time.js
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/**
* @param {Number} timeStamp 判断时间戳格式是否是毫秒
* @returns {Boolean}
*/
// const isMillisecond = timeStamp => {
// const timeStr = String(timeStamp)
// return timeStr.length > 10
// }
/**
* @param {Number} timeStamp 传入的时间戳
* @param {Number} currentTime 当前时间时间戳
* @returns {Boolean} 传入的时间戳是否早于当前时间戳
*/
const isEarly = (timeStamp, currentTime) => {
return timeStamp <= currentTime;
};
/**
* @param {Number} num 数值
* @returns {String} 处理后的字符串
* @description 如果传入的数值小于10，即位数只有1位，则在前面补充0
*/
const getHandledValue = num => {
return num < 10 ? '0' + num : num;
};
/**
* @param {Number} timeStamp 传入的时间戳
* @param {Number} startType 要返回的时间字符串的格式类型，传入'year'则返回年开头的完整时间
*/
const getDate = (timeStamp, startType) => {
const d = new Date(timeStamp);
const year = d.getFullYear();
const month = getHandledValue(d.getMonth() + 1);
const date = getHandledValue(d.getDate());
const hours = getHandledValue(d.getHours());
const minutes = getHandledValue(d.getMinutes());
const second = getHandledValue(d.getSeconds());
let resStr = '';
if (startType === 'year') resStr = year + '-' + month + '-' + date + ' ' + hours + ':' + minutes + ':' + second;
else resStr = month + '-' + date + ' ' + hours + ':' + minutes;
return resStr;
};
/**
* @param {String|Number} timeStamp 时间戳
* @returns {String} 相对时间字符串
*/
export const getRelativeTime = (timeStamp, locale) => {
// 判断当前传入的时间戳是秒格式还是毫秒
// const IS_MILLISECOND = true;
// 如果是毫秒格式则转为秒格式
// if (IS_MILLISECOND) Math.floor(timeStamp /= 1000);
// 传入的时间戳可以是数值或字符串类型，这里统一转为数值类型
// timeStamp = Number(timeStamp);
// 获取当前时间时间戳
// const currentTime = Math.floor(Date.parse(new Date()) / 1000);
const currentTime = (new Date()).getTime();
// 判断传入时间戳是否早于当前时间戳
const IS_EARLY = isEarly(timeStamp, currentTime);
// 获取两个时间戳差值
let diff = currentTime - timeStamp;
// 如果IS_EARLY为false则差值取反
if (!IS_EARLY) diff = -diff;
let resStr = '';
let dirStr = IS_EARLY ? (locale('i.time.before') || '前') : (locale('i.time.after') || '后');
if (diff < 1000) resStr = locale('i.time.just') || '刚刚';
// 少于等于59秒
else if (diff < 60000) resStr = parseInt(diff / 1000) + (locale('i.time.seconds') || '秒') + dirStr;
// 多于59秒，少于等于59分钟59秒
else if (diff >= 60000 && diff < 3600000) resStr = Math.floor(diff / 60000) + (locale('i.time.minutes') || '分钟') + dirStr;
// 多于59分钟59秒，少于等于23小时59分钟59秒
else if (diff >= 3600000 && diff < 86400000) resStr = Math.floor(diff / 3600000) + (locale('i.time.hours') || '小时') + dirStr;
// 多于23小时59分钟59秒，少于等于29天59分钟59秒
else if (diff >= 86400000 && diff < 2623860000) resStr = Math.floor(diff / 86400000) + (locale('i.time.days') || '天') + dirStr;
// 多于29天59分钟59秒，少于364天23小时59分钟59秒，且传入的时间戳早于当前
else if (diff >= 2623860000 && diff <= 31567860000 && IS_EARLY) resStr = getDate(timeStamp);
else resStr = getDate(timeStamp, 'year');
return resStr;
};
export default function (timestamp, locale) {
return getRelativeTime(timestamp, locale);
}