LT-MES-VUE/src/utils/index.js

import Vue from 'vue'
import router from '@/router'
import store from '@/store'

/**
 * 获取uuid
 */
export function getUUID () {
  return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, c => {
    return (c === 'x' ? (Math.random() * 16 | 0) : ('r&0x3' | '0x8')).toString(16)
  })
}

/**
 * 是否有权限
 * @param {*} key
 */
export function isAuth (key) {
  return JSON.parse(sessionStorage.getItem('permissions') || '[]').indexOf(key) !== -1 || false
}

/**
 * 树形数据转换
 * @param {*} data
 * @param {*} id
 * @param {*} pid
 */
export function treeDataTranslate (data, id = 'id', pid = 'parentId') {
  var res = []
  var temp = {}
  for (var i = 0; i < data.length; i++) {
    temp[data[i][id]] = data[i]
  }
  for (var k = 0; k < data.length; k++) {
    if (temp[data[k][pid]] && data[k][id] !== data[k][pid]) {
      if (!temp[data[k][pid]]['children']) {
        temp[data[k][pid]]['children'] = []
      }
      if (!temp[data[k][pid]]['_level']) {
        temp[data[k][pid]]['_level'] = 1
      }
      data[k]['_level'] = temp[data[k][pid]]._level + 1
      temp[data[k][pid]]['children'].push(data[k])
    } else {
      res.push(data[k])
    }
  }
  return res
}

/**
 * 清除登录信息
 */
export function clearLoginInfo () {
  Vue.cookie.delete('token')
  store.commit('resetStore')
  router.options.isAddDynamicMenuRoutes = false
}

export function format(time, format) {
  let t = new Date(time);
  let tf = function (i) { return (i < 10 ? '0' : '') + i };
  return format.replace(/yyyy|MM|dd|HH|mm|ss/g, function (a) {
    switch (a) {
      case 'yyyy':
        return tf(t.getFullYear());
        break;
      case 'MM':
        return tf(t.getMonth() + 1);
        break;
      case 'mm':
        return tf(t.getMinutes());
        break;
      case 'dd':
        return tf(t.getDate());
        break;
      case 'HH':
        return tf(t.getHours());
        break;
      case 'ss':
        return tf(t.getSeconds());
        break;
    }
  })
}