// yyyy-MM-dd hh:mm:ss.SSS 所有支持的类型
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function pad(str, length = 2) {
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str += ''
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while (str.length < length) {
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str = '0' + str
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}
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return str.slice(-length)
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}
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const parser = {
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yyyy: (dateObj) => {
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return pad(dateObj.year, 4)
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},
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yy: (dateObj) => {
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return pad(dateObj.year)
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},
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MM: (dateObj) => {
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return pad(dateObj.month)
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},
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M: (dateObj) => {
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return dateObj.month
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},
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dd: (dateObj) => {
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return pad(dateObj.day)
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},
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d: (dateObj) => {
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return dateObj.day
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},
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hh: (dateObj) => {
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return pad(dateObj.hour)
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},
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h: (dateObj) => {
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return dateObj.hour
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},
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mm: (dateObj) => {
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return pad(dateObj.minute)
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},
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m: (dateObj) => {
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return dateObj.minute
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},
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ss: (dateObj) => {
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return pad(dateObj.second)
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},
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s: (dateObj) => {
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return dateObj.second
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},
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SSS: (dateObj) => {
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return pad(dateObj.millisecond, 3)
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},
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S: (dateObj) => {
|
return dateObj.millisecond
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},
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}
|
|
// 这都n年了iOS依然不认识2020-12-12，需要转换为2020/12/12
|
function getDate(time) {
|
if (time instanceof Date) {
|
return time
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}
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switch (typeof time) {
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case 'string':
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{
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// 2020-12-12T12:12:12.000Z、2020-12-12T12:12:12.000
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if (time.indexOf('T') > -1) {
|
return new Date(time)
|
}
|
return new Date(time.replace(/-/g, '/'))
|
}
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default:
|
return new Date(time)
|
}
|
}
|
|
export function formatDate(date, format = 'yyyy/MM/dd hh:mm:ss') {
|
if (!date && date !== 0) {
|
return ''
|
}
|
date = getDate(date)
|
const dateObj = {
|
year: date.getFullYear(),
|
month: date.getMonth() + 1,
|
day: date.getDate(),
|
hour: date.getHours(),
|
minute: date.getMinutes(),
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second: date.getSeconds(),
|
millisecond: date.getMilliseconds()
|
}
|
const tokenRegExp = /yyyy|yy|MM|M|dd|d|hh|h|mm|m|ss|s|SSS|SS|S/
|
let flag = true
|
let result = format
|
while (flag) {
|
flag = false
|
result = result.replace(tokenRegExp, function(matched) {
|
flag = true
|
return parser[matched](dateObj)
|
})
|
}
|
return result
|
}
|
|
export function friendlyDate(time, {
|
locale = 'zh',
|
threshold = [60000, 3600000],
|
format = 'yyyy/MM/dd hh:mm:ss'
|
}) {
|
if (time === '-') {
|
return time
|
}
|
if (!time && time !== 0) {
|
return ''
|
}
|
const localeText = {
|
zh: {
|
year: '年',
|
month: '月',
|
day: '天',
|
hour: '小时',
|
minute: '分钟',
|
second: '秒',
|
ago: '前',
|
later: '后',
|
justNow: '刚刚',
|
soon: '马上',
|
template: '{num}{unit}{suffix}'
|
},
|
en: {
|
year: 'year',
|
month: 'month',
|
day: 'day',
|
hour: 'hour',
|
minute: 'minute',
|
second: 'second',
|
ago: 'ago',
|
later: 'later',
|
justNow: 'just now',
|
soon: 'soon',
|
template: '{num} {unit} {suffix}'
|
}
|
}
|
const text = localeText[locale] || localeText.zh
|
let date = getDate(time)
|
let ms = date.getTime() - Date.now()
|
let absMs = Math.abs(ms)
|
if (absMs < threshold[0]) {
|
return ms < 0 ? text.justNow : text.soon
|
}
|
if (absMs >= threshold[1]) {
|
return formatDate(date, format)
|
}
|
let num
|
let unit
|
let suffix = text.later
|
if (ms < 0) {
|
suffix = text.ago
|
ms = -ms
|
}
|
const seconds = Math.floor((ms) / 1000)
|
const minutes = Math.floor(seconds / 60)
|
const hours = Math.floor(minutes / 60)
|
const days = Math.floor(hours / 24)
|
const months = Math.floor(days / 30)
|
const years = Math.floor(months / 12)
|
switch (true) {
|
case years > 0:
|
num = years
|
unit = text.year
|
break
|
case months > 0:
|
num = months
|
unit = text.month
|
break
|
case days > 0:
|
num = days
|
unit = text.day
|
break
|
case hours > 0:
|
num = hours
|
unit = text.hour
|
break
|
case minutes > 0:
|
num = minutes
|
unit = text.minute
|
break
|
default:
|
num = seconds
|
unit = text.second
|
break
|
}
|
|
if (locale === 'en') {
|
if (num === 1) {
|
num = 'a'
|
} else {
|
unit += 's'
|
}
|
}
|
|
return text.template.replace(/{\s*num\s*}/g, num + '').replace(/{\s*unit\s*}/g, unit).replace(/{\s*suffix\s*}/g,
|
suffix)
|
}
|
