|
|
/**
|
|
|
* @class DateTime
|
|
|
* @description 日期处理模块
|
|
|
*/
|
|
|
module.exports = class DateTime {
|
|
|
constructor() {
|
|
|
//默认日期展示格式
|
|
|
this.defaultDateFormat = 'Y-m-d H:i:s'
|
|
|
//默认时区
|
|
|
this.defaultTimezone = 8
|
|
|
this.setTimeZone(this.defaultTimezone)
|
|
|
}
|
|
|
|
|
|
/**
|
|
|
* 设置时区
|
|
|
* @param {Number} timezone 时区
|
|
|
*/
|
|
|
setTimeZone(timezone) {
|
|
|
if (timezone) {
|
|
|
this.timezone = parseInt(timezone)
|
|
|
}
|
|
|
return this
|
|
|
}
|
|
|
|
|
|
/**
|
|
|
* 获取 Date对象
|
|
|
* @param {Date|Time} time
|
|
|
*/
|
|
|
getDateObj(time) {
|
|
|
return time ? new Date(time) : new Date()
|
|
|
}
|
|
|
|
|
|
/**
|
|
|
* 获取毫秒/秒级时间戳
|
|
|
* @param {DateTime} datetime 日期 例：'2022-04-21 00:00:00'
|
|
|
* @param {Boolean} showSenconds 是否显示为秒级时间戳
|
|
|
*/
|
|
|
getTime(datetime, showSenconds) {
|
|
|
let time = this.getDateObj(datetime).getTime()
|
|
|
if (showSenconds) {
|
|
|
time = Math.trunc(time / 1000)
|
|
|
}
|
|
|
return time
|
|
|
}
|
|
|
|
|
|
/**
|
|
|
* 获取日期
|
|
|
* @param {String} dateFormat 日期格式
|
|
|
* @param {Time} time 时间戳
|
|
|
*/
|
|
|
getDate(dateFormat, time) {
|
|
|
return this.dateFormat(dateFormat, time)
|
|
|
}
|
|
|
|
|
|
|
|
|
/**
|
|
|
* 获取日期在不同时区下的时间戳
|
|
|
* @param {Date|Time}} time 日期或时间戳
|
|
|
* @param {Object} timezone 时区
|
|
|
*/
|
|
|
getTimeByTimeZone(time, timezone) {
|
|
|
this.setTimeZone(timezone)
|
|
|
const thisDate = time ? new Date(time) : new Date()
|
|
|
const localTime = thisDate.getTime()
|
|
|
const offset = thisDate.getTimezoneOffset()
|
|
|
const utc = offset * 60000 + localTime
|
|
|
return utc + (3600000 * this.timezone)
|
|
|
}
|
|
|
|
|
|
/**
|
|
|
* 获取时间信息
|
|
|
* @param {Time} time 时间戳
|
|
|
* @param {Boolean} full 是否完整展示, 为true时小于10的位会自动补0
|
|
|
*/
|
|
|
getTimeInfo(time, full = true) {
|
|
|
time = this.getTimeByTimeZone(time)
|
|
|
const date = this.getDateObj(time)
|
|
|
const retData = {
|
|
|
nYear: date.getFullYear(),
|
|
|
nMonth: date.getMonth() + 1,
|
|
|
nWeek: date.getDay() || 7,
|
|
|
nDay: date.getDate(),
|
|
|
nHour: date.getHours(),
|
|
|
nMinutes: date.getMinutes(),
|
|
|
nSeconds: date.getSeconds()
|
|
|
}
|
|
|
|
|
|
if (full) {
|
|
|
for (const k in retData) {
|
|
|
if (retData[k] < 10) {
|
|
|
retData[k] = '0' + retData[k]
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
return retData
|
|
|
}
|
|
|
|
|
|
/**
|
|
|
* 时间格式转换
|
|
|
* @param {String} format 展示格式如:Y-m-d H:i:s
|
|
|
* @param {Time} time 时间戳
|
|
|
*/
|
|
|
dateFormat(format, time) {
|
|
|
const timeInfo = this.getTimeInfo(time)
|
|
|
format = format || this.defaultDateFormat
|
|
|
let date = format
|
|
|
if (format.indexOf('Y') > -1) {
|
|
|
date = date.replace(/Y/, timeInfo.nYear)
|
|
|
}
|
|
|
if (format.indexOf('m') > -1) {
