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+// utils/flightParser.js
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+
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+/**
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+ * 解析航班代码
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+ * @param {string} code - 航班代码字符串
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+ * @returns {object} 解析后的航班信息
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+ */
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+export function parseFlightCode(code) {
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+ if (!code || typeof code !== 'string') {
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+ return { error: '输入无效，请提供有效的航班代码字符串' }
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+ }
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+
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+ let codeStr = code.trim()
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+
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+ // 去除开头的序号（如 "1."、"2."、"3."、"4." 等）
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+ codeStr = codeStr.replace(/^\d+\./, '')
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+
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+ if (codeStr.length === 0) {
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+ return { error: '航班代码不能为空' }
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+ }
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+
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+ // 按空格分割
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+ const parts = codeStr.trim().split(/\s+/)
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+
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+ // 根据字段数量判断格式
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+ if (parts.length === 9) {
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+ // 格式: 航班号 操作码+日期 航线 起飞时间 到达时间 预订码 航站楼 机型 时长
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+ // 例如: CA878 SA31MAY CPHPEK 1905 1000+1 3 T3 359 08H55M
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+ return parseFormat9(parts)
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+ } else if (parts.length === 10) {
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+ // 格式: 航班号 操作码+日期 航线 起飞时间 到达时间 预订码 航站楼 机型 时长（某些格式预订码和航站楼位置不同）
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+ return parseFormat10(parts)
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+ } else if (parts.length === 11) {
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+ // 格式: 航班号 操作码+日期 航线 起飞时间 到达时间 航站楼 预订码 机型 时长
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+ // 例如: CA431 TU27MAY TFUFRA 0135 0645 T1 1 359 11H10M
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+ return parseFormat11(parts)
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+ } else {
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+ return {
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+ error: '航班代码格式错误，字段数量不正确',
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+ expected: '9、10或11个字段',
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+ received: parts.length + '个字段',
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+ parts: parts
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+ }
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+ }
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+}
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+
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+/**
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+ * 解析9字段格式（最常用）
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+ * CA878 SA31MAY CPHPEK 1905 1000+1 3 T3 359 08H55M
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+ */
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+function parseFormat9(parts) {
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+ const [flightNumber, actionDate, route, departureTime, arrivalTimeRaw, bookingCode, terminal, aircraft, duration] = parts
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+
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+ // 提取操作码和日期
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+ const actionCode = actionDate.slice(0, 2)
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+ const dateStr = actionDate.slice(2)
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+
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+ const origin = route.slice(0, 3)
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+ const destination = route.slice(3)
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+
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+ // 处理到达时间中的 +1（跨天）
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+ let arrivalTime = arrivalTimeRaw
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+ let plusDays = 0
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+ if (arrivalTimeRaw && arrivalTimeRaw.includes('+')) {
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+ const [time, days] = arrivalTimeRaw.split('+')
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+ arrivalTime = time
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+ plusDays = parseInt(days)
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+ }
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+
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+ return buildFlightInfo({
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+ flightNumber, actionCode, dateStr, origin, destination,
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+ departureTime, arrivalTime, terminal, bookingCode, aircraft, duration,
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+ plusDays
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+ })
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+}
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+
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+/**
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+ * 解析10字段格式
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+ */
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+function parseFormat10(parts) {
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+ // 尝试两种可能的顺序
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+ // 顺序1: 航班号 操作码+日期 航线 起飞 到达 预订码 航站楼 机型 时长
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+ // 顺序2: 航班号 操作码+日期 航线 起飞 到达 航站楼 预订码 机型 时长
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+ const [flightNumber, actionDate, route, departureTime, arrivalTimeRaw, code1, code2, aircraft, duration] = parts
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+
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+ // 判断哪个是航站楼（通常T开头）哪个是预订码（数字）
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+ let terminal, bookingCode
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+ if (code1.startsWith('T')) {
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+ terminal = code1
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+ bookingCode = code2
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+ } else if (code2.startsWith('T')) {
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+ terminal = code2
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+ bookingCode = code1
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+ } else {
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+ // 默认顺序
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+ bookingCode = code1
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+ terminal = code2
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+ }
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+
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+ const actionCode = actionDate.slice(0, 2)
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+ const dateStr = actionDate.slice(2)
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+ const origin = route.slice(0, 3)
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+ const destination = route.slice(3)
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+
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+ let arrivalTime = arrivalTimeRaw
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+ let plusDays = 0
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+ if (arrivalTimeRaw && arrivalTimeRaw.includes('+')) {
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+ const [time, days] = arrivalTimeRaw.split('+')
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+ arrivalTime = time
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+ plusDays = parseInt(days)
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+ }
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+
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+ return buildFlightInfo({
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+ flightNumber, actionCode, dateStr, origin, destination,
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+ departureTime, arrivalTime, terminal, bookingCode, aircraft, duration,
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+ plusDays
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+ })
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+}
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+
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+/**
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+ * 解析11字段格式
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+ * CA431 TU27MAY TFUFRA 0135 0645 T1 1 359 11H10M
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+ */
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+function parseFormat11(parts) {
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+ const [flightNumber, actionDate, route, departureTime, arrivalTime, terminal, bookingCode, aircraft, duration] = parts
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+
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+ const actionCode = actionDate.slice(0, 2)
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+ const dateStr = actionDate.slice(2)
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+ const origin = route.slice(0, 3)
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+ const destination = route.slice(3)
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+
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+ return buildFlightInfo({
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+ flightNumber, actionCode, dateStr, origin, destination,
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+ departureTime, arrivalTime, terminal, bookingCode, aircraft, duration
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+ })
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+}
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+
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+/**
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+ * 构建航班信息对象
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+ */
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+function buildFlightInfo(params) {
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+ const {
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+ flightNumber, actionCode, dateStr, origin, destination,
