mall-web-ssr/utils/baseUtils.js

const NULL_ARR = ['空', '没', '无', '-', '—', 'null', '#N/A']

/*
 *  isBuy: 是否是立即购买
 *  event: 触发事件
 *  $this: 当前对象
 *  item: 操作对象
 *  url: 购买跳转的结算页地址
 *  buyCount: 购买数量，不填则选择起订量
 * */
const _buyOrCar = function (isBuy, event, $this, item, url = '/user#/order/pay/', buyCount) {
  if (event) event.stopPropagation()
  if (!$this.$store.state.option.user.logged) {
    $this.$http.get('/login/page', {params: {returnUrl: window.location.href}}).then(response => {
      if (response.data) {
        window.location.href = response.data.content + '&baseUrl=' + encodeURIComponent(window.location.protocol + '//' + window.location.host + response.data.baseUrl)
      }
    })
  } else {
    if (item && !$this.disabledFlag) {
      if (isBuy) {
        $this.$http.post('/trade/order/buyNow', [{
          uuid: item.uuid,
          batchCode: item.batchCode,
          number: buyCount || item.minBuyQty,
          storeid: item.storeid ? item.storeid : item.storeId,
          storeUuid: item.storeid ? item.storeid : item.storeId,
          currencyName: item.currencyName,
          minPackQty: item.minPackQty
        }])
          .then(response => {
            //        window.location.href = '/user#/order/pay/' + $this.enidfilter(response.data.orderid)
            if (response.data.success) {
              if (response.data.message) {
                $this.$message({
                  message: response.data.message,
                  type: 'success'
                })
                window.setTimeout(function () {
                  window.location.href = url + _enidfilter(response.data.data.orderid)
                }, 1000)
              } else {
                window.location.href = url + _enidfilter(response.data.data.orderid)
              }
            } else {
              if (response.data.data && response.data.data.unvailable === 1) {
                _setMessage($this, '产品信息已失效，请刷新页面', $this.isMobile, false)
              } else {
                _setMessage($this, response.data.message, $this.isMobile, false)
              }
            }
          }, err => {
            console.log(err)
            if (item.minBuyQty > item.reserve) {
              _setMessage($this, '商品' + item.code + '的库存已经不满足起订量', $this.isMobile, false)
            }
          })
      } else {
        // $this.$store.dispatch('user/addCar', {uuid: item.uuid, batchCode: item.batchCode, number: item.minBuyQty})
        $this.$http.post('/trade/cart/add', {
          uuid: item.uuid,
          batchCode: item.batchCode,
          number: buyCount || item.minBuyQty,
          storeid: item.storeid ? item.storeid : item.storeId,
          storeUuid: item.storeid ? item.storeid : item.storeId,
          currencyName: item.currencyName,
          minPackQty: item.minPackQty
        })
          .then(response => {
            if (response.data.success) {
              if (response.data.message) {
                _setMessage($this, '添加购物车成功，但商品信息有更新', $this.isMobile, true)
              } else {
                _setMessage($this, '添加购物车成功', $this.isMobile, true)
              }
            } else {
              // if (response.data.code === 2) {
              //   $this.$message.error('库存已不满足起订量')
              // } else
              if (response.data.message === '该产品已失效') {
                _setMessage($this, response.data.message + '，请刷新页面', $this.isMobile, false)
              } else {
                _setMessage($this, response.data.message, $this.isMobile, false)
              }
            }
          })
      }
    }
  }
  // window.location.href = 'user#/order/pay/' + $this.enidfilter($this.buy_info.orderid)
}

const _enidfilter = (str) => {
  if (str) {
    let encryptStr = '' // 最终返回的加密后的字符串
    // 产生三位随机数
    let num = ''
    for (let i = 0; i < 3; i++) {
      num += Math.floor(Math.random() * 10)
    }
    encryptStr += num // 产生3位随机数

