83 lines
No EOL
3.2 KiB
JavaScript
83 lines
No EOL
3.2 KiB
JavaScript
/**
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* @param {Number} timeStamp 判断时间戳格式是否是毫秒
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* @returns {Boolean}
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*/
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// const isMillisecond = timeStamp => {
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// const timeStr = String(timeStamp)
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// return timeStr.length > 10
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// }
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/**
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* @param {Number} timeStamp 传入的时间戳
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* @param {Number} currentTime 当前时间时间戳
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* @returns {Boolean} 传入的时间戳是否早于当前时间戳
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*/
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const isEarly = (timeStamp, currentTime) => {
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return timeStamp < currentTime;
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};
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/**
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* @param {Number} num 数值
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* @returns {String} 处理后的字符串
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* @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
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*/
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const getHandledValue = num => {
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return num < 10 ? '0' + num : num;
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};
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/**
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* @param {Number} timeStamp 传入的时间戳
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* @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
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*/
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const getDate = (timeStamp, startType) => {
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const d = new Date(timeStamp * 1000);
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const year = d.getFullYear();
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const month = getHandledValue(d.getMonth() + 1);
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const date = getHandledValue(d.getDate());
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const hours = getHandledValue(d.getHours());
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const minutes = getHandledValue(d.getMinutes());
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const second = getHandledValue(d.getSeconds());
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let resStr = '';
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if (startType === 'year') resStr = year + '-' + month + '-' + date + ' ' + hours + ':' + minutes + ':' + second;
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else resStr = month + '-' + date + ' ' + hours + ':' + minutes;
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return resStr;
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};
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/**
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* @param {String|Number} timeStamp 时间戳
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* @returns {String} 相对时间字符串
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*/
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export const getRelativeTime = timeStamp => {
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// 判断当前传入的时间戳是秒格式还是毫秒
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const IS_MILLISECOND = true;
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// 如果是毫秒格式则转为秒格式
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if (IS_MILLISECOND) Math.floor(timeStamp /= 1000);
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// 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
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timeStamp = Number(timeStamp);
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// 获取当前时间时间戳
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const currentTime = Math.floor(Date.parse(new Date()) / 1000);
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// 判断传入时间戳是否早于当前时间戳
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const IS_EARLY = isEarly(timeStamp, currentTime);
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// 获取两个时间戳差值
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let diff = currentTime - timeStamp;
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// 如果IS_EARLY为false则差值取反
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if (!IS_EARLY) diff = -diff;
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let resStr = '';
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const dirStr = IS_EARLY ? '前' : '后';
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// 少于等于59秒
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if (diff <= 59) resStr = diff + '秒' + dirStr;
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// 多于59秒，少于等于59分钟59秒
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else if (diff > 59 && diff <= 3599) resStr = Math.floor(diff / 60) + '分钟' + dirStr;
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// 多于59分钟59秒，少于等于23小时59分钟59秒
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else if (diff > 3599 && diff <= 86399) resStr = Math.floor(diff / 3600) + '小时' + dirStr;
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// 多于23小时59分钟59秒，少于等于29天59分钟59秒
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else if (diff > 86399 && diff <= 2623859) resStr = Math.floor(diff / 86400) + '天' + dirStr;
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// 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
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else if (diff > 2623859 && diff <= 31567859 && IS_EARLY) resStr = getDate(timeStamp);
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else resStr = getDate(timeStamp, 'year');
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return resStr;
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};
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export default function (timestamp) {
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return getRelativeTime(timestamp);
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} |