56 lines
1.8 KiB
TypeScript
56 lines
1.8 KiB
TypeScript
// 金额 / 时间格式化工具
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function pad(n: number): string {
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return n < 10 ? `0${n}` : `${n}`
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}
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// 金额（分）转「¥xx.xx」字符串
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export function fenToYuan(fen: number | null | undefined): string {
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if (fen === null || fen === undefined || isNaN(fen)) return '¥0.00'
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return `¥${(fen / 100).toFixed(2)}`
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}
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// 秒级时间戳转 YYYY-MM-DD
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export function formatDate(seconds: number | null | undefined): string {
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if (!seconds) return ''
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const d = new Date(seconds * 1000)
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return `${d.getFullYear()}-${pad(d.getMonth() + 1)}-${pad(d.getDate())}`
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}
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// 秒级时间戳转 YYYY-MM-DD HH:mm
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export function formatDateTime(seconds: number | null | undefined): string {
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if (!seconds) return ''
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const d = new Date(seconds * 1000)
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return `${formatDate(seconds)} ${pad(d.getHours())}:${pad(d.getMinutes())}`
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}
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// 相对时间：刚刚 / x分钟前 / x小时前 / 今天 / YYYY-MM-DD
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export function formatRelativeTime(seconds: number | null | undefined): string {
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if (!seconds) return ''
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const now = Math.floor(Date.now() / 1000)
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const diff = now - seconds
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if (diff < 0) return formatDate(seconds)
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if (diff < 60) return '刚刚'
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if (diff < 3600) return `${Math.floor(diff / 60)} 分钟前`
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const d = new Date(seconds * 1000)
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const today = new Date()
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const isToday =
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d.getFullYear() === today.getFullYear() &&
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d.getMonth() === today.getMonth() &&
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d.getDate() === today.getDate()
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if (diff < 86400) {
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return isToday ? '今天' : `${Math.floor(diff / 3600)} 小时前`
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}
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return formatDate(seconds)
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}
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// 支付倒计时（秒）转 mm:ss
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export function formatCountdown(totalSeconds: number): string {
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if (totalSeconds <= 0) return '00:00'
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const m = Math.floor(totalSeconds / 60)
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const s = Math.floor(totalSeconds % 60)
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return `${pad(m)}:${pad(s)}`
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}
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