export function timeFix () { const time = new Date() const hour = time.getHours() return hour < 9 ? '早上好' : hour <= 11 ? '上午好' : hour <= 13 ? '中午好' : hour < 20 ? '下午好' : '晚上好' } export function welcome () { const arr = ['休息一会儿吧', '准备吃什么呢?', '要不要打一把 DOTA', '我猜你可能累了'] const index = Math.floor(Math.random() * arr.length) return arr[index] } /** * 触发 window.resize */ export function triggerWindowResizeEvent () { const event = document.createEvent('HTMLEvents') event.initEvent('resize', true, true) event.eventType = 'message' window.dispatchEvent(event) } export function handleScrollHeader (callback) { let timer = 0 let beforeScrollTop = window.pageYOffset callback = callback || function () {} window.addEventListener( 'scroll', event => { clearTimeout(timer) timer = setTimeout(() => { let direction = 'up' const afterScrollTop = window.pageYOffset const delta = afterScrollTop - beforeScrollTop if (delta === 0) { return false } direction = delta > 0 ? 'down' : 'up' callback(direction) beforeScrollTop = afterScrollTop }, 50) }, false ) } /** * Remove loading animate * @param id parent element id or class * @param timeout */ export function removeLoadingAnimate (id = '', timeout = 1500) { if (id === '') { return } setTimeout(() => { document.body.removeChild(document.getElementById(id)) }, timeout) } /** * @param {String|Number} value 要验证的字符串或数值 * @param {*} validList 用来验证的列表 */ export function oneOf (value, validList) { for (let i = 0; i < validList.length; i++) { if (value === validList[i]) { return true } } return false } /** * @param {Function} fn 防抖函数 * @param {Number} delay 延迟时间 */ export function debounce(fn, delay) { var timer; return function () { var context = this; var args = arguments; clearTimeout(timer); timer = setTimeout(function () { fn.apply(context, args); }, delay); }; } /** * @param {date} time 需要转换的时间 * @param {String} fmt 需要转换的格式 如 yyyy-MM-dd、yyyy-MM-dd HH:mm:ss */ export function formatTime(time, fmt) { if (!time) return ''; else { const date = new Date(time); const o = { 'M+': date.getMonth() + 1, 'd+': date.getDate(), 'H+': date.getHours(), 'm+': date.getMinutes(), 's+': date.getSeconds(), 'q+': Math.floor((date.getMonth() + 3) / 3), S: date.getMilliseconds(), }; if (/(y+)/.test(fmt)) fmt = fmt.replace( RegExp.$1, (date.getFullYear() + '').substr(4 - RegExp.$1.length) ); for (const k in o) { if (new RegExp('(' + k + ')').test(fmt)) { fmt = fmt.replace( RegExp.$1, RegExp.$1.length === 1 ? o[k] : ('00' + o[k]).substr(('' + o[k]).length) ); } } return fmt; } } // 千分位分隔符 export function formatThousands (number) { if(!number){return 0} const numbers = number.toString().split('').reverse() const segs = [] while (numbers.length) segs.push(numbers.splice(0, 3).join('')) return segs.join(',').split('').reverse().join('').replace(",.",".") }