import dayjs from 'dayjs'
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import 'dayjs/locale/zh-cn'
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import weekday from 'dayjs/plugin/weekday'
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// 配置 dayjs
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dayjs.locale('zh-cn')
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dayjs.extend(weekday)
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export const calcDate = (date1, date2) => {
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let date3 = date2 - date1
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let days = Math.floor(date3 / (24 * 3600 * 1000))
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let leave1 = date3 % (24 * 3600 * 1000) //计算天数后剩余的毫秒数
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let hours = Math.floor(leave1 / (3600 * 1000))
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let leave2 = leave1 % (3600 * 1000) //计算小时数后剩余的毫秒数
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let minutes = Math.floor(leave2 / (60 * 1000))
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let leave3 = leave2 % (60 * 1000) //计算分钟数后剩余的毫秒数
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let seconds = Math.round(date3 / 1000)
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return {
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leave1,
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leave2,
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leave3,
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days: days,
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hours: hours,
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minutes: minutes,
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seconds: seconds,
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}
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}
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/**
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* 日期格式化
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*/
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export function dateFormat(date, format) {
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format = format || 'yyyy-MM-dd hh:mm:ss'
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if (date !== 'Invalid Date') {
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let o = {
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'M+': date.getMonth() + 1, //month
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'd+': date.getDate(), //day
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'h+': date.getHours(), //hour
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'm+': date.getMinutes(), //minute
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's+': date.getSeconds(), //second
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'q+': Math.floor((date.getMonth() + 3) / 3), //quarter
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S: date.getMilliseconds(), //millisecond
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}
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if (/(y+)/.test(format)) format = format.replace(RegExp.$1, (date.getFullYear() + '').substr(4 - RegExp.$1.length))
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for (let k in o)
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if (new RegExp('(' + k + ')').test(format))
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format = format.replace(RegExp.$1, RegExp.$1.length === 1 ? o[k] : ('00' + o[k]).substr(('' + o[k]).length))
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return format
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}
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return ''
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}
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/**
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* 当前时间戳
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*/
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export function dateNow() {
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return dateFormat(new Date(), 'yyyyMMddhhmmss')
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}
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// 获取时间戳对应的日期
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export const getDateFromTimestamp = timestamp => {
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const date = new Date(timestamp)
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const year = date.getFullYear()
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const month = date.getMonth() + 1
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const day = date.getDate()
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const hours = date.getHours()
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const minutes = date.getMinutes()
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const seconds = date.getSeconds()
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return { year, month, day, hours, minutes, seconds }
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}
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/**
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* 根据给定的时间单位，返回对应的时间范围。
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*
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* @param {string} unit - 时间单位，可选值为 'today'、'week'、'month'、'year'。
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* @param formatStr -- 格式类型
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* @returns {Array<string>} 返回一个包含两个元素的数组，第一个元素是时间范围的开始时间，第二个元素是当前时间。
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* 时间格式为 'YYYY-MM-DD HH:mm:ss'。
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*/
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export const getDateRange = (unit, formatStr = 'YYYY-MM-DD HH:mm:ss') => {
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const todayDate = dayjs()
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let returnArr = [dayjs(), todayDate]
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if (unit === 'today') {
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returnArr = [dayjs(), todayDate]
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}
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if (unit === 'week') {
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returnArr = [dayjs().weekday(0), todayDate]
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}
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if (unit === 'month') {
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returnArr = [dayjs().startOf('month'), todayDate]
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}
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if (unit === 'year') {
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returnArr = [dayjs().startOf('year'), todayDate]
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}
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returnArr = [returnArr[0].startOf('day').format(formatStr), returnArr[1].endOf('day').format(formatStr)]
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return returnArr
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}
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