text: import { getToken, getSchoolid } from '@/utils/auth'
  export let uploadOptions = {
      action: process.env.VUE_APP_BASE_API + '/admin/s/upload',
      importExcelAction: process.env.VUE_APP_BASE_API + "/admin/s/importexcel",
      headers: {
          token: getToken(),
          schoolid: getSchoolid()
      }
  }
  
  /**
   * Created by PanJiaChen on 16/11/18.
   */
  
  /**
   * Parse the time to string
   * @param {(Object|string|number)} time
   * @param {string} cFormat
   * @returns {string | null}
   */
  export function parseTime(time, cFormat) {
      if (typeof time != 'number') {
          time = (new Date(time)).getTime()
      }
      if (arguments.length === 0 || !time) {
          return null
      }
      const format = cFormat || '{y}-{m}-{d} {h}:{i}:{s}'
      let date
      if (typeof time === 'object') {
          date = time
      } else {
          if ((typeof time === 'string')) {
              if ((/^[0-9]+$/.test(time))) {
                  // support "1548221490638"
                  time = parseInt(time)
              } else {
                  // support safari
                  // https://stackoverflow.com/questions/4310953/invalid-date-in-safari
                  time = time.replace(new RegExp(/-/gm), '/')
              }
          }
  
          if ((typeof time === 'number') && (time.toString().length === 10)) {
              time = time * 1000
          }
          date = new Date(time)
      }
      const formatObj = {
          y: date.getFullYear(),
          m: date.getMonth() + 1,
          d: date.getDate(),
          h: date.getHours(),
          i: date.getMinutes(),
          s: date.getSeconds(),
          a: date.getDay()
      }
      const time_str = format.replace(/{([ymdhisa])+}/g, (result, key) => {
          const value = formatObj[key]
              // Note: getDay() returns 0 on Sunday
          if (key === 'a') { return ['日', '一', '二', '三', '四', '五', '六'][value] }
          return value.toString().padStart(2, '0')
      })
      return time_str
  }
  
  /**
   * @param {number} time
   * @param {string} option
   * @returns {string}
   */
  export function formatTime(time, option) {
      if (('' + time).length === 10) {
          time = parseInt(time) * 1000
      } else {
          time = +time
      }
      const d = new Date(time)
      const now = Date.now()
  
      const diff = (now - d) / 1000
  
      if (diff < 30) {
          return '刚刚'
      } else if (diff < 3600) {
          // less 1 hour
          return Math.ceil(diff / 60) + '分钟前'
      } else if (diff < 3600 * 24) {
          return Math.ceil(diff / 3600) + '小时前'
      } else if (diff < 3600 * 24 * 2) {
          return '1天前'
      }
      if (option) {
          return parseTime(time, option)
      } else {
          return (
              d.getMonth() +
              1 +
              '月' +
              d.getDate() +
              '日' +
              d.getHours() +
              '时' +
              d.getMinutes() +
              '分'
          )
      }
  }
  
  /**
   * @param {string} url
   * @returns {Object}
   */
  export function getQueryObject(url) {
      url = url == null ? window.location.href : url
      const search = url.substring(url.lastIndexOf('?') + 1)
      const obj = {}
      const reg = /([^?&=]+)=([^?&=]*)/g
      search.replace(reg, (rs, $1, $2) => {
          const name = decodeURIComponent($1)
          let val = decodeURIComponent($2)
          val = String(val)
          obj[name] = val
          return rs
      })
      return obj
  }
  
  /**
   * @param {string} input value
   * @returns {number} output value
   */
  export function byteLength(str) {
      // returns the byte length of an utf8 string
      let s = str.length
      for (var i = str.length - 1; i >= 0; i--) {
          const code = str.charCodeAt(i)
          if (code > 0x7f && code <= 0x7ff) s++
              else if (code > 0x7ff && code <= 0xffff) s += 2
          if (code >= 0xDC00 && code <= 0xDFFF) i--
      }
      return s
  }
  
  /**
   * @param {Array} actual
   * @returns {Array}
   */
  export function cleanArray(actual) {
      const newArray = []
      for (let i = 0; i < actual.length; i++) {
          if (actual[i]) {
              newArray.push(actual[i])
          }
      }
      return newArray
  }
  
  /**
   * @param {Object} json
   * @returns {Array}
   */
  export function param(json) {
      if (!json) return ''
      return cleanArray(
          Object.keys(json).map(key => {
              if (json[key] === undefined) return ''
              return encodeURIComponent(key) + '=' + encodeURIComponent(json[key])
          })
      ).join('&')
  }
  
