeconds || totalSeconds < TimeSpan.minValue.totalSeconds) {
throw new TimeSpanOverflowError("TimeSpanTooLong");
}
return totalSeconds * MILLIS_PER_SECOND;
}
public static get zero(): TimeSpan {
return new TimeSpan(0);
}
public static get maxValue(): TimeSpan {
return new TimeSpan(Number.MAX_SAFE_INTEGER);
}
public static get minValue(): TimeSpan {
return new TimeSpan(Number.MIN_SAFE_INTEGER);
}
public static fromDays(value: number): TimeSpan {
return TimeSpan.interval(value, MILLIS_PER_DAY);
}
public static fromHours(value: number): TimeSpan {
return TimeSpan.interval(value, MILLIS_PER_HOUR);
}
public static fromMilliseconds(value: number): TimeSpan {
return TimeSpan.interval(value, 1);
}
public static fromMinutes(value: number): TimeSpan {
return TimeSpan.interval(value, MILLIS_PER_MINUTE);
}
public static fromSeconds(value: number): TimeSpan {
return TimeSpan.interval(value, MILLIS_PER_SECOND);
}
public static fromTime(hours: number, minutes: number, seconds: number): TimeSpan;
public static fromTime(days: number, hours: number, minutes: number, seconds: number, milliseconds: number): TimeSpan;
public static fromTime(daysOrHours: number, hoursOrMinutes: number, minutesOrSeconds: number, seconds?: number, milliseconds?: number): TimeSpan {
if (milliseconds != undefined) {
return this.fromTimeStartingFromDays(daysOrHours, hoursOrMinutes, minutesOrSeconds, seconds, milliseconds);
} else {
return this.fromTimeStartingFromHours(daysOrHours, hoursOrMinutes, minutesOrSeconds);
}
}
private static fromTimeStartingFromHours(hours: number, minutes: number, seconds: number): TimeSpan {
const millis = TimeSpan.timeToMilliseconds(hours, minutes, seconds);
return new TimeSpan(millis);
}
private static fromTimeStartingFromDays(days: number, hours: number, minutes: number, seconds: number, milliseconds: number): TimeSpan {
const totalMilliSeconds = (days * MILLIS_PER_DAY) +
(hours * MILLIS_PER_HOUR) +
(minutes * MILLIS_PER_MINUTE) +
(seconds * MILLIS_PER_SECOND) +
milliseconds;
if (totalMilliSeconds > TimeSpan.maxValue.totalMilliseconds || totalMilliSeconds < TimeSpan.minValue.totalMilliseconds) {
throw new TimeSpanOverflowError("TimeSpanTooLong");
}
return new TimeSpan(totalMilliSeconds);
}
constructor(millis: number) {
this._millis = millis;
}
public get days(): number {
return TimeSpan.round(this._millis / MILLIS_PER_DAY);
}
public get hours(): number {
return TimeSpan.round((this._millis / MILLIS_PER_HOUR) % 24);
}
public get minutes(): number {
return TimeSpan.round((this._millis / MILLIS_PER_MINUTE) % 60);
}
public get seconds(): number {
return TimeSpan.round((this._millis / MILLIS_PER_SECOND) % 60);
}
public get milliseconds(): number {
return TimeSpan.round(this._millis % 1000);
}
public get totalDays(): number {
return this._millis / MILLIS_PER_DAY;
}
public get totalHours(): number {
return this._millis / MILLIS_PER_HOUR;
}
public get totalMinutes(): number {
return this._millis / MILLIS_PER_MINUTE;
}
public get totalSeconds(): number {
return this._millis / MILLIS_PER_SECOND;
}
public get totalMilliseconds(): number {
return this._millis;
}
public add(ts: TimeSpan): TimeSpan {
const result = this._millis + ts.totalMilliseconds;
return new TimeSpan(result);
}
public subtract(ts: TimeSpan): TimeSpan {
const result = this._millis - ts.totalMilliseconds;
return new TimeSpan(result);
}
}
从毫秒开始
常量毫秒=10000;//1秒
//通过使用构造函数
const ts1=新的时间跨度(毫秒);
//或者,您也可以使用静态工厂方法
const ts2=时间跨度从毫秒(毫秒);
从秒开始
常数秒=86400;//1天
常数ts=时间跨度(秒);
从分钟开始
常数分钟=1440;//1天
常数ts=时间跨度从分钟(分钟);
从几个小时开始
常数小时=24;//1天
常数ts=时间跨度fromHours(小时);
从天起
常数天=1;//1天
const ts=时间跨度fromDays(天);
从给定小时、分钟和秒的时间开始
var d1, d2; // Timepoints
var differenceInPlainText = moment(a).from(moment(b), true); // Add true for suffixless text
const diff = moment.duration(Date.now() - new Date(2010, 1, 1))
console.log(`${diff.years()} years ${diff.months()} months ${diff.days()} days ${diff.hours()} hours ${diff.minutes()} minutes and ${diff.seconds()} seconds`)
/**
* 计算时间对象与当前时间的差距,并显示友好的文本
* English: Calculating the difference between the given time and the current time and then showing the results.
