utils/tools/index.js

import convert from '../convert'
export default {
  getDateRange(n = 30, endn = 0) {
  // 获取当前日期
    var myDate = new Date(Date.now() - 1000 * 60 * 60 * 24 * endn)
    var nowY = myDate.getFullYear()
    var nowM = myDate.getMonth() + 1
    var nowD = myDate.getDate()
    var nowH = myDate.getHours() < 10 ? '0' + myDate.getHours() : myDate.getHours()
    var nowMi = myDate.getMinutes() < 10 ? '0' + myDate.getMinutes() : myDate.getMinutes()
    var nowS = myDate.getSeconds() < 10 ? '0' + myDate.getSeconds() : myDate.getSeconds()
    var enddate = nowY + '-' + (nowM < 10 ? '0' + nowM : nowM) + '-' + (nowD < 10 ? '0' + nowD : nowD) + ' ' + nowH + ':' + nowMi + ':' + nowS

    // 获取三十天前日期
    var lw = new Date(myDate - 1000 * 60 * 60 * 24 * n)
    var lastY = lw.getFullYear()
    var lastM = lw.getMonth() + 1
    var lastD = lw.getDate()
    var lastH = lw.getHours() < 10 ? '0' + lw.getHours() : lw.getHours()
    var lastMi = lw.getMinutes() < 10 ? '0' + lw.getMinutes() : lw.getMinutes()
    var lastS = lw.getSeconds() < 10 ? '0' + lw.getSeconds() : lw.getSeconds()
    var startdate = lastY + '-' + (lastM < 10 ? '0' + lastM : lastM) + '-' + (lastD < 10 ? '0' + lastD : lastD) + ' ' + lastH + ':' + lastMi + ':' + lastS

    return { startdate, enddate }
  },

  getFullFileUrl(url) {
    return url ? process.env.VUE_APP_FILE_URL + url : ''
  },
  isTypeof(option) {
    var value = Object.prototype.toString.call(option)

    if (value === '[object Undefined]') return 'undefined'
    else if (value === '[object String]') return 'string'
    else if (value === '[object Boolean]') return 'boolean'
    else if (value === '[object Number]') return 'number'
    else if (value === '[object Null]') return 'null'
    else if (value === '[object Object]') return 'object'
    else if (value === '[object Array]') return 'array'
    else if (value === '[object Date]') return 'date'
    else if (value === '[object RegExp]') return 'regexp'
    else if (value === '[object Function]') return 'function'
  },

  formateTData(date, fmt) { // 字符串
    if (date) {
      if (fmt == 'date') {
        return this.formatDate(date, 'yyyy-MM-dd')
      } else if (fmt == 'all') {
        return this.formatDate(date, 'yyyy-MM-dd hh:mm:ss')
      } else if (fmt == 'hour') {
        return this.formatDate(date, 'yyyy-MM-dd hh')
      } else if (fmt == 'time') {
        return this.formatDate(date, 'hh:mm')
      } else {
        return this.formatDate(date, 'yyyy-MM-dd hh:mm')
      }
    }

    return ''
  },
  formatDate(date, fmt = 'yyyy-MM-dd hh:mm:ss') { // date对象
    if (convert.isNull(date)) return date
    var padLeftZero = function (str) {
      return ('00' + str).substr(str.length)
    }
    if (this.isTypeof(date) === 'string') {
      let tmpDate = date.replace(/-/g, '/')
      tmpDate = tmpDate.replace(/T/g, ' ')

      date = new Date(tmpDate)
    } else if (this.isTypeof(date) == 'number') {
      date = new Date(date)
    }
    if (/(y+)/.test(fmt)) {
      fmt = fmt.replace(RegExp.$1, (date.getFullYear() + '').substr(4 - RegExp.$1.length))
    }
    const o = {
      'M+': date.getMonth() + 1,
      'd+': date.getDate(),
      'h+': date.getHours(),
      'm+': date.getMinutes(),
      's+': date.getSeconds()
    }
    for (var k in o) {
      if (new RegExp(`(${k})`).test(fmt)) {
        var str = o[k] + ''
        fmt = fmt.replace(RegExp.$1, RegExp.$1.length === 1 ? str : padLeftZero(str))
      }
    }

    return fmt
  }

}