141 lines
2.9 KiB
JavaScript
141 lines
2.9 KiB
JavaScript
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/**
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* 通用工具函数集合
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*/
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/**
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* 格式化日期
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* @param {Date|string|number} date 日期对象/日期字符串/时间戳
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* @param {string} format 格式化模板，如：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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function formatDate(date, format = 'YYYY-MM-DD HH:mm:ss') {
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if (!date) return '';
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// 如果是时间戳或字符串，转为日期对象
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if (typeof date === 'string' || typeof date === 'number') {
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date = new Date(date);
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}
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// 定义替换规则
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const rules = {
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'YYYY': date.getFullYear(),
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'MM': padZero(date.getMonth() + 1),
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'DD': padZero(date.getDate()),
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'HH': padZero(date.getHours()),
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'mm': padZero(date.getMinutes()),
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'ss': padZero(date.getSeconds())
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};
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// 替换
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return format.replace(/(YYYY|MM|DD|HH|mm|ss)/g, function(key) {
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return rules[key];
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});
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}
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/**
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* 补零
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* @param {number} num 数字
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* @returns {string} 补零后的字符串
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*/
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function padZero(num) {
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return String(num).padStart(2, '0');
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}
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/**
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* 格式化手机号
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* @param {string} mobile 手机号
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* @returns {string} 格式化后的手机号，如：138****8888
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*/
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function formatMobile(mobile) {
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if (!mobile) return '';
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return mobile.replace(/^(\d{3})\d{4}(\d{4})$/, '$1****$2');
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}
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/**
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* 生成UUID
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* @returns {string} UUID
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*/
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function generateUUID() {
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return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function(c) {
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const r = Math.random() * 16 | 0;
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const v = c === 'x' ? r : (r & 0x3 | 0x8);
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return v.toString(16);
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});
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}
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/**
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* 深度克隆对象
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* @param {Object} obj 需要克隆的对象
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* @returns {Object} 克隆后的对象
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*/
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function deepClone(obj) {
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if (obj === null || typeof obj !== 'object') {
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return obj;
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}
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// 处理日期
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if (obj instanceof Date) {
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return new Date(obj.getTime());
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}
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// 处理数组
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if (obj instanceof Array) {
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return obj.map(item => deepClone(item));
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}
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// 处理对象
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const clonedObj = {};
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for (const key in obj) {
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if (obj.hasOwnProperty(key)) {
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clonedObj[key] = deepClone(obj[key]);
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}
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}
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return clonedObj;
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}
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/**
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* 防抖函数
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* @param {Function} fn 需要防抖的函数
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* @param {number} delay 延迟时间，单位ms
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* @returns {Function} 防抖后的函数
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*/
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function debounce(fn, delay = 300) {
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let timer = null;
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return function(...args) {
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if (timer) clearTimeout(timer);
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timer = setTimeout(() => {
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fn.apply(this, args);
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}, delay);
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};
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}
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/**
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* 节流函数
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* @param {Function} fn 需要节流的函数
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* @param {number} delay 延迟时间，单位ms
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* @returns {Function} 节流后的函数
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*/
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function throttle(fn, delay = 300) {
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let lastTime = 0;
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return function(...args) {
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const now = Date.now();
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if (now - lastTime >= delay) {
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fn.apply(this, args);
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lastTime = now;
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}
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};
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}
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export default {
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formatDate,
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formatMobile,
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generateUUID,
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deepClone,
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debounce,
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throttle
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};
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