|
|
|
date = date.replace(/m/, timeInfo.nMonth)
|
|
|
}
|
|
|
if (format.indexOf('d') > -1) {
|
|
|
date = date.replace(/d/, timeInfo.nDay)
|
|
|
}
|
|
|
if (format.indexOf('H') > -1) {
|
|
|
date = date.replace(/H/, timeInfo.nHour)
|
|
|
}
|
|
|
if (format.indexOf('i') > -1) {
|
|
|
date = date.replace(/i/, timeInfo.nMinutes)
|
|
|
}
|
|
|
if (format.indexOf('s') > -1) {
|
|
|
date = date.replace(/s/, timeInfo.nSeconds)
|
|
|
}
|
|
|
return date
|
|
|
}
|
|
|
|
|
|
/**
|
|
|
* 获取utc格式时间
|
|
|
* @param {Date|Time} datetime 日期或时间戳
|
|
|
*/
|
|
|
getUTC(datetime) {
|
|
|
return this.getDateObj(datetime).toUTCString()
|
|
|
}
|
|
|
|
|
|
/**
|
|
|
* 获取ISO 格式时间
|
|
|
* @param {Date|Time} datetime 日期或时间戳
|
|
|
*/
|
|
|
getISO(datetime) {
|
|
|
return this.getDateObj(datetime).toISOString()
|
|
|
}
|
|
|
|
|
|
/**
|
|
|
* 获取两时间相差天数
|
|
|
* @param {Time} time1 时间戳
|
|
|
* @param {Time} time2 时间戳
|
|
|
*/
|
|
|
getDiffDays(time1, time2) {
|
|
|
if (!time1) {
|
|
|
return false
|
|
|
}
|
|
|
time2 = time2 ? time2 : this.getTime()
|
|
|
|
|
|
let diffTime = time2 - time1
|
|
|
if (diffTime < 0) {
|
|
|
diffTime = Math.abs(diffTime)
|
|
|
}
|
|
|
|
|
|
return Math.ceil(diffTime / 86400000)
|
|
|
}
|
|
|
|
|
|
/**
|
|
|
* 字符串转时间戳
|
|
|
* @param {Object} str 字符串类型的时间戳
|
|
|
*/
|
|
|
strToTime(str) {
|
|
|
if (Array.from(str).length === 10) {
|
|
|
str += '000'
|
|
|
}
|
|
|
return this.getTime(parseInt(str))
|
|
|
}
|
|
|
|
|
|
/**
|
|
|
* 根据设置的天数获取指定日期N天后（前）的时间戳
|
|
|
* @param {Number} days 天数
|
|
|
* @param {Date|Time} time 指定的日期或时间戳
|
|
|
* @param {Boolean} getAll 是否获取完整时间戳，为 false 时返回指定日期初始时间戳（当天00:00:00的时间戳）
|
|
|
*/
|
|
|
getTimeBySetDays(days, time, getAll = false) {
|
|
|
const date = this.getDateObj(time)
|
|
|
date.setDate(date.getDate() + days)
|
|
|
let startTime = date.getTime()
|
|
|
if (!getAll) {
|
|
|
const realdate = this.getDate('Y-m-d 00:00:00', startTime)
|
|
|
startTime = this.getTimeByDateAndTimezone(realdate)
|
|
|
}
|
|
|
return startTime
|
|
|
}
|
|
|
|
|
|
/**
|
|
|
* 根据设置的小时数获取指定日期N小时后（前）的时间戳
|
|
|
* @param {Number} hours 小时数
|
|
|
* @param {Date|Time} time 指定的日期或时间戳
|
|
|
* @param {Boolean} getAll 是否获取完整时间戳，为 false 时返回指定时间初始时间戳（该小时00:00的时间戳）
|
|
|
*/
|
|
|
getTimeBySetHours(hours, time, getAll = false) {
|
|
|
const date = this.getDateObj(time)
|
|
|
date.setHours(date.getHours() + hours)
|
|
|
let startTime = date.getTime()
|
|
|
if (!getAll) {
|
|
|
const realdate = this.getDate('Y-m-d H:00:00', startTime)
|
|
|
startTime = this.getTimeByDateAndTimezone(realdate)
|
|
|
}
|
|
|
return startTime
|
|
|
}
|
|
|
|
|
|
/**
|
|
|
* 根据设置的周数获取指定日期N周后（前）的时间戳
|
|
|
* @param {Number} weeks 周数
|
|
|
* @param {Date|Time} time 指定的日期或时间戳
|
|
|
