ngds/frontendEle/src/utils/tool.js

import errorCode from './errorCode'
import baseInfo from './baseInfo'
import {PRICE_IS_ROUND} from './config'
import userInfo from "../../../backendEle/src/utils/userInfo";

let tool = {
  /**
   * 设置JS存在客户端的Storage值
   * @param key
   * @param value
   */
  setStorage(key, value) {
    localStorage.setItem(key, value)
  },
  /**
   * 获取Storage值
   * @param key
   * @returns {string | null}
   */
  getStorage(key) {
    return localStorage.getItem(key)
  },
  /**
   * 移除Storage值
   * @param key
   */
  removeStorage(key) {
    localStorage.removeItem(key)
  },
  /**
   * 获取当前时间戳(精确到秒)
   * @returns {number}
   */
  getTimestamp(date = null) {
    let days = baseInfo.daysDiff()
    let dateObj
    if (date !== null) {
      dateObj = new Date(date)
    } else {
      dateObj = new Date()
    }
    return Math.round(dateObj.getTime() / 1000 + (days * 86400))
  },
  formatDate(timestamp, withTime = true) {
    let newDate = new Date()
    timestamp = parseInt(timestamp)
    if (timestamp) {
      newDate.setTime(timestamp * 1000)
    } else {
      return ''
    }
    let Y = newDate.getFullYear() + '-'
    let M = (newDate.getMonth() + 1 < 10 ? '0' + (newDate.getMonth() + 1) : newDate.getMonth() + 1) + '-'
    let D = (newDate.getDate() < 10 ? '0' + (newDate.getDate()) : newDate.getDate()) + ' '
    let h = (newDate.getHours() < 10 ? '0' + newDate.getHours() : newDate.getHours()) + ':'
    let m = (newDate.getMinutes() < 10 ? '0' + newDate.getMinutes() : newDate.getMinutes()) + ':'
    let s = (newDate.getSeconds() < 10 ? '0' + newDate.getSeconds() : newDate.getSeconds())
    if (withTime) return Y + M + D + h + m + s
    return Y + M + D
  },
  /**
   * 处理错误结果
   * @param error
   * @returns {{message: string, todo: *}}
   */
  errorHandle(error) {
    let message = ''
    let status = 0
    let todo
    if (errorCode.has(error)) {
      let errorResult = errorCode.get(error)
      message = errorResult.message
      status = errorResult.status ? errorResult.status : 0
      todo = errorResult.todo
    } else {
      message = error.message
      todo = null
      status = error.data.status ? error.data.status : 0
    }
    if (todo || status === 401) {
      message = todo ? 'Not authorized, please log in again.' : (message === 'Your request was made with invalid credentials.' ? 'Not authorized, please log in again.' : message)
      userInfo.logout()
    }
    if (todo || status === 402) {
      message = todo ? 'No operation has been performed for a long time,please log in again.':(message === 'Connection not operated for too long' ? 'No operation has been performed for a long time,please log in again.' : message) // 长时间未进行操作，请重新登录
      userInfo.logout()
    }
    return {message, todo, status}
  },
  /**
   * 解析URL地址
   * @param url
   * var myURL = parseURL('http://abc.com:8080/dir/index.html?id=255&m=hello#top');
   myURL.file; // = 'index.html'
   myURL.hash; // = 'top'
   myURL.host; // = 'abc.com'
   myURL.query; // = '?id=255&m=hello'
   myURL.params; // = Object = { id: 255, m: hello }
   myURL.path; // = '/dir/index.html'
   myURL.segments; // = Array = ['dir', 'index.html']
   myURL.port; // = '8080'
   myURL.protocol; // = 'http'
   myURL.source; // = 'http://abc.com:8080/dir/index.html?id=255&m=hello#top'
   * @returns {{source: *, protocol: string, host: string, port: string, query: string, params, file: string | *, hash: string, path: string, relative: string | *, segments: string[]}}
   */
  parseURL(url) {
    let a = document.createElement('a')
    a.href = url
    return {
      source: url,
      protocol: a.protocol.replace(':', ''),
      host: a.hostname,
      port: a.port,
      query: a.search,
      params: (function () {
        let waitUrl = a.hash.replace(/^#\/[\-_a-zA-Z0-9]+\?/, '\?') || a.search
        let ret = {},
          seg = waitUrl.replace(/^\?/, '').split('&'),
          len = seg.length,
          i = 0,
          s
        for (; i < len; i++) {
          if (!seg[i]) {
            continue
          }
          s = seg[i].split('=')
          ret[s[0]] = s[1]
        }
        return ret
      })(),
      file: (a.pathname.match(/\/([^\/?#]+)$/i) || [, ''])[1],
      hash: a.hash.replace('#', ''),
      path: a.pathname.replace(/^([^\/])/, '/$1'),
      relative: (a.href.match(/tps?:\/\/[^\/]+(.+)/) || [, ''])[1],
      segments: a.pathname.replace(/^\//, '').split('/')
    }
  },
  removeFromArr(arr, item) {
    for (let i = arr.length - 1; i >= 0; i--) {
      if (arr[i] === item) {
        arr.splice(i, 1)
        return arr
      }
    }
  },
  isInArray(arr, value) {
    for (let i in arr) {
      if (value === arr[i]) {
        return true
      }
    }
    return false
  },
  isString(val) {
    return typeof val === 'string' || val instanceof String
  },
  /**
   * 格式化金额数值为两位小数，是否四舍五入
   * @param val
   * @returns {string}
   */
  formatPrice(val) {
    val = Number.parseFloat(val)
    if (PRICE_IS_ROUND) {
      return val.toFixed(2)
    } else {
      val = val.toFixed(3)
      return val.substring(0, val.lastIndexOf('.') + 3)
    }
  },
  /**
   * 根据状态返回颜色
   * @param val
   * @returns {string}
   */
  statusType(val) {
    switch (val) {
      case '0':
        return 'info'
        break
      case '1':
        return ''
        break
      case '2':
        return 'danger'
        break
      case '3':
        return 'warning'
        break
      case '4':
        return 'success'
        break
      default:
        return 'info'
    }
  },
  sum(arr) {//求数组总和
    var s = 0;
    for (var i=arr.length-1; i>=0; i--) {
        s += arr[i];
    }
    return s;
  },
    /**
     * 获取table显示高度
     * @param hasStatusBar
     * @returns {number}
     */
    getTableHeight(hasStatusBar = false) {
        if (hasStatusBar) return window.innerHeight - 320
        return window.innerHeight - 260
    },
  // 计算商品税额
  calculateTax(amount, taxRate, count = 1) {
      let taxAmount = (amount - amount / (1 + taxRate / 100)) * count
      return Math.round(taxAmount * 100) / 100
  },
}

export default tool