  /**
   * @param {string} url
   * @returns {Object}
   */
  export function param2Obj(url) {
      const search = decodeURIComponent(url.split('?')[1]).replace(/\+/g, ' ')
      if (!search) {
          return {}
      }
      const obj = {}
      const searchArr = search.split('&')
      searchArr.forEach(v => {
          const index = v.indexOf('=')
          if (index !== -1) {
              const name = v.substring(0, index)
              const val = v.substring(index + 1, v.length)
              obj[name] = val
          }
      })
      return obj
  }
  
  /**
   * @param {string} val
   * @returns {string}
   */
  export function html2Text(val) {
      const div = document.createElement('div')
      div.innerHTML = val
      return div.textContent || div.innerText
  }
  
  /**
   * Merges two objects, giving the last one precedence
   * @param {Object} target
   * @param {(Object|Array)} source
   * @returns {Object}
   */
  export function objectMerge(target, source) {
      if (typeof target !== 'object') {
          target = {}
      }
      if (Array.isArray(source)) {
          return source.slice()
      }
      Object.keys(source).forEach(property => {
          const sourceProperty = source[property]
          if (typeof sourceProperty === 'object') {
              target[property] = objectMerge(target[property], sourceProperty)
          } else {
              target[property] = sourceProperty
          }
      })
      return target
  }
  
  /**
   * @param {HTMLElement} element
   * @param {string} className
   */
  export function toggleClass(element, className) {
      if (!element || !className) {
          return
      }
      let classString = element.className
      const nameIndex = classString.indexOf(className)
      if (nameIndex === -1) {
          classString += '' + className
      } else {
          classString =
              classString.substr(0, nameIndex) +
              classString.substr(nameIndex + className.length)
      }
      element.className = classString
  }
  
  /**
   * @param {string} type
   * @returns {Date}
   */
  export function getTime(type) {
      if (type === 'start') {
          return new Date().getTime() - 3600 * 1000 * 24 * 90
      } else {
          return new Date(new Date().toDateString())
      }
  }
  
  /**
   * @param {Function} func
   * @param {number} wait
   * @param {boolean} immediate
   * @return {*}
   */
  export function debounce(func, wait, immediate) {
      let timeout, args, context, timestamp, result
  
      const later = function() {
          // 据上一次触发时间间隔
          const last = +new Date() - timestamp
  
          // 上次被包装函数被调用时间间隔 last 小于设定时间间隔 wait
          if (last < wait && last > 0) {
              timeout = setTimeout(later, wait - last)
          } else {
              timeout = null
                  // 如果设定为immediate===true，因为开始边界已经调用过了此处无需调用
              if (!immediate) {
                  result = func.apply(context, args)
                  if (!timeout) context = args = null
              }
          }
      }
  
      return function(...args) {
          context = this
          timestamp = +new Date()
          const callNow = immediate && !timeout
              // 如果延时不存在，重新设定延时
          if (!timeout) timeout = setTimeout(later, wait)
          if (callNow) {
              result = func.apply(context, args)
              context = args = null
          }
  
          return result
      }
  }
  
  /**
   * This is just a simple version of deep copy
   * Has a lot of edge cases bug
   * If you want to use a perfect deep copy, use lodash's _.cloneDeep
   * @param {Object} source
   * @returns {Object}
   */
  export function deepClone(source) {
      if (!source && typeof source !== 'object') {
          throw new Error('error arguments', 'deepClone')
      }
      const targetObj = source.constructor === Array ? [] : {}
      Object.keys(source).forEach(keys => {
          if (source[keys] && typeof source[keys] === 'object') {
              targetObj[keys] = deepClone(source[keys])
          } else {
              targetObj[keys] = source[keys]
          }
      })
      return targetObj
  }
  
  /**
   * @param {Array} arr
   * @returns {Array}
   */
  export function uniqueArr(arr) {
      return Array.from(new Set(arr))
  }
  
  /**
   * @returns {string}
   */
  export function createUniqueString() {
      const timestamp = +new Date() + ''
      const randomNum = parseInt((1 + Math.random()) * 65536) + ''
      return (+(randomNum + timestamp)).toString(32)
  }
  
  /**
   * Check if an element has a class
   * @param {HTMLElement} elm
   * @param {string} cls
   * @returns {boolean}
   */
  export function hasClass(ele, cls) {
      return !!ele.className.match(new RegExp('(\\s|^)' + cls + '(\\s|$)'))
  }
  
  /**
   * Add class to element
   * @param {HTMLElement} elm
   * @param {string} cls
   */
  export function addClass(ele, cls) {
      if (!hasClass(ele, cls)) ele.className += ' ' + cls
  }
  
  /**
   * Remove class from element
   * @param {HTMLElement} elm
   * @param {string} cls
   */
  export function removeClass(ele, cls) {
      if (hasClass(ele, cls)) {
          const reg = new RegExp('(\\s|^)' + cls + '(\\s|$)')
          ele.className = ele.className.replace(reg, ' ')
      }
  }