*/
function date2Text(date) {
var milliseconds = new Date() - date;
var timespan = new TimeSpan(milliseconds);
if (milliseconds < 0) {
return timespan.toString() + "之后";
}else{
return timespan.toString() + "前";
}
}
/**
* 用于计算时间间隔的对象
* English: Using a function to calculate the time interval
* @param milliseconds 毫秒数
*/
var TimeSpan = function (milliseconds) {
milliseconds = Math.abs(milliseconds);
var days = Math.floor(milliseconds / (1000 * 60 * 60 * 24));
milliseconds -= days * (1000 * 60 * 60 * 24);
var hours = Math.floor(milliseconds / (1000 * 60 * 60));
milliseconds -= hours * (1000 * 60 * 60);
var mins = Math.floor(milliseconds / (1000 * 60));
milliseconds -= mins * (1000 * 60);
var seconds = Math.floor(milliseconds / (1000));
milliseconds -= seconds * (1000);
return {
getDays: function () {
return days;
},
getHours: function () {
return hours;
},
getMinuts: function () {
return mins;
},
getSeconds: function () {
return seconds;
},
toString: function () {
var str = "";
if (days > 0 || str.length > 0) {
str += days + "天";
}
if (hours > 0 || str.length > 0) {
str += hours + "小时";
}
if (mins > 0 || str.length > 0) {
str += mins + "分钟";
}
if (days == 0 && (seconds > 0 || str.length > 0)) {
str += seconds + "秒";
}
return str;
}
}
}
const MILLIS_PER_SECOND = 1000;
const MILLIS_PER_MINUTE = MILLIS_PER_SECOND * 60; // 60,000
const MILLIS_PER_HOUR = MILLIS_PER_MINUTE * 60; // 3,600,000
const MILLIS_PER_DAY = MILLIS_PER_HOUR * 24; // 86,400,000
export class TimeSpan {
private _millis: number;
private static interval(value: number, scale: number): TimeSpan {
if (Number.isNaN(value)) {
throw new Error("value can't be NaN");
}
const tmp = value * scale;
const millis = TimeSpan.round(tmp + (value >= 0 ? 0.5 : -0.5));
if ((millis > TimeSpan.maxValue.totalMilliseconds) || (millis < TimeSpan.minValue.totalMilliseconds)) {
throw new TimeSpanOverflowError("TimeSpanTooLong");
}
return new TimeSpan(millis);
}
private static round(n: number): number {
if (n < 0) {
return Math.ceil(n);
} else if (n > 0) {
return Math.floor(n);
}
return 0;
}
private static timeToMilliseconds(hour: number, minute: number, second: number): number {
const totalSeconds = (hour * 3600) + (minute * 60) + second;
if (totalSeconds > TimeSpan.maxValue.totalSeconds || totalSeconds < TimeSpan.minValue.totalSeconds) {
throw new TimeSpanOverflowError("TimeSpanTooLong");
}
return totalSeconds * MILLIS_PER_SECOND;
}
public static get zero(): TimeSpan {
return new TimeSpan(0);
}
public static get maxValue(): TimeSpan {
return new TimeSpan(Number.MAX_SAFE_INTEGER);
}
public static get minValue(): TimeSpan {
return new TimeSpan(Number.MIN_SAFE_INTEGER);
}
public static fromDays(value: number): TimeSpan {
return TimeSpan.interval(value, MILLIS_PER_DAY);
}
public static fromHours(value: number): TimeSpan {
return TimeSpan.interval(value, MILLIS_PER_HOUR);
}
public static fromMilliseconds(value: number): TimeSpan {
return TimeSpan.interval(value, 1);
}
public static fromMinutes(value: number): TimeSpan {
