luoyang-uniapp-app/uni_modules/uview-ui/components/u-count-down/utils.js

// 补0，如1 -> 01
function padZero(num, targetLength = 2) {
    let str = `${num}`
    while (str.length < targetLength) {
        str = `0${str}`
    }
    return str
}
const SECOND = 1000
const MINUTE = 60 * SECOND
const HOUR = 60 * MINUTE
const DAY = 24 * HOUR
export function parseTimeData(time) {
    const days = Math.floor(time / DAY)
    const hours = Math.floor((time % DAY) / HOUR)
    const minutes = Math.floor((time % HOUR) / MINUTE)
    const seconds = Math.floor((time % MINUTE) / SECOND)
    const milliseconds = Math.floor(time % SECOND)
    return {
        days,
        hours,
        minutes,
        seconds,
        milliseconds
    }
}
export function parseFormat(format, timeData) {
    let {
        days,
        hours,
        minutes,
        seconds,
        milliseconds
    } = timeData
    // 如果格式化字符串中不存在DD(天)，则将天的时间转为小时中去
    if (format.indexOf('DD') === -1) {
        hours += days * 24
    } else {
        // 对天补0
        format = format.replace('DD', padZero(days))
    }
    // 其他同理于DD的格式化处理方式
    if (format.indexOf('HH') === -1) {
        minutes += hours * 60
    } else {
        format = format.replace('HH', padZero(hours))
    }
    if (format.indexOf('mm') === -1) {
        seconds += minutes * 60
    } else {
        format = format.replace('mm', padZero(minutes))
    }
    if (format.indexOf('ss') === -1) {
        milliseconds += seconds * 1000
    } else {
        format = format.replace('ss', padZero(seconds))
    }
    return format.replace('SSS', padZero(milliseconds, 3))
}
export function isSameSecond(time1, time2) {
    return Math.floor(time1 / 1000) === Math.floor(time2 / 1000)
}