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chenjinsong
274
src/utils/date-util.js
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274
src/utils/date-util.js
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// 获取初始化时间，默认最近一周
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import moment from 'moment-timezone'
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Date.prototype.setStart = function () {
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this.setHours(0)
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this.setMinutes(0)
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this.setSeconds(0)
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}
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Date.prototype.setEnd = function () {
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this.setHours(23)
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this.setMinutes(59)
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this.setSeconds(59)
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}
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export function getDefaultDate () {
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let start = this.getDays(-7)
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let end = this.getDays(0)
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start.setStart()
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end.setEnd()
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// let start = this.getHoursTime(-1);
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// let end = this.getHoursTime(0);
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start = this.timeFormate(start, 'yyyy-MM-dd hh:mm:ss')
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end = this.timeFormate(end, 'yyyy-MM-dd hh:mm:ss')
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this.selectDate = [start, end]
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}
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export function getHoursTime (hours) {
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const today = new Date().getTime()
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const date = new Date(today + (hours * 60 * 60 * 1000))
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return date
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}
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// 初始化日期
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export function getDays (days) {
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const today = new Date().getTime()
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return new Date(today + (days * 24 * 60 * 60 * 1000))
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}
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export function formatDate (date, type) {
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const yy = date.getFullYear()
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const dateM = date.getMonth() + 1
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const mm = dateM > 9 ? dateM : `0${dateM}`
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const dateD = date.getDate()
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const dd = dateD > 9 ? dateD : `0${dateD}`
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if (type) {
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return `${yy}${type}${mm}${type}${dd}`
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}
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return `${yy}${mm}${dd}`
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}
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export function timeFormate (date, fmt = 'yyyy-MM-dd hh:mm:ss') {
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const time = new Date(date)
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let fm = fmt
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// fmt 自定义格式,如：yy-MM-dd
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let week = ''
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switch (time.getDay()) {
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case 0:
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week = '周日'
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break
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case 1:
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week = '周一'
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break
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case 2:
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week = '周二'
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break
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case 3:
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week = '周三'
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break
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case 4:
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week = '周四'
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break
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case 5:
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week = '周五'
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break
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case 6:
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week = '周六'
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break
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default:
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week = ''
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break
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}
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const o = {
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'M+': time.getMonth() + 1, // 月份
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'd+': time.getDate(), // 日
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hh: time.getHours(), // 小时
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'm+': time.getMinutes(), // 分
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's+': time.getSeconds(), // 秒
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'q+': Math.floor((time.getMonth() + 3) / 3), // 季度
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S: time.getMilliseconds(), // 毫秒
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w: week
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}
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if (/(y+)/.test(fm)) {
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fm = fm.replace(RegExp.$1, (time.getFullYear().toString()).substr(4 - RegExp.$1.length))
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}
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Object.keys(o).forEach((k) => {
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if (new RegExp(`(${k})`).test(fm)) {
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fm = fm.replace(RegExp.$1, (RegExp.$1.length === 1)
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? (o[k])
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: ((`00${o[k]}`).substr((`${o[k]}`).length)))
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}
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})
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return fm
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}
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// 格式化tag为字符串表达式
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export function tagsToString (metric, arr) {
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let str = metric
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let sepStr = ''
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arr.forEach((item, index) => {
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if (index === 0) {
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str += '{'
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if (item.value.length === 1) {
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str += `${item.name}='${item.value.join('|')}'`
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sepStr = ','
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} else if (item.value.length > 1) {
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str += `${item.name}=~'${item.value.join('|')}'`
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sepStr = ','
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}
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} else {
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if (item.value.length === 1) {
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str += sepStr + `${item.name}='${item.value.join('|')}'`
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sepStr = ','
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} else if (item.value.length > 1) {
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str += sepStr + `${item.name}=~'${item.value.join('|')}'`
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sepStr = ','
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}
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}
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})
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if (str.indexOf('{') > -1) {
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str += '}'
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}
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if (str.endsWith('{}')) {
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str = str.substring(0, str.indexOf('{'))
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}
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return str
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}
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export function getStep (startTime, endTime) {
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const start = new Date(startTime)
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const end = new Date(endTime)
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let step = '15s'
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const numInterval = end.getTime() - start.getTime()
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const oneDay = 86400000
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const sevenDay = 604800000
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const thirtyDay = 2592000000
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if (numInterval < oneDay) { // 小于1天，step为15s
