2026-09-15 19:58:23 +08:00
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/**
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* 访客统计共享格式化工具(列表/详情页复用)
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*
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* 后端时间戳已统一 timezone.localtime().isoformat()(上海时间)序列化,
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* 前端切串直显即可,不做时区换算。
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*/
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/** 国家 → 国旗 emoji(ip2region 中国 IP 为中文"中国",海外为英文名;未命中默认 🌐) */
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const COUNTRY_FLAGS: Record<string, string> = {
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中国: '🇨🇳',
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'United States': '🇺🇸',
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Japan: '🇯🇵',
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'South Korea': '🇰🇷',
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Singapore: '🇸🇬',
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'United Kingdom': '🇬🇧',
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Germany: '🇩🇪',
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France: '🇫🇷',
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Canada: '🇨🇦',
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Australia: '🇦🇺',
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Russia: '🇷🇺',
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India: '🇮🇳',
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Brazil: '🇧🇷',
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Vietnam: '🇻🇳',
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Thailand: '🇹🇭',
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Malaysia: '🇲🇾',
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Indonesia: '🇮🇩',
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Philippines: '🇵🇭',
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Netherlands: '🇳🇱',
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Italy: '🇮🇹',
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Spain: '🇪🇸',
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Turkey: '🇹🇷',
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Iran: '🇮🇷'
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}
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/** 国家名 → 国旗 emoji(空/未命中返回 🌐) */
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export const countryFlag = (country?: string | null): string =>
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(country && COUNTRY_FLAGS[country]) || '🌐'
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/** ISO 时间 → YYYY-MM-DD HH:mm(后端已是上海时间;空值显示 —) */
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export const formatDateTime = (iso?: string | null): string =>
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iso ? iso.replace('T', ' ').slice(0, 16) : '—'
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/** 毫秒 → x天x小时x分x秒(智能省略:为 0 的单位不显示;全 0 / 不足 1 秒显示 0秒) */
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export const formatStay = (ms?: number | null): string => {
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const totalSec = Math.max(0, Math.floor((ms ?? 0) / 1000))
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const days = Math.floor(totalSec / 86400)
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const hours = Math.floor((totalSec % 86400) / 3600)
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const minutes = Math.floor((totalSec % 3600) / 60)
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const seconds = totalSec % 60
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const parts: string[] = []
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if (days) parts.push(`${days}天`)
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if (hours) parts.push(`${hours}小时`)
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if (minutes) parts.push(`${minutes}分`)
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2026-09-15 21:05:52 +08:00
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// 仅当非零或无更高单位时显示秒(与下方条件表达式语义一致)
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2026-09-15 19:58:23 +08:00
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if (seconds || !parts.length) parts.push(`${seconds}秒`)
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return parts.join('')
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}
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