74 lines
2.3 KiB
TypeScript
74 lines
2.3 KiB
TypeScript
/**
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* 将用户粘贴的中文日期时间（如「2026年6月22日12时18分」）解析为系统标准格式。
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*/
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export type ChineseDatetimeFormat = 'date' | 'datetime' | 'datetime-minute'
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/** 将日期时间规范为 `YYYY-MM-DD HH:mm`（去掉秒，兼容历史带秒数据） */
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export function formatDatetimeToMinute(val: string): string {
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const s = String(val || '').trim()
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if (!s) return ''
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const parsed = parseChineseDatetimeText(s, 'datetime-minute')
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return parsed || s
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}
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export function parseChineseDatetimeText(
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text: string,
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format: ChineseDatetimeFormat
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): string | null {
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const raw = text.trim()
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if (!raw) return null
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if (/^\d{4}-\d{2}-\d{2}$/.test(raw)) {
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return raw
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}
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if (/^\d{4}-\d{2}-\d{2}[ T]\d{2}:\d{2}(:\d{2})?$/.test(raw)) {
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const normalized = raw.replace('T', ' ')
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if (format === 'date') return normalized.slice(0, 10)
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const parts = normalized.split(' ')
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const time = parts[1] || '00:00:00'
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const timeParts = time.split(':')
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const hh = timeParts[0]?.padStart(2, '0') ?? '00'
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const mm = timeParts[1]?.padStart(2, '0') ?? '00'
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if (format === 'datetime-minute') {
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return `${parts[0]} ${hh}:${mm}`
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}
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const ss = timeParts[2]?.padStart(2, '0') ?? '00'
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return `${parts[0]} ${hh}:${mm}:${ss}`
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}
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const cnMatch = raw.match(
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/^(\d{4})年(\d{1,2})月(\d{1,2})日(?:\s*(\d{1,2})[时点:：](\d{1,2})(?:[分:：](\d{1,2})[秒]?)?)?/
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)
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if (!cnMatch) return null
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const y = cnMatch[1]
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const mo = String(Number(cnMatch[2])).padStart(2, '0')
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const d = String(Number(cnMatch[3])).padStart(2, '0')
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const dateStr = `${y}-${mo}-${d}`
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if (format === 'date') return dateStr
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const h = String(Number(cnMatch[4] || 0)).padStart(2, '0')
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const mi = String(Number(cnMatch[5] || 0)).padStart(2, '0')
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if (format === 'datetime-minute') {
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return `${dateStr} ${h}:${mi}`
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}
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const s = String(Number(cnMatch[6] || 0)).padStart(2, '0')
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return `${dateStr} ${h}:${mi}:${s}`
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}
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export function handleChineseDatetimePaste(
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e: ClipboardEvent,
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format: ChineseDatetimeFormat,
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setter: (val: string) => void
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) {
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const text = e.clipboardData?.getData('text')?.trim()
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if (!text) return
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const parsed = parseChineseDatetimeText(text, format)
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if (!parsed) return
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e.preventDefault()
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e.stopPropagation()
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setter(parsed)
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}
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