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+ departureTime, arrivalTime, terminal, bookingCode, aircraft, duration,
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+ plusDays = 0
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+ } = params
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+
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+ // 解析日期
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+ const day = parseInt(dateStr.slice(0, 2))
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+ const monthStr = dateStr.slice(2)
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+ const months = {
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+ 'JAN': 0, 'FEB': 1, 'MAR': 2, 'APR': 3, 'MAY': 4, 'JUN': 5,
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+ 'JUL': 6, 'AUG': 7, 'SEP': 8, 'OCT': 9, 'NOV': 10, 'DEC': 11
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+ }
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+ const month = months[monthStr]
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+
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+ if (month === undefined) {
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+ return { error: '无效的月份格式: ' + monthStr }
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+ }
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+
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+ // 计算年份
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+ const now = new Date()
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+ let year = now.getFullYear()
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+ if (now.getMonth() > month) {
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+ year++
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+ }
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+
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+ // 解析时间
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+ const depHour = parseInt(departureTime.slice(0, 2))
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+ const depMinute = parseInt(departureTime.slice(2))
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+ const arrHour = parseInt(arrivalTime.slice(0, 2))
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+ const arrMinute = parseInt(arrivalTime.slice(2))
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+
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+ // 创建日期对象
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+ const departureDate = new Date(year, month, day, depHour, depMinute)
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+ let arrivalDate = new Date(year, month, day, arrHour, arrMinute)
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+
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+ // 处理跨天
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+ let isOvernight = false
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+ if (plusDays > 0) {
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+ arrivalDate = new Date(year, month, day + plusDays, arrHour, arrMinute)
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+ isOvernight = true
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+ } else if (arrivalDate < departureDate) {
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+ arrivalDate = new Date(year, month, day + 1, arrHour, arrMinute)
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+ isOvernight = true
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+ }
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+
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+ // 解析时长
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+ const durationHours = parseInt(duration.slice(0, 2))
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+ const durationMinutes = parseInt(duration.slice(3, 5))
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+
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+ // 返回解析结果
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+ return {
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+ success: true,
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+ flightNumber: flightNumber,
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+ actionCode: actionCode,
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+ date: {
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+ original: dateStr,
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+ day: day,
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+ month: monthStr,
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+ monthNumber: month + 1,
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+ year: year
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+ },
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+ origin: origin,
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+ originName: getAirportName(origin),
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+ destination: destination,
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+ destinationName: getAirportName(destination),
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+ departureTime: {
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+ original: departureTime,
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+ hour: depHour,
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+ minute: depMinute,
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+ formatted: formatTime(depHour, depMinute)
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+ },
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+ arrivalTime: {
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+ original: arrivalTime,
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+ hour: arrHour,
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+ minute: arrMinute,
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+ formatted: formatTime(arrHour, arrMinute)
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+ },
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+ terminal: terminal,
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+ bookingCode: parseInt(bookingCode),
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+ aircraft: aircraft,
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+ aircraftName: getAircraftName(aircraft),
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+ duration: {
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+ original: duration,
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+ hours: durationHours,
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+ minutes: durationMinutes,
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+ formatted: durationHours + '小时' + durationMinutes + '分钟',
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+ totalMinutes: durationHours * 60 + durationMinutes
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+ },
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+ isOvernight: isOvernight,
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+ plusDays: plusDays,
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+ fullDateTime: {
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+ departure: departureDate,
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+ arrival: arrivalDate
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+ }
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+ }
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+}
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+
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+/**
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+ * 格式化时间
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+ */
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+function formatTime(hour, minute) {
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+ return hour.toString().padStart(2, '0') + ':' + minute.toString().padStart(2, '0')
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+}
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+
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+/**
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+ * 获取机型名称
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+ */
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+function getAircraftName(code) {
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+ var aircraftMap = {
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+ '359': '空客A350-900',
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+ '321': '空客A321',
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+ '32A': '空客A320 (鲨鳍小翼)',
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+ '738': '波音737-800',
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+ '789': '波音787-9',
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+ '77W': '波音777-300ER',
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+ '333': '空客A330-300',
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+ '332': '空客A330-200',
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+ '320': '空客A320'
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+ }
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+ return aircraftMap[code] || code
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+}
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+
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+/**
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+ * 获取机场名称
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+ */
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+function getAirportName(code) {
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+ var airportMap = {
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+ 'TFU': '成都天府',
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+ 'FRA': '法兰克福',
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+ 'MUC': '慕尼黑',
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+ 'CPH': '哥本哈根',
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+ 'PEK': '北京首都',
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+ 'PVG': '上海浦东',
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+ 'CAN': '广州白云',
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+ 'CTU': '成都双流'
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+ }
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+ return airportMap[code] || code
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+}
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+
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+/**
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+ * 验证航班代码格式
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+ */
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+export function validateFlightCode(code) {
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+ if (!code || typeof code !== 'string') return false
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+ var cleanCode = code.trim().replace(/^\d+\./, '')
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+ var parts = cleanCode.split(/\s+/)
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+ return parts.length === 9 || parts.length === 10 || parts.length === 11
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+}
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