41 lines
1.4 KiB
JavaScript
41 lines
1.4 KiB
JavaScript
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/**
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* 将时间字符串转换为毫秒（number）
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* 00:00:03.867 --》3867
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* @param {*} timeString 时间字符串
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* @returns
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*/
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export function TimeStringToMilliseconds(timeString) {
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// 分割字符串获取小时、分钟、秒和毫秒
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const parts = timeString.split(/[:.]/)
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const hours = parseInt(parts[0], 10)
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const minutes = parseInt(parts[1], 10)
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const seconds = parseInt(parts[2], 10)
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const milliseconds = parseInt(parts[3], 10)
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// 将小时、分钟、秒转换为毫秒并计算总和
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return hours * 3600000 + minutes * 60000 + seconds * 1000 + milliseconds
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}
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/**
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* 将毫秒转换为时间字符串
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* 85233 --》 '00:01:25.233'
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* @param {*} milliseconds
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* @returns
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*/
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export function MillisecondsToTimeString(milliseconds) {
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let totalSeconds = milliseconds / 1000
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const hours = Math.floor(totalSeconds / 3600)
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totalSeconds %= 3600
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const minutes = Math.floor(totalSeconds / 60)
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const seconds = Math.floor(totalSeconds % 60)
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const ms = milliseconds % 1000
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// 将小时、分钟、秒格式化为两位数，毫秒格式化为三位数
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const hoursFormatted = hours.toString().padStart(2, '0')
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const minutesFormatted = minutes.toString().padStart(2, '0')
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const secondsFormatted = seconds.toString().padStart(2, '0')
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const msFormatted = ms.toString().padStart(3, '0')
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return `${hoursFormatted}:${minutesFormatted}:${secondsFormatted}.${msFormatted}`
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}
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