init

utils/format.js

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+export function formatMoney(cent) {
+	if (!cent && cent !== 0) return '¥0'
+	const yuan = cent / 100
+	return `¥${yuan.toFixed(yuan % 1 === 0 ? 0 : 2)}`
+}
+
+export function formatPercent(value, decimals = 0) {
+	if (!value && value !== 0) return '0%'
+	return `${(value * 100).toFixed(decimals)}%`
+}
+
+export function formatNumber(num) {
+	if (!num && num !== 0) return '0'
+	return num.toLocaleString()
+}
+
+export function formatChange(current, previous) {
+	if (!previous) return { text: '', class: '' }
+	
+	const diff = current - previous
+	const percent = Math.round((diff / previous) * 100)
+	
+	if (diff < 0) {
+		return {
+			text: `较昨日 ${diff}`,
+			class: 'change-down',
+			percent: `${percent}%`
+		}
+	} else if (diff > 0) {
+		return {
+			text: `较昨日 +${diff}`,
+			class: 'change-up',
+			percent: `+${percent}%`
+		}
+	}
+	return {
+		text: '与昨日持平',
+		class: 'change-same',
+		percent: '0%'
+	}
+}

utils/index.js

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+export * from './storage'
+export * from './time'
+export * from './format'

utils/storage.js

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+const STORAGE_PREFIX = 'smt_'
+
+export const storage = {
+	set(key, value) {
+		try {
+			uni.setStorageSync(STORAGE_PREFIX + key, JSON.stringify(value))
+		} catch (e) {
+			console.error('Storage set error:', e)
+		}
+	},
+
+	get(key, defaultValue = null) {
+		try {
+			const value = uni.getStorageSync(STORAGE_PREFIX + key)
+			return value ? JSON.parse(value) : defaultValue
+		} catch (e) {
+			console.error('Storage get error:', e)
+			return defaultValue
+		}
+	},
+
+	remove(key) {
+		try {
+			uni.removeStorageSync(STORAGE_PREFIX + key)
+		} catch (e) {
+			console.error('Storage remove error:', e)
+		}
+	},
+
+	clear() {
+		try {
+			uni.clearStorageSync()
+		} catch (e) {
+			console.error('Storage clear error:', e)
+		}
+	}
+}
+
+export const SESSION_KEY = 'session_key'
+export const USER_KEY = 'user'
+export const PROFILE_KEY = 'profile'

utils/time.js

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+export function formatTime(date) {
+	if (!date) return ''
+	if (typeof date === 'string') {
+		date = new Date(date)
+	}
+	const hours = String(date.getHours()).padStart(2, '0')
+	const minutes = String(date.getMinutes()).padStart(2, '0')
+	return `${hours}:${minutes}`
+}
+
+export function formatDate(date) {
+	if (!date) return ''
+	if (typeof date === 'string') {
+		date = new Date(date)
+	}
+	const year = date.getFullYear()
+	const month = String(date.getMonth() + 1).padStart(2, '0')
+	const day = String(date.getDate()).padStart(2, '0')
+	return `${year}-${month}-${day}`
+}
+
+export function formatDateTime(date) {
+	if (!date) return ''
+	if (typeof date === 'string') {
+		date = new Date(date)
+	}
+	return `${formatDate(date)} ${formatTime(date)}:${String(date.getSeconds()).padStart(2, '0')}`
+}
+
+export function formatDuration(minutes) {
+	if (!minutes || minutes < 0) return '0分钟'
+	
+	const hours = Math.floor(minutes / 60)
+	const mins = Math.round(minutes % 60)
+	
+	if (hours === 0) {
+		return `${mins}分钟`
+	}
+	if (mins === 0) {
+		return `${hours}小时`
+	}
+	return `${hours}小时${mins}分`
+}
+
+export function formatTimerDisplay(totalSeconds) {
+	const hours = Math.floor(totalSeconds / 3600)
+	const minutes = Math.floor((totalSeconds % 3600) / 60)
+	const seconds = totalSeconds % 60
+	return `${String(hours).padStart(2, '0')}:${String(minutes).padStart(2, '0')}:${String(seconds).padStart(2, '0')}`
+}
+
+export function getGreeting() {
+	const hour = new Date().getHours()
+	if (hour < 6) return '凌晨好'
+	if (hour < 12) return '早上好'
+	if (hour < 14) return '中午好'
+	if (hour < 18) return '下午好'
+	return '晚上好'
+}
+
+export function isToday(dateStr) {
+	const today = new Date().toISOString().split('T')[0]
+	return dateStr === today
+}
+
+export function isYesterday(dateStr) {
+	const yesterday = new Date()
+	yesterday.setDate(yesterday.getDate() - 1)
+	return dateStr === yesterday.toISOString().split('T')[0]
+}
+
+export function daysBetween(date1, date2) {
+	const d1 = new Date(date1)
+	const d2 = new Date(date2)
+	const diffTime = Math.abs(d2 - d1)
+	return Math.ceil(diffTime / (1000 * 60 * 60 * 24))
+}
+
+export function getWeekday(dateStr) {
+	const weekdays = ['日', '一', '二', '三', '四', '五', '六']
+	const date = new Date(dateStr)
+	return weekdays[date.getDay()]
+}