新增时间工具js

src/utils/datetime.js

@@ -0,0 +1,212 @@
+/* eslint-disable */
+
+
+ Date.prototype.toMidnight = function() {
+  this.setHours(0)
+  this.setMinutes(0)
+  this.setSeconds(0)
+  this.setMilliseconds(0)
+  return this
+}
+
+Date.prototype.daysAgo = function(days, midnight) {
+  days = days ? days - 0 : 0
+  const date = new Date(this.getTime() - days * 8.64E7)
+  return midnight ? date.toMidnight() : date
+}
+
+Date.prototype.monthBegin = function(offset) {
+  offset = offset ? offset - 0 : 0
+  const days = this.getDate() - 1 - offset
+  return this.daysAgo(days, true)
+}
+
+Date.prototype.quarterBegin = function() {
+  const month = this.getMonth() - this.getMonth() % 3
+  return new Date(this.getFullYear(), month, 1).toMidnight()
+}
+
+Date.prototype.yearBegin = function() {
+  return new Date(this.getFullYear(), 0, 1).toMidnight()
+}
+
+Date.prototype.strftime = function(format, local) {
+  if (!format) {
+    const str = new Date(this.getTime() + 2.88E7).toISOString()
+    return str.substr(0, 16).replace('T', ' ')
+  }
+  local = local && local.startsWith('zh') ? 'zh' : 'en'
+  const padZero = function(str, len) {
+    const pads = len - str.toString().length
+    return (pads && pads > 0 ? '0'.repeat(pads) : '') + str
+  }
+  format = format.replace('%F', '%Y-%m-%d')
+  format = format.replace(/%D|%x/, '%m/%d/%y')
+  format = format.replace(/%T|%X/, '%H:%M:%S')
+  format = format.replace('%R', '%H:%M')
+  format = format.replace('%r', '%H:%M:%S %p')
+  format = format.replace('%c', '%a %b %e %H:%M:%S %Y')
+  const _this = this
+  return format.replace(/%[A-Za-z%]/g, function(f) {
+    let ans = f
+    switch (f) {
+      case '%%':
+        ans = '%'
+        break
+
+      case '%Y':
+      case '%G':
+        ans = _this.getFullYear()
+        break
+
+      case '%y':
+        ans = _this.getFullYear() % 100
+        break
+
+      case '%C':
+        ans = _this.getFullYear() / 100
+        break
+
+      case '%m':
+      case '%n':
+        ans = _this.getMonth() + 1
+        break
+
+      case '%B':
+        local = local.startsWith('en') ? 'english' : local
+
+      case '%b':
+        const m = _this.getMonth()
+        ans = local_labels.monthes[local][m]
+        break
+
+      case '%d':
+      case '%e':
+        ans = _this.getDate()
+        break
+
+      case '%j':
+        ans = _this.getDaysOfYear()
+        break
+
+      case '%U':
+      case '%W':
+        const ws = _this.getWeeksOfYear(f === '%W')
+        ans = padZero(ws, 2)
+        break
+
+      case '%w':
+        ans = _this.getDay()
+
+      case '%u':
+        ans = ans === 0 ? 7 : ans
+        break
+
+      case '%A':
+        local = local.startsWith('en') ? 'english' : local
+
+      case '%a':
+        const d = _this.getDay()
+        ans = local_labels.weekdays[local][d]
+        break
+
+      case '%H':
+      case '%k':
+        ans = _this.getHours()
+        break
+
+      case '%I':
+      case '%l':
+        ans = _this.getHours()
+        ans = ans % 12
+        break
+
+      case '%M':
+        ans = _this.getMinutes()
+        break
+
+      case '%S':
+        ans = _this.getSeconds()
+        break
+
+      case '%s':
+        ans = parseInt(_this.getTime() / 1E3)
+        break
+
+      case '%f':
+        const ms = _this.getMilliseconds()
+        ans = padZero(ms * 1E3, 6)
+        break
+
+      case '%P':
+        local = local.startsWith('en') ? 'english' : local
+
+      case '%p':
+        const h = _this.getHours()
+        ans = local_labels.meridians[local][h < 12 ? 0 : 1]
+        break
+
+      case '%z':
+        let tzo = _this.getTimezoneOffset()
+        const sign = tzo < 0 ? '-' : '+'
+        tzo = Math.abs(tzo)
+        const ho = padZero(tzo / 60, 2)
+        const mo = padZero(tzo % 60, 2)
+        ans = sign + ho + mo
+        break
+
+      default:
+        break
+    }
+    if (f === '%C' || f === '%y' || f === '%m' || f === '%d' || f === '%H' || f === '%M' || f === '%S') {
+      ans = padZero(ans, 2)
+    }
+    return ans.toString()
+  })
+}
+
+Date.prototype.humanize = function(local) {
+  local = local && local.startsWith('zh') ? 'zh' : 'en'
+  const result = this.strftime('', local)
+  const days = (Date.today() - this.toMidnight().getTime()) / 8.64E7
+  if (days <= -10 || days >= 10) {
+    return result
+  }
+  const labels = local_labels.dayagos[local]
+  let lbl = ''
+  if (days === 0 || days === 1) {
+    lbl = labels[days]
+  } else if (days === -1) {
+    lbl = labels[2]
+  } else if (days >= 2) {
+    lbl = days + labels[3]
+  } else {
+    lbl = days + labels[4]
+  }
+  return lbl + result.substr(10, 6)
+}
+
+const local_labels = {
+  monthes: {
+    english: ['January', 'February', 'March', 'April', 'May', 'June', 'July', 'August', 'September', 'October', 'November', 'December'],
+    en: ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'],
+    zh: ['一月', '二月', '三月', '四月', '五月', '六月', '七月', '八月', '九月', '十月', '十一月', '十二月']
+  },
+  weekdays: {
+    english: ['Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday'],
+    en: ['Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat'],
+    zh: ['日', '一', '二', '三', '四', '五', '六']
+  },
+  meridians: {
+    english: ['a.m.', 'p.m.'],
+    en: ['AM', 'PM'],
+    zh: ['上午', '下午']
+  },
+  dayagos: {
+    english: ['Today', 'Yesterday', 'Tomorrow', ' days ago', ' days late'],
+    en: ['Today', 'Yesterday', 'Tomorrow', ' days ago', ' days late'],
+    zh: ['今天', '昨天', '明天', '天前', '天后']
+  }
+}
+
+export default Date