54 lines
1.9 KiB
TypeScript
54 lines
1.9 KiB
TypeScript
/**
|
||
* 将时间字符串转换为毫秒（number）
|
||
* 00:00:03.867 --》3867
|
||
* @param {*} timeString 时间字符串
|
||
* @returns
|
||
*/
|
||
export function TimeStringToMilliseconds(timeString) {
|
||
// 分割字符串获取小时、分钟、秒和毫秒
|
||
const parts = timeString.split(/[:.]/)
|
||
const hours = parseInt(parts[0], 10)
|
||
const minutes = parseInt(parts[1], 10)
|
||
const seconds = parseInt(parts[2], 10)
|
||
const milliseconds = parseInt(parts[3], 10)
|
||
|
||
// 将小时、分钟、秒转换为毫秒并计算总和
|
||
return hours * 3600000 + minutes * 60000 + seconds * 1000 + milliseconds
|
||
}
|
||
|
||
/**
|
||
* 将毫秒转换为时间字符串
|
||
* 85233 --》 '00:01:25.233'
|
||
* @param {*} milliseconds
|
||
* @returns
|
||
*/
|
||
export function MillisecondsToTimeString(milliseconds) {
|
||
let totalSeconds = milliseconds / 1000
|
||
const hours = Math.floor(totalSeconds / 3600)
|
||
totalSeconds %= 3600
|
||
const minutes = Math.floor(totalSeconds / 60)
|
||
const seconds = Math.floor(totalSeconds % 60)
|
||
const ms = milliseconds % 1000
|
||
|
||
// 将小时、分钟、秒格式化为两位数，毫秒格式化为三位数
|
||
const hoursFormatted = hours.toString().padStart(2, '0')
|
||
const minutesFormatted = minutes.toString().padStart(2, '0')
|
||
const secondsFormatted = seconds.toString().padStart(2, '0')
|
||
const msFormatted = ms.toString().padStart(3, '0')
|
||
|
||
let timeString = `${hoursFormatted}:${minutesFormatted}:${secondsFormatted}.${msFormatted}`
|
||
|
||
// 使用正则表达式检测并删除多余的小数点
|
||
// 此正则表达式查找除了第一个小数点之外的所有小数点，并将它们替换为空字符串
|
||
timeString = timeString.replace(/(\.\d+)\./g, '$1')
|
||
return timeString
|
||
}
|
||
|
||
/**
|
||
* 延时多少秒，返回一个Promise
|
||
* @param time 延时时间，单位毫秒
|
||
* @returns viod
|
||
*/
|
||
export async function TimeDelay(time: number): Promise<void> {
|
||
return new Promise(resolve => setTimeout(resolve, time));
|
||
} |