first commit

2026-03-05 09:08:21 +08:00
commit 0a61c4ddec
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+/**
+ * 早安电台 — 通用工具函数
+ */
+
+/**
+ * 秒数格式化为 mm:ss
+ * @param {number} seconds - 总秒数
+ * @returns {string} - 如 "01:30"
+ */
+function formatTime(seconds) {
+    seconds = Math.floor(seconds || 0)
+    var min = Math.floor(seconds / 60)
+    var sec = seconds % 60
+    return padZero(min) + ':' + padZero(sec)
+}
+
+/**
+ * 补零
+ */
+function padZero(num) {
+    return num < 10 ? '0' + num : '' + num
+}
+
+/**
+ * 日期格式化
+ * @param {Date|string} date
+ * @param {string} [format='YYYY-MM-DD']
+ * @returns {string}
+ */
+function formatDate(date, format) {
+    if (typeof date === 'string') {
+        date = new Date(date.replace(/-/g, '/'))
+    }
+    format = format || 'YYYY-MM-DD'
+
+    var year = date.getFullYear()
+    var month = padZero(date.getMonth() + 1)
+    var day = padZero(date.getDate())
+
+    return format
+        .replace('YYYY', year)
+        .replace('MM', month)
+        .replace('DD', day)
+}
+
+/**
+ * 获取星期几
+ * @param {Date} [date]
+ * @returns {string} 周一~周日
+ */
+function getWeekDay(date) {
+    date = date || new Date()
+    var days = ['周日', '周一', '周二', '周三', '周四', '周五', '周六']
+    return days[date.getDay()]
+}
+
+/**
+ * 获取今天的日期字符串 YYYY-MM-DD
+ */
+function getTodayStr() {
+    return formatDate(new Date())
+}
+
+/**
+ * 获取友好的日期显示
+ * @param {string} dateStr - YYYY-MM-DD
+ * @returns {string} 如 "今天"、"昨天"、"3月1日"
+ */
+function getFriendlyDate(dateStr) {
+    var today = getTodayStr()
+    if (dateStr === today) return '今天'
+
+    var yesterday = new Date()
+    yesterday.setDate(yesterday.getDate() - 1)
+    if (dateStr === formatDate(yesterday)) return '昨天'
+
+    var d = new Date(dateStr.replace(/-/g, '/'))
+    return (d.getMonth() + 1) + '月' + d.getDate() + '日'
+}
+
+/**
+ * 日期字符串替换 - 为 .
+ */
+function dateToDot(dateStr) {
+    return (dateStr || '').replace(/-/g, '.')
+}
+
+/**
+ * 获取日期显示 X月X日
+ */
+function getDateDisplay(date) {
+    date = date || new Date()
+    return (date.getMonth() + 1) + '月' + date.getDate() + '日'
+}
+
+/**
+ * 节流函数
+ */
+function throttle(fn, delay) {
+    var timer = null
+    return function () {
+        if (timer) return
+        var args = arguments
+        var context = this
+        timer = setTimeout(function () {
+            fn.apply(context, args)
+            timer = null
+        }, delay)
+    }
+}
+
+module.exports = {
+    formatTime,
+    padZero,
+    formatDate,
+    getWeekDay,
+    getTodayStr,
+    getFriendlyDate,
+    dateToDot,
+    getDateDisplay,
+    throttle
+}