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step = '15s'
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} else if (numInterval < sevenDay) {
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step = '5m'
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} else if (numInterval < thirtyDay) {
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step = '10m'
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} else {
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step = '30m'
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}
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return step
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}
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export function isEmptyObject (obj) {
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if (obj) {
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let name = ''
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// eslint-disable-next-line
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for (name in obj) { return false; }
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return true
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}
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return true
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}
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export function validateEmail (rule, value, callback) {
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if (value === '') {
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callback(new Error('请输入邮箱'))
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} else if (!this.emailReg.test(value)) {
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callback(new Error('邮箱格式不正确'))
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} else {
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callback()
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}
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}
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export function getNumStr (num) {
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if (num >= 1000) {
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const kbNum = num / 1000
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if (kbNum >= 1000) {
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const mbNum = kbNum / 1000
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if (mbNum > 1000) {
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const gbNum = mbNum / 1000
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if (gbNum > 1000) {
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const tbNum = gbNum / 1000
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if (tbNum > 1000) {
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const pbNum = tbNum / 1000
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return `${pbNum.toFixed(2)}PB`
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}
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return `${tbNum.toFixed(2)}TB`
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}
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return `${gbNum.toFixed(2)}GB`
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}
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return `${mbNum.toFixed(2)}MB`
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}
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return `${kbNum.toFixed(2)}KB`
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}
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return num.toFixed(2)
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}
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// 将本地时区转为系统配置的时区
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export function computeTimezone (sourceTime) {
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let offset = localStorage.getItem('cn-sys-timezone')
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offset = moment.tz(offset).format('Z')
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if (offset && offset !== 'undefined') {
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offset = Number.parseInt(offset)
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const date = new Date(sourceTime)
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const localOffset = date.getTimezoneOffset() * 60 * 1000 // 默认 一分钟显示时区偏移的结果
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const utcTime = sourceTime + localOffset
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return utcTime + (offset * 60 * 60 * 1000)
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} else {
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return sourceTime
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}
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}
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// 将本地时区转为系统配置的时区
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export function computeTimezoneTime (sourceTime) {
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let offset = localStorage.getItem('cn-sys-timezone')
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offset = moment.tz(offset).format('Z')
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if (offset && offset !== 'undefined') {
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offset = Number.parseInt(offset)
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const date = new Date(sourceTime)
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const localOffset = date.getTimezoneOffset() * 60 * 1000 // 默认 一分钟显示时区偏移的结果
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const utcTime = date.getTime() + localOffset
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return utcTime + (offset * 60 * 60 * 1000)
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} else {
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return sourceTime
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}
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}
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export function getTimezontDateRange (offset = -1) {
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return [
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new Date(new Date(this.computeTimezone(new Date().getTime())).setHours(new Date(this.computeTimezone(new Date().getTime())).getHours() + offset)),
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new Date(this.computeTimezone(new Date().getTime()))
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]
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}
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export function getOffsetTimezoneData (offset = 0) {
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return new Date(this.computeTimezone(new Date().getTime())).setHours(new Date(this.computeTimezone(new Date().getTime())).getHours() + offset)
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}
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export function debounce (fn, delay) {
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// 记录上一次的延时器
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let timer = null
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delay = delay || 200
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return function () {
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const args = arguments
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const that = this
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// 清除上一次延时器
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clearTimeout(timer)
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timer = setTimeout(function () {
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fn.apply(that, args)
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}, delay)
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}
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}
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export function UTCTimeToConfigTimezone (utcTime) {
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let offset = localStorage.getItem('cn-sys-timezone')
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offset = moment.tz(offset).format('Z')
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if (offset && offset !== 'undefined') {
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let time = utcTime
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if (typeof time === 'string' && /(\d+?-){2}\d+?\s(\d+?:)*\d+/.test(time)) {
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time = new Date(time).getTime()
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}
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offset = Number.parseInt(offset)
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time += offset * 60 * 60 * 1000
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return time
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} else {
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return utcTime
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}
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}
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export function configTimezoneToUTCTime (configTime) {
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let offset = localStorage.getItem('cn-sys-timezone')
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offset = moment.tz(offset).format('Z')
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if (offset && offset !== 'undefined') {
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let time = configTime
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if (typeof time === 'string' && /(\d+?-){2}\d+?\s(\d+?:)*\d+/.test(time)) {
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time = new Date(time).getTime()
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}
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offset = Number.parseInt(offset)
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time -= offset * 60 * 60 * 1000
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return time
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} else {
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return configTime
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}
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}
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