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| // yyyy-MM-dd hh:mm:ss.SSS 所有支持的类型
| function pad(str, length = 2) {
| str += ''
| while (str.length < length) {
| str = '0' + str
| }
| return str.slice(-length)
| }
|
| const parser = {
| yyyy: (dateObj) => {
| return pad(dateObj.year, 4)
| },
| yy: (dateObj) => {
| return pad(dateObj.year)
| },
| MM: (dateObj) => {
| return pad(dateObj.month)
| },
| M: (dateObj) => {
| return dateObj.month
| },
| dd: (dateObj) => {
| return pad(dateObj.day)
| },
| d: (dateObj) => {
| return dateObj.day
| },
| hh: (dateObj) => {
| return pad(dateObj.hour)
| },
| h: (dateObj) => {
| return dateObj.hour
| },
| mm: (dateObj) => {
| return pad(dateObj.minute)
| },
| m: (dateObj) => {
| return dateObj.minute
| },
| ss: (dateObj) => {
| return pad(dateObj.second)
| },
| s: (dateObj) => {
| return dateObj.second
| },
| SSS: (dateObj) => {
| return pad(dateObj.millisecond, 3)
| },
| S: (dateObj) => {
| return dateObj.millisecond
| },
| }
|
| // 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
| }
| switch (typeof time) {
| case 'string':
| return new Date(time.replace(/-/g, '/'))
| 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(),
| 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 && 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)
| }
|
|
