105 lines
2.7 KiB
TypeScript
105 lines
2.7 KiB
TypeScript
import dayjs from 'dayjs';
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import relativeTime from 'dayjs/plugin/relativeTime';
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import 'dayjs/locale/zh-cn';
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// 配置 dayjs
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dayjs.extend(relativeTime);
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dayjs.locale('zh-cn');
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/**
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* 格式化数字，添加千位分隔符
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*/
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export function formatNumber(num: number | string, decimals = 0): string {
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const n = typeof num === 'string' ? parseFloat(num) : num;
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if (isNaN(n)) return '0';
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return n.toLocaleString('zh-CN', {
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minimumFractionDigits: decimals,
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maximumFractionDigits: decimals,
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});
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}
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/**
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* 格式化货币
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*/
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export function formatCurrency(amount: number, currency = 'CNY'): string {
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const symbols: Record<string, string> = {
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CNY: '¥',
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USD: '$',
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USDT: '积分 ',
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BTC: 'BTC ',
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};
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const symbol = symbols[currency] || '';
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return `${symbol}${formatNumber(amount, 2)}`;
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}
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/**
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* 格式化百分比
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*/
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export function formatPercentage(value: number, decimals = 1): string {
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return `${value >= 0 ? '+' : ''}${value.toFixed(decimals)}%`;
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}
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/**
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* 格式化日期
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*/
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export function formatDate(date: string | Date, format = 'YYYY-MM-DD'): string {
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return dayjs(date).format(format);
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}
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/**
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* 格式化日期时间
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*/
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export function formatDateTime(date: string | Date, format = 'YYYY-MM-DD HH:mm:ss'): string {
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return dayjs(date).format(format);
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}
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/**
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* 格式化相对时间 (如: 5分钟前, 2小时前)
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*/
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export function formatRelativeTime(date: string | Date): string {
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return dayjs(date).fromNow();
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}
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/**
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* 格式化文件大小
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*/
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export function formatFileSize(bytes: number): string {
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if (bytes === 0) return '0 B';
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const k = 1024;
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const sizes = ['B', 'KB', 'MB', 'GB', 'TB'];
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const i = Math.floor(Math.log(bytes) / Math.log(k));
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return `${parseFloat((bytes / Math.pow(k, i)).toFixed(2))} ${sizes[i]}`;
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}
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/**
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* 截断文本
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*/
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export function truncateText(text: string, maxLength: number): string {
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if (text.length <= maxLength) return text;
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return `${text.slice(0, maxLength)}...`;
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}
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/**
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* 格式化手机号 (隐藏中间4位)
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*/
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export function formatPhone(phone: string): string {
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if (!phone || phone.length !== 11) return phone;
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return `${phone.slice(0, 3)}****${phone.slice(7)}`;
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}
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/**
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* 格式化钱包地址 (显示前后几位)
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*/
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export function formatWalletAddress(address: string, startLen = 6, endLen = 4): string {
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if (!address || address.length <= startLen + endLen) return address;
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return `${address.slice(0, startLen)}...${address.slice(-endLen)}`;
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}
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/**
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* 格式化排名显示
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*/
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export function formatRanking(rank: number | null): string {
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if (rank === null || rank === 0) return '-';
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return `#${rank}`;
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}
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