71 lines
2.1 KiB
JavaScript
71 lines
2.1 KiB
JavaScript
/**
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* 格式化日期时间
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* @param {string|Date} date - 日期对象或日期字符串
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* @param {string} format - 格式化模式，默认为 'YYYY-MM-DD HH:mm:ss'
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* @returns {string} - 格式化后的日期字符串
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*/
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export function formatDate(date, format = 'YYYY-MM-DD HH:mm:ss') {
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if (!date) return '-';
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const d = typeof date === 'string' ? new Date(date) : date;
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// 检查日期是否有效
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if (isNaN(d.getTime())) {
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return '-';
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}
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const year = d.getFullYear();
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const month = String(d.getMonth() + 1).padStart(2, '0');
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const day = String(d.getDate()).padStart(2, '0');
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const hours = String(d.getHours()).padStart(2, '0');
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const minutes = String(d.getMinutes()).padStart(2, '0');
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const seconds = String(d.getSeconds()).padStart(2, '0');
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return format
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.replace('YYYY', year)
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.replace('MM', month)
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.replace('DD', day)
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.replace('HH', hours)
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.replace('mm', minutes)
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.replace('ss', seconds);
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}
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/**
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* 格式化金额，保留两位小数
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* @param {number|string} amount - 金额
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* @param {number} decimals - 小数位数，默认为2
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* @param {string} prefix - 前缀，默认为空
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* @returns {string} - 格式化后的金额字符串
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*/
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export function formatAmount(amount, decimals = 2, prefix = '') {
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if (amount === undefined || amount === null) return `${prefix}0.00`;
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const num = parseFloat(amount);
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if (isNaN(num)) return `${prefix}0.00`;
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return `${prefix}${num.toFixed(decimals)}`;
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}
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/**
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* 格式化手机号码，中间四位显示为星号
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* @param {string} phone - 手机号码
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* @returns {string} - 格式化后的手机号码
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*/
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export function formatPhone(phone) {
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if (!phone || phone.length < 11) return phone;
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return `${phone.substring(0, 3)}****${phone.substring(7)}`;
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}
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/**
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* 格式化银行卡号，仅显示后四位
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* @param {string} cardNumber - 银行卡号
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* @returns {string} - 格式化后的银行卡号
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*/
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export function formatBankCard(cardNumber) {
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if (!cardNumber) return '';
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if (cardNumber.length <= 4) return cardNumber;
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return `**** **** **** ${cardNumber.slice(-4)}`;
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}
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