    // 16位加密
    let tempspit = ''
    let strspit = str.toString().toLowerCase()
    if (strspit.match(/^[-+]?\d*$/) === null) { // 非整数字符，对每一个字符都转换成16进制，然后拼接
      /**
       * Unicode汉字、英文字母、数字的unicode范围
       *汉字：[0x4e00,0x9fa5]（或十进制[19968,40869]）
       *数字：[0x30,0x39]（或十进制[48, 57]）
       *小写字母：[0x61,0x7a]（或十进制[97, 122]）
       *大写字母：[0x41,0x5a]（或十进制[65, 90]
       * 'a'的Unicode编码：'&#97;',charCodeAt()的值是97
       * '码'的Unicode编码：'\u7801', new String('码').charCodeAt()的值是30721，30721的16进制表示是7801
       */
      let s = strspit.split('')
      for (let i = 0; i < s.length; i++) {
        s[i] = s[i].charCodeAt() // 先转换成Unicode编码
        s[i] = s[i].toString(16)
        // 因为在服务器是每两位当做一个字符进行解析的，所以这里每个字符的Unicode编码范围必须在0——255之间。数字和大小写满足该要求，特殊字符则不一定，如果后续有特殊字符的要求，需要重写编码器和解码器
        if (s[i].length === 1) {
          s[i] = '0' + s[i]
        }
        tempspit = tempspit + s[i]
      }
      tempspit = tempspit + '{' + 1 // 1代表字符
    } else { // 数字直接转换成16进制
      strspit = parseInt(strspit)
        .toString(16)
      tempspit = strspit + '{' + 0 // 0代表纯数字
    }

    let temp = tempspit.split('{') // 对要加密的字符转换成16进制
    let numLength = temp[0].length // 转换后的字符长度
    numLength = numLength.toString(16) // 字符长度换算成16进制
    if (numLength.length === 1) { // 如果是1，补一个0
      numLength = '0' + numLength
    } else if (numLength.length > 3) { // 转换后的16进制字符长度如果大于2位数，则返回，不支持
      return ''
    }
    encryptStr += numLength
    if (temp[1] === '0') {
      encryptStr += 0
    } else if (temp[1] === '1') {
      encryptStr += 1
    }
    encryptStr += temp[0]
    if (encryptStr.length < 20) { // 如果小于20位，补上随机数
      // 产生三位随机数
      let numtwo = ''
      for (let i = 0; i < 20 - encryptStr.length; i++) {
        numtwo += Math.floor(Math.random() * 10)
      }
      let ran = numtwo // 产生3位随机数
      encryptStr += ran
    }
    return encryptStr
  }
}

/*
* @str 字符串
* */
const _getRealLen = function (str) {
  let len = 0
  for (let i = 0; i < str.length; i++) {
    if (str.charCodeAt(i) > 127 || str.charCodeAt(i) === 94) {
      len += 2
    } else {
      len++
    }
  }
  return len
}

/*
* @str 字符串
* @length 需要剪切的字符长度
* */
const _cutOutString = (str, length) => {
  for (let i = 1; i <= str.length; i++) {
    if (_getRealLen(str.substr(0, i)) > length) {
      str = str.substr(0, i - 1)
      break
    }
  }
  return str
}

const _spliceStr = (str, length) => {
  for (let i = 1; i <= str.length; i++) {
    if (_getRealLen(str.substr(0, i)) > length) {
      str = str.substr(0, i - 1) + '...'
      break
    }
  }
  return str
}

/*
* @date 日期，既可以是Date格式，也可是字符串格式
* @fmt 需要转换的格式，如 'yyyy-MM-dd hh:mm:ss'
* return 转换后的字符串格式的日期
* */
const _formatDate = (date, fmt) => {
  if (!date) {
    return null
  }
  // fmt = fmt.replace(/-/g, '/')
  if (typeof date === 'string') {
    date = new Date(Date.parse(date.replace(/-/g, '/')))
  }
  let o = {
    'M+': date.getMonth() + 1, // 月份
    'd+': date.getDate(), // 日
    'h+': date.getHours(), // 小时
    'm+': date.getMinutes(), // 分
    's+': date.getSeconds(), // 秒
    'q+': Math.floor((date.getMonth() + 3) / 3), // 季度
    'S': date.getMilliseconds() // 毫秒
  }
  if (/(y+)/.test(fmt)) {
    fmt = fmt.replace(RegExp.$1, (date.getFullYear() + '').substr(4 - RegExp.$1.length))
  }
  for (let 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
}

/*
* @str 传入的字符串
* */
const _checkNullStr = (str) => {
  // NULL_ARR.map(s => {
  //   if (str === s) {
  //     return false
  //   }
  // })
  for (let i = 0; i < NULL_ARR.length; i++) {
    if (str === NULL_ARR[i]) {
      return false
    }
  }
  return true
}

