2025-07-30 17:45:41 +08:00

120 lines
2.8 KiB
JavaScript

/**
* 格式化日期
* @param time 日期
* @param format 格式默认 yyyy-MM-dd HH:mm:ss
*/
export function dateFormat(time, format) {
if (!time) {
return ''
}
if (!format) {
format = 'yyyy-MM-dd HH:mm:ss'
}
if (typeof time === 'string') {
time = time.replace(/-/g, '/')
}
if (/^\d+$/.test(time)) {
time = Number(time)
}
const date = new Date(time)
var tf = function(i) {
return (i < 10 ? '0' : '') + i
}
return format.replace(/yyyy|MM|dd|HH|mm|ss/g, function(a) {
switch (a) {
case 'yyyy':
return tf(date.getFullYear())
case 'MM':
return tf(date.getMonth() + 1)
case 'mm':
return tf(date.getMinutes())
case 'dd':
return tf(date.getDate())
case 'HH':
return tf(date.getHours())
case 'ss':
return tf(date.getSeconds())
}
})
}
export function parseTime(time, cFormat) {
if (arguments.length === 0) {
return null
}
if ((time + '').length === 10) {
time = +time * 1000
}
const format = cFormat || '{y}-{m}-{d} {h}:{i}:{s}'
let date
if (typeof time === 'object') {
date = time
} else {
date = new Date(parseInt(time))
}
const formatObj = {
y: date.getFullYear(),
m: date.getMonth() + 1,
d: date.getDate(),
h: date.getHours(),
i: date.getMinutes(),
s: date.getSeconds(),
a: date.getDay()
}
const time_str = format.replace(/{(y|m|d|h|i|s|a)+}/g, (result, key) => {
let value = formatObj[key]
if (key === 'a') return ['一', '二', '三', '四', '五', '六', '日'][value - 1]
if (result.length > 0 && value < 10) {
value = '0' + value
}
return value || 0
})
return time_str
}
export function formatTime(time, option) {
if (typeof time === 'string') {
time = time.replace(/-/g, '/')
}
const d = new Date(time)
const now = Date.now()
const diff = (now - d) / 1000
if (diff < 30) {
return '刚刚'
} else if (diff < 3600) { // less 1 hour
return Math.ceil(diff / 60) + '分钟前'
} else if (diff < 3600 * 24) {
return Math.ceil(diff / 3600) + '小时前'
} else if (diff < 3600 * 24 * 2) {
return '1天前'
}
if (option) {
return parseTime(time, option)
} else {
return d.getMonth() + 1 + '月' + d.getDate() + '日' + d.getHours() + '时' + d.getMinutes() + '分'
}
}
/* 数字 格式化 */
export function nFormatter(num, digits) {
const si = [
{ value: 1E18, symbol: 'E' },
{ value: 1E15, symbol: 'P' },
{ value: 1E12, symbol: 'T' },
{ value: 1E9, symbol: 'G' },
{ value: 1E6, symbol: 'M' },
{ value: 1E3, symbol: 'k' }
]
for (let i = 0; i < si.length; i++) {
if (num >= si[i].value) {
return (num / si[i].value + 0.1).toFixed(digits).replace(/\.0+$|(\.[0-9]*[1-9])0+$/, '$1') + si[i].symbol
}
}
return num.toString()
}