import Vue from 'vue'import moment from 'moment'/** * @filter dateFormat 時間格式化 * @param {String, Date} value 可被 new Date 解析的字符串 * @param {String} formatStr moment 的 format 字符串 * 使用方法 {{ 2019-1-1 | dateFormat() }} */Vue.filter('dateFormat', (value, formatStr) => { return moment(value).format(formatStr || 'YYYY年MM月DD日 hh:mm:ss')})/** * @filter digitUppercase 人民幣金額轉成漢字大寫 * @param {Number} value 金額數字 * 使用方法 {{ 1111 | digitUppercase }} */Vue.filter('digitUppercase', (value) => { if (Number(value)) { let fraction = ['角', '分'] let digit = [  '零', '壹', '貳', '叁', '肆',  '伍', '陸', '柒', '捌', '玖' ] let unit = [  ['元', '萬', '億'],  ['', '拾', '佰', '仟'] ] let head = value < 0 ? '欠' : '' value = Math.abs(value) let s = '' for (let i = 0; i < fraction.length; i++) {  s += (digit[Math.floor(value * 10 * Math.pow(10, i)) % 10] + fraction[i]).replace(/零./, '') } s = s || '整' value = Math.floor(value) for (let i = 0; i < unit[0].length && value > 0; i++) {  let p = ''  for (let j = 0; j < unit[1].length && value > 0; j++) {  p = digit[value % 10] + unit[1][j] + p  value = Math.floor(value / 10)  }  s = p.replace(/(零.)*零$/, '').replace(/^$/, '零') + unit[0][i] + s } return head + s.replace(/(零.)*零元/, '元')  .replace(/(零.)+/g, '零')  .replace(/^整$/, '零元整') } else { return '零元整' }})

import Vue from 'vue'/** * @directive preventReClick 防止按鈕在短時間內多次點擊造成的多次請求(一般用于提交按鈕) * @param {Element} el 綁定的元素 * @param {Number} binding 綁定的時間 * 使用方式 <el-button v-prevent-replace-click></el-button> */Vue.directive('preventReplaceClick', { inserted (el, binding) { el.addEventListener('click', () => {  if (!el.disabled) {  el.classList.add('is-disabled')  const i = document.createElement('i')  i.classList.add('el-icon-loading')  el.prepend(i)  el.classList.add('is-loading')  el.disabled = true  setTimeout(() => {   el.disabled = false   el.classList.remove('is-disabled')   el.classList.remove('is-loading')   el.removeChild(i)  }, binding.value || 1000)  } }) }})

/** * 應用場景 * debounce(抖動) * search搜索聯想，用戶在不斷輸入值時，用防抖來節約請求資源。 * window觸發resize的時候，不斷的調整瀏覽器窗口大小會不斷的觸發這個事件，用防抖來讓其只觸發一次 * * throttle(節流) * 鼠標不斷點擊觸發，mousedown(單位時間內只觸發一次) * 監聽滾動事件，比如是否滑到底部自動加載更多，用throttle來判斷 */// 防抖export function debounce (fn, delay = 200) { let timer return function () { let th = this let args = arguments if (timer) {  clearTimeout(timer) } timer = setTimeout(function () {  timer = null  fn.apply(th, args) }, delay) }}// 節流export function throttle (fn, interval = 200) { let last let timer return function () { let th = this let args = arguments let now = +new Date() if (last && now - last < interval) {  clearTimeout(timer)  timer = setTimeout(function () {  last = now  fn.apply(th, args)  }, interval) } else {  last = now  fn.apply(th, args) } }}

```javascript// 格式化 startDate 和 endDateimport moment from ‘moment'import _ from ‘lodash'/**@method timerByAdd 計算相對當前時間后N個單位時間的日期(加法)@param num {Number} 相對于幾個時間點@param timer {String} 時間單位 ‘days' ‘months' ‘years‘ 更多時間單位參考moment官方文檔@param formatStr {String} moment 的 format 字符串@return {Object} {startDate,endDate}*/export function timerByAdd ({num,timer = ‘days'} = {}, formatStr = ‘YYYY-MM-DD') {let startDatelet endDate = moment().format(formatStr)num ? startDate = moment().add(num, timer).format(formatStr) : startDate = endDatelet result = {startDate,endDate}return result}/**@method timerBySubtract 計算相對當前時間前N個單位時間的日期(減法)@param num {Number} 相對于幾個時間點@param timer {String} 時間單位 ‘days' ‘months' ‘years‘ 更多時間單位參考moment官方文檔@param formatStr {String} moment 的 format 字符串@return {Object} {startDate,endDate}*/export function timerBySubtract ({num,timer = ‘days'} = {}, formatStr = ‘YYYY-MM-DD') {let startDatelet endDate = moment().format(formatStr)num ? startDate = moment().subtract(num, timer).format(formatStr) : startDate = endDatelet result = {startDate,endDate}return result}/**@method timerFormat 將對象時間轉成數組形式@param {Object} timer {startDate, endDate} */ export function timerFormat (timer) { if (.isObject(timer)) {return.values(timer) } }