代码语言：javascript复制
root.js
export default {
// 数字不满10补0
addZero (str) {
let num
str >= 10 ? num = str : num = `0${str}`
return num
}
}date.js
代码语言：javascript复制
import root from './root'
const DAY_TIME = 86400000 // 一天的时间
const dateShift = (time) => new Date(new Date().getTime() - time * DAY_TIME) // 控制时间在多少天前/后
const monthDayShift = (monthNum, dayNum) => new Date(
new Date(
new Date().setMonth(
new Date().getMonth() - monthNum
)
).setDate(dayNum)
) // 控制月/日
const yesterdayTime = dateShift(1) // 昨天
const beforeYesterdayTime = dateShift(2) // 前天
const beforeSevenDays = dateShift(7) // 七天前
const beforeThirtyDays = dateShift(30) // 三十天前
const tomorrowTime = dateShift(-1) // 昨天
const afterTomorrowTime = dateShift(-2) // 前天
const afterSevenDay = dateShift(-7) // 七天前
const afterThirtyDays = dateShift(-30) // 三十天前
const beforeWeekFirstDay = monthDayShift(0, new Date().getDate() - (new Date().getDay() || 7) - 6) // 上周第一天
const thisWeekFirstDay = monthDayShift(0, new Date().getDate() - (new Date().getDay() || 7) 1) // 本周第一天
const afterWeekFirstDay = monthDayShift(0, new Date().getDate() - (new Date().getDay() || 7) 8) // 下周第一天
const beforeWeekLastDay = monthDayShift(0, new Date().getDate() - (new Date().getDay() || 7)) // 上周最后一天
const thisWeekLastDay = monthDayShift(0, new Date().getDate() - (new Date().getDay() || 7) 7) // 本周最后一天
const afterWeekLastDay = monthDayShift(0, new Date().getDate() - (new Date().getDay() || 7) 14) // 下周最后一天
const beforeHalfYearFirstDay = monthDayShift(6, 1) // 前半年的第一天
const beforeThirdMonthFirstDay = monthDayShift(3, 1) // 前三个月的第一天
const beforeTwoMonthFirstDay = monthDayShift(2, 1) // 前两个月的第一天
const beforeMonthFirstDay = monthDayShift(1, 1) // 上月的第一天
const thisMonthFirstDay = monthDayShift(0, 1) // 本月月的第一天
const afterMonthFirstDay = monthDayShift(-1, 1) // 下个月的第一天
const beforeHalfYearLastDay = monthDayShift(5, 0) // 半年前的最后一天
const beforeThirdMonthLastDay = monthDayShift(2, 0) // 上三个月的最后一天
const beforeTwoMonthLastDay = monthDayShift(1, 0) // 上两个月的最后一天
const beforeMonthLastDay = monthDayShift(0, 0) // 上月的最后一天
const thisMonthLastDay = monthDayShift(-1, 0) // 本月的最后一天
const afterMonthLastDay = monthDayShift(-2, 0) // 下个月的最后一天
const dateUtils = {
timeFun ({
date = new Date(),
ymr = false, // 无符号年月日
ymrSign = false, // 有符号年月日
time = false, // 无符号时分秒
timeSign = false, // 有符号时分秒
allTime = false, // 年月日时分秒
allTimeSign = true, // 有符号年月日时分秒
allTimeWeek = false, // 有符号年月日时分秒、星期
dateSigns = '-', // 年月日符号
timeSigns = ':', // 时分秒符号
timeFormat = false // 时间格式化
}) {
const year = date.getFullYear().toString()
// const month = date.getMonth() 1
// const todayDate = date.getDate()
//
// const hours = timeFormat ? date.setHours(0) : date.getHours()
// const minutes = timeFormat ? date.setMinutes(0) : date.getMinutes()
// const seconds = timeFormat ? date.setSeconds(0) : date.getSeconds()
// const milliseconds = timeFormat ? date.setMilliseconds(0) : date.getMilliseconds()
const week = date.getDay()
const addZeroMonth = root.addZero(date.getMonth() 1)
const addZeroDate = root.addZero(date.getDate()).toString()
const addZeroHours = root.addZero(date.getHours()).toString()
const addZeroMinutes = root.addZero(date.getMinutes()).toString()
const addZeroSeconds = root.addZero(date.getSeconds()).toString()
const dateStr = year addZeroMonth addZeroDate