* @param {Boolean} getAll 是否获取完整时间戳，为 false 时返回指定日期初始时间戳（当天00:00:00的时间戳）
|
|
|
*/
|
|
|
getTimeBySetWeek(weeks, time, getAll = false) {
|
|
|
const date = this.getDateObj(time)
|
|
|
const dateInfo = this.getTimeInfo(time)
|
|
|
const day = dateInfo.nWeek
|
|
|
const offsetDays = 1 - day
|
|
|
weeks = weeks * 7 + offsetDays
|
|
|
date.setDate(date.getDate() + weeks)
|
|
|
let startTime = date.getTime()
|
|
|
if (!getAll) {
|
|
|
const realdate = this.getDate('Y-m-d 00:00:00', startTime)
|
|
|
startTime = this.getTimeByDateAndTimezone(realdate)
|
|
|
}
|
|
|
return startTime
|
|
|
}
|
|
|
|
|
|
/**
|
|
|
* 根据设置的月数获取指定日期N月后（前）的时间戳
|
|
|
* @param {Number} monthes 月数
|
|
|
* @param {Date|Time} time 指定的日期或时间戳
|
|
|
* @param {Boolean} getAll 是否获取完整时间戳，为 false 时返回指定日期初始时间戳（当天00:00:00的时间戳）
|
|
|
*/
|
|
|
getTimeBySetMonth(monthes, time, getAll = false) {
|
|
|
const date = this.getDateObj(time)
|
|
|
date.setMonth(date.getMonth() + monthes)
|
|
|
let startTime = date.getTime()
|
|
|
if (!getAll) {
|
|
|
const realdate = this.getDate('Y-m-01 00:00:00', startTime)
|
|
|
startTime = this.getTimeByDateAndTimezone(realdate)
|
|
|
}
|
|
|
return startTime
|
|
|
}
|
|
|
|
|
|
/**
|
|
|
* 根据设置的季度数获取指定日期N个季度后（前）的时间戳
|
|
|
* @param {Number} quarter 季度
|
|
|
* @param {Date|Time} time 指定的日期或时间戳
|
|
|
* @param {Boolean} getAll 是否获取完整时间戳，为 false 时返回指定日期初始时间戳（当天00:00:00的时间戳）
|
|
|
*/
|
|
|
getTimeBySetQuarter(quarter, time, getAll = false) {
|
|
|
const date = this.getDateObj(time)
|
|
|
const dateInfo = this.getTimeInfo(time)
|
|
|
date.setMonth(date.getMonth() + quarter * 3)
|
|
|
const month = date.getMonth() + 1;
|
|
|
let quarterN;
|
|
|
let mm;
|
|
|
if ([1,2,3].indexOf(month) > -1) {
|
|
|
// 第1季度
|
|
|
mm = "01";
|
|
|
} else if ([4,5,6].indexOf(month) > -1) {
|
|
|
// 第2季度
|
|
|
mm = "04";
|
|
|
} else if ([7,8,9].indexOf(month) > -1) {
|
|
|
// 第3季度
|
|
|
mm = "07";
|
|
|
} else if ([10,11,12].indexOf(month) > -1) {
|
|
|
// 第4季度
|
|
|
mm = "10";
|
|
|
}
|
|
|
let yyyy = date.getFullYear();
|
|
|
let startTime = date.getTime()
|
|
|
if (!getAll) {
|
|
|
const realdate = this.getDate(`${yyyy}-${mm}-01 00:00:00`, startTime)
|
|
|
startTime = this.getTimeByDateAndTimezone(realdate)
|
|
|
}
|
|
|
return startTime
|
|
|
}
|
|
|
|
|
|
/**
|
|
|
* 根据设置的年数获取指定日期N年后（前）的时间戳
|
|
|
* @param {Number} year 月数
|
|
|
* @param {Date|Time} time 指定的日期或时间戳
|
|
|
* @param {Boolean} getAll 是否获取完整时间戳，为 false 时返回指定日期初始时间戳（当天00:00:00的时间戳）
|
|
|
*/
|
|
|
getTimeBySetYear(year, time, getAll = false) {
|
|
|
const date = this.getDateObj(time)
|
|
|
date.setFullYear(date.getFullYear() + year)
|
|
|
let startTime = date.getTime()
|
|
|
if (!getAll) {
|
|
|
const realdate = this.getDate('Y-01-01 00:00:00', startTime)
|
|
|
startTime = this.getTimeByDateAndTimezone(realdate)