/*
* @$this 当前上下文
* @enuu 企业uu
* */
const _goLinkUser = ($this, enuu) => {
  if ($this.user.logged) {
    // $this.$http.get('/basic/enterprise/' + $this.storeInfo.enUU + '/info').then(response => {
    //   if (response.data.enTel) {
    //     $this.tel = response.data.enTel
    //     $this.showLinkBox = true
    //   } else {
    //     $this.$http.get('/basic/enterprise/' + response.data.uu + '/admin').then(response => {
    //       $this.tel = response.data.userTel
    //       $this.showLinkBox = true
    //     }, err => {
    //       $this.$message.error('获取卖家联系方式失败')
    //       console.log(err)
    //     })
    //   }
    //   $this.showLinkBox = true
    // }, err => {
    //   $this.$message.error('获取卖家联系方式失败')
    //   console.log(err)
    // })
    $this.$http.get(`/basic/enterprise/${enuu}/tels`).then(response => {
      $this.tel = response.data.data.entel || response.data.data.adminTel
      $this.showLinkBox = true
    }, err => {
      $this.$message.error('获取卖家联系方式失败')
      throw err
    })
  } else {
    $this.$router.push(`/auth/login?returnUrl=${window.location.href}`)
  }
}

/*
* @str: 传入的字符串
* @s: 需要判断的字符串
* */
const _startWith = (str, s) => {
  let reg = new RegExp('^' + s)
  return reg.test(str)
}

/*
* @path 文件路径地址
* */
const _judgeIsPdf = (path) => {
  if (path) {
    return path.slice(path.lastIndexOf('.')).toLowerCase() === '.pdf'
  } else {
    return false
  }
}

/*
* @target 需要拷贝的对象
* */
const _deepCopy = (target) => {
  if (typeof target !== 'object') return
  // 判断目标类型，来创建返回值
  var newObj = target instanceof Array ? [] : {}
  for (var item in target) {
    // 只复制元素自身的属性，不复制原型链上的
    if (target.hasOwnProperty(item)) {
      newObj[item] = typeof target[item] === 'object' ? _deepCopy(target[item]) : target[item]
    }
  }
  return newObj
}

const _whichTransitionEvent = () => {
  let t
  let el = document.createElement('fakeelement')
  let transitions = {
    transition: 'transitionend',
    OTransition: 'oTransitionEnd',
    MozTransition: 'transitionend',
    WebkitTransition: 'webkitTransitionEnd'
  }
  for (t in transitions) {
    if (el.style[t] !== undefined) {
      return transitions[t]
    }
  }
}

/*
*  @str 剪切的字符串
*  @len 长度设置
* */
const _filterStringEllipsis = (str, len) => {
  return str ? _getRealLen(str) > len ? _cutOutString(str, len) + '...' : str : null
}

/*
* @$this 上下文
* @str 提示信息
* @isMobile 是否移动端
* */
const _setMessage = ($this, str = '系统错误', isMobile, isSuccess = false) => {
  if (isMobile) {
    $this.setRemindText(str)
  } else {
    if (isSuccess) {
      $this.$message.success(str)
    } else {
      $this.$message.error(str)
    }
  }
}

/*
* @$this 上下文
* @url 权限链接
* @callBack 回调
* @isMobile 是否移动端
* */
const _getAuthority = ($this, url, callBack, isMobile) => {
  return $this.$http.get('/user/authentication/isauthority', {params: {resUrl: url}}).then(res => {
    if (res.data.status === 'fail') {
      _setMessage($this, res.data.msg, isMobile)
    } else {
      callBack.call($this)
    }
  }, err => {
    console.log(err)
    _setMessage($this, err.response.data, isMobile)
  })
}