const timeStr = addZeroHours addZeroMinutes addZeroSeconds
const dateHaveSign = year dateSigns addZeroMonth dateSigns addZeroDate
const timeHaveSign = addZeroHours timeSigns addZeroMinutes timeSigns addZeroSeconds
if (ymr) return dateStr
if (ymrSign) return dateHaveSign
if (time) return timeStr
if (timeSign) return timeHaveSign
if (allTime) return dateStr timeStr
if (allTimeWeek) return dateHaveSign ' ' timeHaveSign ' ' this.weekStr(week)
if (allTimeSign) return dateHaveSign ' ' timeHaveSign
},
beforeWeekFirst (params) { // 上周第一天
return this.timeFun({date: beforeWeekFirstDay, ...params})
},
thisWeekFirst (params) { // 这周第一天
return this.timeFun({date: thisWeekFirstDay, ...params})
},
afterWeekFirst (params) { // 下周第一天
return this.timeFun({date: afterWeekFirstDay, ...params})
},
beforeWeekLast (params) { // 上周最后一天
return this.timeFun({date: beforeWeekLastDay, ...params})
},
thisWeekLast (params) { // 这周最后一天
return this.timeFun({date: thisWeekLastDay, ...params})
},
afterWeekLast (params) { // 下周最后一天
return this.timeFun({date: afterWeekLastDay, ...params})
},
beforeHalfYearFirst (params) { // 半年前第一天
return this.timeFun({date: beforeHalfYearFirstDay, ...params})
},
beforeThirdMonthFirst (params) { // 三个月前第一天
return this.timeFun({date: beforeThirdMonthFirstDay, ...params})
},
beforeTwoMonthFirst (params) { // 两个月前第一天
return this.timeFun({date: beforeTwoMonthFirstDay, ...params})
},
beforeMonthFirst (params) { // 一个月前第一天
return this.timeFun({date: beforeMonthFirstDay, ...params})
},
thisMonthFirst (params) { // 本月第一天
return this.timeFun({date: thisMonthFirstDay, ...params})
},
afterMonthFirst (params) { // 下个月第一天
return this.timeFun({date: afterMonthFirstDay, ...params})
},
beforeHalfYearLast (params) { // 半年前最后一天
return this.timeFun({date: beforeHalfYearLastDay, ...params})
},
beforeThirdMonthLast (params) { // 三个月前最后一天
return this.timeFun({date: beforeThirdMonthLastDay, ...params})
},
beforeTwoMonthLast (params) { // 两个月前最后一天
return this.timeFun({date: beforeTwoMonthLastDay, ...params})
},
beforeMonthLast (params) { // 一个月前最后一天
return this.timeFun({date: beforeMonthLastDay, ...params})
},
thisMonthLast (params) { // 本月最后一天
return this.timeFun({date: thisMonthLastDay, ...params})
},
afterMonthLast (params) { // 下个月最后一天
return this.timeFun({date: afterMonthLastDay, ...params})
},
tomorrow (params) { // 明天
return this.timeFun({date: tomorrowTime, ...params})
},
afterTomorrow (params) { // 后天
return this.timeFun({date: afterTomorrowTime, ...params})
},
afterSeven (params) { // 七天后
return this.timeFun({date: afterSevenDay, ...params})
},
afterThirty (params) { // 三十天后
return this.timeFun({date: afterThirtyDays, ...params})
},
yesterday (params) { // 昨天
return this.timeFun({date: yesterdayTime, ...params})
},
beforeYesterday (params) { // 前天
return this.timeFun({date: beforeYesterdayTime, ...params})
},
beforeSeven (params) { // 七天前
return this.timeFun({date: beforeSevenDays, ...params})
},
beforeThirty (params) { // 三十天前
return this.timeFun({date: beforeThirtyDays, ...params})
},
weekStr (week, weekText = '星期') { // 星期转换
if (week === 0) week = weekText '日'
if (week === 1) week = weekText '一'
if (week === 2) week = weekText '二'
if (week === 3) week = weekText '三'
if (week === 4) week = weekText '四'
if (week === 5) week = weekText '五'
if (week === 6) week = weekText '六'
return week
},
}
export {dateUtils}