return TimeSpan.interval(value, MILLIS_PER_MINUTE);
}
public static fromSeconds(value: number): TimeSpan {
return TimeSpan.interval(value, MILLIS_PER_SECOND);
}
public static fromTime(hours: number, minutes: number, seconds: number): TimeSpan;
public static fromTime(days: number, hours: number, minutes: number, seconds: number, milliseconds: number): TimeSpan;
public static fromTime(daysOrHours: number, hoursOrMinutes: number, minutesOrSeconds: number, seconds?: number, milliseconds?: number): TimeSpan {
if (milliseconds != undefined) {
return this.fromTimeStartingFromDays(daysOrHours, hoursOrMinutes, minutesOrSeconds, seconds, milliseconds);
} else {
return this.fromTimeStartingFromHours(daysOrHours, hoursOrMinutes, minutesOrSeconds);
}
}
private static fromTimeStartingFromHours(hours: number, minutes: number, seconds: number): TimeSpan {
const millis = TimeSpan.timeToMilliseconds(hours, minutes, seconds);
return new TimeSpan(millis);
}
private static fromTimeStartingFromDays(days: number, hours: number, minutes: number, seconds: number, milliseconds: number): TimeSpan {
const totalMilliSeconds = (days * MILLIS_PER_DAY) +
(hours * MILLIS_PER_HOUR) +
(minutes * MILLIS_PER_MINUTE) +
(seconds * MILLIS_PER_SECOND) +
milliseconds;
if (totalMilliSeconds > TimeSpan.maxValue.totalMilliseconds || totalMilliSeconds < TimeSpan.minValue.totalMilliseconds) {
throw new TimeSpanOverflowError("TimeSpanTooLong");
}
return new TimeSpan(totalMilliSeconds);
}
constructor(millis: number) {
this._millis = millis;
}
public get days(): number {
return TimeSpan.round(this._millis / MILLIS_PER_DAY);
}
public get hours(): number {
return TimeSpan.round((this._millis / MILLIS_PER_HOUR) % 24);
}
public get minutes(): number {
return TimeSpan.round((this._millis / MILLIS_PER_MINUTE) % 60);
}
public get seconds(): number {
return TimeSpan.round((this._millis / MILLIS_PER_SECOND) % 60);
}
public get milliseconds(): number {
return TimeSpan.round(this._millis % 1000);
}
public get totalDays(): number {
return this._millis / MILLIS_PER_DAY;
}
public get totalHours(): number {
return this._millis / MILLIS_PER_HOUR;
}
public get totalMinutes(): number {
return this._millis / MILLIS_PER_MINUTE;
}
public get totalSeconds(): number {
return this._millis / MILLIS_PER_SECOND;
}
public get totalMilliseconds(): number {
return this._millis;
}
public add(ts: TimeSpan): TimeSpan {
const result = this._millis + ts.totalMilliseconds;
return new TimeSpan(result);
}
public subtract(ts: TimeSpan): TimeSpan {
const result = this._millis - ts.totalMilliseconds;
return new TimeSpan(result);
}
}
/** delta: 1234567890, @locale: 'en-US', @style: 'long' */
/* D~ h~ m~ s~ */
14 days 6 hours 56 minutes 7 seconds
/* D~ h~ m~ s~ f~ */
14 days 6 hours 56 minutes 7 seconds 890
/* D#"d" h#"h" m#"m" s#"s" f#"ms" */
14d 6h 56m 7s 890ms
/* D,h:m:s.f */
14,06:56:07.890
/* D~, h:m:s.f */
14 days, 06:56:07.890
/* h~ m~ s~ */
342 hours 56 minutes 7 seconds
/* s~ m~ h~ D~ */
7 seconds 56 minutes 6 hours 14 days
/* up D~, h:m */
up 14 days, 06:56