|
|
|
}
|
|
|
return startTime
|
|
|
}
|
|
|
|
|
|
|
|
|
/**
|
|
|
* 根据时区获取指定时间的偏移时间
|
|
|
* @param {Date|Time} 指定的日期或时间戳
|
|
|
* @param {Number} timezone 时区
|
|
|
*/
|
|
|
getTimeByDateAndTimezone(date, timezone) {
|
|
|
if (!timezone) {
|
|
|
timezone = this.timezone
|
|
|
}
|
|
|
const thisDate = this.getDateObj(date)
|
|
|
const thisTime = thisDate.getTime()
|
|
|
const offset = thisDate.getTimezoneOffset()
|
|
|
const offsetTime = offset * 60000 + timezone * 3600000
|
|
|
return thisTime - offsetTime
|
|
|
}
|
|
|
|
|
|
/**
|
|
|
* 根据指定的时间类型获取时间范围
|
|
|
* @param {String} type 时间类型 hour:小时 day:天 week:周 month：月
|
|
|
* @param {Number} offset 时间的偏移量
|
|
|
* @param {Date|Time} thistime 指定的日期或时间戳
|
|
|
* @param {Boolean} getAll 是否获取完整时间戳，为 false 时返回指定日期初始时间戳（当天00:00:00的时间戳）
|
|
|
*/
|
|
|
getTimeDimensionByType(type, offset = 0, thistime, getAll = false) {
|
|
|
let startTime = 0
|
|
|
let endTime = 0
|
|
|
switch (type) {
|
|
|
case 'hour': {
|
|
|
startTime = this.getTimeBySetHours(offset, thistime, getAll)
|
|
|
endTime = getAll ? startTime : startTime + 3599999
|
|
|
break
|
|
|
}
|
|
|
case 'day': {
|
|
|
startTime = this.getTimeBySetDays(offset, thistime, getAll)
|
|
|
endTime = getAll ? startTime : startTime + 86399999
|
|
|
break
|
|
|
}
|
|
|
case 'week': {
|
|
|
startTime = this.getTimeBySetWeek(offset, thistime, getAll)
|
|
|
endTime = getAll ? startTime + 86400000 * 6 : startTime + 86400000 * 6 + 86399999
|
|
|
break
|
|
|
}
|
|
|
case 'month': {
|
|
|
startTime = this.getTimeBySetMonth(offset, thistime, getAll)
|
|
|
const date = this.getDateObj(this.getDate('Y-m-d H:i:s', startTime))
|
|
|
const nextMonthFirstDayTime = new Date(date.getFullYear(), date.getMonth() + 1, 1).getTime()
|
|
|
endTime = getAll ? nextMonthFirstDayTime - 86400000 : this.getTimeByDateAndTimezone(
|
|
|
nextMonthFirstDayTime) - 1
|
|
|
break
|
|
|
}
|
|
|
case 'quarter': {
|
|
|
startTime = this.getTimeBySetQuarter(offset, thistime, getAll)
|
|
|
const date = this.getDateObj(this.getDate('Y-m-d H:i:s', startTime))
|
|
|
const nextMonthFirstDayTime = new Date(date.getFullYear(), date.getMonth() + 3, 1).getTime()
|
|
|
endTime = getAll ? nextMonthFirstDayTime - 86400000 : this.getTimeByDateAndTimezone(
|
|
|
nextMonthFirstDayTime) - 1
|
|
|
break
|
|
|
}
|
|
|
case 'year': {
|
|
|
startTime = this.getTimeBySetYear(offset, thistime, getAll)
|
|
|
const date = this.getDateObj(this.getDate('Y-m-d H:i:s', startTime))
|
|
|
const nextFirstDayTime = new Date(date.getFullYear() + 1, 0, 1).getTime()
|
|
|
endTime = getAll ? nextFirstDayTime - 86400000 : this.getTimeByDateAndTimezone(
|
|
|
nextFirstDayTime) - 1
|
|
|
break
|
|
|
}
|
|
|
}
|
|
|
return {
|
|
|
startTime,
|
|
|
endTime
|
|
|
}
|
|
|
}
|
|
|
}
|