// 店铺类型筛选
const _storeTypeFilter = (type) => {
  let tmp = ''
  switch (type) {
    case 'CONSIGNMENT':
      tmp = '寄售'
      break
    case 'DISTRIBUTION':
      tmp = '经销'
      break
    case 'AGENCY':
      tmp = '代理'
      break
    case 'ORIGIN_FACTORY':
      tmp = '原厂'
      break
  }
  return tmp
}

const _getPriceByLevel = (prices, number, currency) => {
  let prName = currency === 'RMB' ? 'rMBPrice' : 'uSDPrice'
  for (let i = 0; i < prices.length; i++) {
    if (number >= prices[i].start && number <= prices[i].end) {
      return prices[i][prName]
    }
  }
}

const _exchangeArr = (arr, x, y) => {
  let tmp = arr[x]
  arr[x] = arr[y]
  arr[y] = tmp
}

const _filterDate = (timeStamp, type) => {
  if (type === 'day') {
    return Math.floor(timeStamp / (1000 * 60 * 60 * 24))
  } else if (type === 'hour') {
    return Math.floor((timeStamp / (1000 * 60 * 60)) % 24)
  } else if (type === 'minute') {
    return Math.floor((timeStamp / (1000 * 60)) % 60)
  }
}

const _priceFixed = (price) => {
  let arr = price.toString().split('.')
  let adder = 0
  let num = price
  if (arr[1] && arr[1].length > 2) {
    adder = 0.01
    num = Number(arr[0] + '.' + arr[1].substring(0, 2))
  }
  return Number((num + adder).toFixed(2))
}

const _onFileUpload = ($this, file) => {
  if (file && file.size > 3 * 1024 * 1024) {
    _setMessage($this, '上传文件不得超过3M', $this.isMobile)
  } else {
    let param = new FormData()
    param.append('file', file, file.name)
    param.append('chunk', '0')
    let promises = []
    if (file.type !== 'application/pdf') {
      let config = {
        headers: {'Content-Type': 'multipart/form-data'}
      }
      promises.push($this.$http.post('/api/images', param, config))
    } else {
      let config = {
        headers: {'Content-Type': file.type}
      }
      promises.push($this.$http.post('/file', param, config))
    }
    return Promise.all(promises)
  }
}

// 排除空格的空字符串
const _isEmptyStr = (str) => {
  return !str || !str.trim()
}

/*
* 获取某个时间段去除时分秒的时间戳(目前写死八点)
* @date 默认当天 Date格式
* */
const _getClearDay = (date = new Date()) => {
  return new Date(_formatDate(date, 'yyyy-MM-dd')).getTime() - 8 * 60 * 60 * 1000
}

/*
 * 获取某个时间段的23:59:59(目前写死0点)
 * @date 默认当天 Date格式
 * */
const _getFullDay = (date = new Date()) => {
  return new Date((typeof date === 'object' ? date.getTime() : date) + 23 * 60 * 60 * 1000 + 59 * 60 * 1000 + 59 * 1000)
}

export default {
  // 获取字符串字符长度
  getRealLen: _getRealLen,
  // 根据字符长度剪切字符
  cutOutString: _cutOutString,
  // 订单号转换
  enidfilter: _enidfilter,
  // 根据字符长度剪切字符串
  spliceStr: _spliceStr,
  // 格式化日期，返回字符串
  formatDate: _formatDate,
  // 检查空字符串或规定状态下空字符
  checkNullStr: _checkNullStr,
  // 联系卖家
  goLinkUser: _goLinkUser,
  // 判断字符串开头
  startWith: _startWith,
  // 根据path文件名来判断文件是否是PDF文件
  judgeIsPdf: _judgeIsPdf,
  // 深拷贝对象
  deepCopy: _deepCopy,
  whichTransitionEvent: _whichTransitionEvent,
  // 立即购买或加入购物车
  buyOrCar: _buyOrCar,
  // 截取字符长度并补充省略号
  filterStringEllipsis: _filterStringEllipsis,
  // 获取url权限
  getAuthority: _getAuthority,
  // 获得店铺类型中文名
  storeTypeFilter: _storeTypeFilter,
  // 通过分段数量获取分段价格
  getPriceByLevel: _getPriceByLevel,
  // 交换数组元素位置
  exchangeArr: _exchangeArr,
  // 根据时间戳提取天数、时、分
  filterDate: _filterDate,
  // 计算标准订单金额
  priceFixed: _priceFixed,
  // 统一通知框
  setMessage: _setMessage,
  // 文件上传
  onFileUpload: _onFileUpload,
  isEmptyStr: _isEmptyStr,
  // 获取00:00:00的时间
  getClearDay: _getClearDay,
  // 获取23:59:59的时间
  getFullDay: _getFullDay
}