NGTools/uniCloud-aliyun/cloudfunctions/common/uni-stat/stat/lib/date.js

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/**
* @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 '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 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 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 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 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 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 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: week: month
* @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 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
}
}
}