text: /**
   * Created by jiachenpan on 16/11/18.
   */
  
  export const getDateDelta = (s, e) => {
    const yearDelta = e.getFullYear() - s.getFullYear()
    const monthDelta = e.getMonth() - s.getMonth()
    const dayDelta = e.getDate() - s.getDate()
    return [yearDelta, monthDelta, dayDelta]
  }
  export const getTimeDelta = (s, e, interval) => {
    const dateSpan = e - s
    return Math.floor(dateSpan / interval)
  }
  const DateIntervalOption = {
    year: (s, e) => {
      const delta = getDateDelta(s, e)
      if (delta[0] <= 0) return delta[0]
      if (delta[1] < 0 || (delta[1] === 0 && delta[2] < 0)) return delta[0] - 1
      return delta[0]
    },
    month: (s, e) => {
      const delta = getDateDelta(s, e)
      const r = delta[0] * 12 + delta[1]
      if (delta[2] < 0) return r - 1
      return r
    },
    day: (s, e) => {
      const s_date = new Date(s.getYear(), s.getMonth(), s.getDate())
      const e_date = new Date(e.getYear(), e.getMonth(), e.getDate())
      return getTimeDelta(s_date, e_date, 24 * 3600000)
    },
    hour: (s, e) => getTimeDelta(s, e, 3600000),
    minute: (s, e) => getTimeDelta(s, e, 60000),
    second: (s, e) => getTimeDelta(s, e, 1)
  }
  /**
   *比较两个日期之间相差的天数
   *
   * @export
   * @param {Date} end
   * @param {Date} start
   * @param {Enum:DateIntervalOption} interval
   * @returns
   */
  export function datedifference(end, start, interval = 'day') {
    // start和end是2006-12-18格式
    if (!start) start = new Date()
    if (!end) end = new Date()
    start = new Date(start)
    end = new Date(end)
    const fn = DateIntervalOption[interval]
    if (!fn) return -1
    return fn(start, end)
  }
  
  export function relativeDate(d, compareTo) {
    d = new Date(d)
    let now = compareTo || new Date()
    now = new Date(now)
    const nowY = now.getFullYear()
    const dY = d.getFullYear()
    const nowM = now.getMonth() + 1
    const dM = d.getMonth() + 1
    const nowD = now.getDate()
    const dD = d.getDate()
    const sameYear = nowY === dY ? '' : `${dY}年`
    const same = !sameYear && nowM === dM
    const sameMonth = same ? '' : `${dM}月`
    const sameDay = (!sameMonth && nowD === dD) ? '' : `${dD}日`
    const result = `${sameYear}${sameMonth}${sameDay}`
    return result || compareTo || '今天'
  }
  /**
   * Parse the time to string
   * @param {(Object|string|number)} time
   * @param {string} cFormat
   * @returns {string}
   */
  export function parseTime(time, cFormat) {
    if (arguments.length === 0) {
      return null
    }
    if (time === null) return null
    const format = cFormat || '{y}-{m}-{d} {h}:{i}:{s}'
    var date = toDate(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(/{(y|m|d|h|i|s|a)+}/g, (result, key) => {
      let value = formatObj[key]
      // Note: getDay() returns 0 on Sunday
      if (key === 'a') {
        return ['日', '一', '二', '三', '四', '五', '六'][value]
      }
      if (result.length > 0 && value < 10) {
        value = '0' + value
      }
      return value || 0
    })
    return time_str
  }
  
  /**
   * 将任意时间转换为时间
   *
   * @export
   * @param {*} time
   * @returns
   */
  export function toDate(time) {
    if (typeof time === 'object') {
      return time
    } else {
      if ((typeof time === 'string') && (/^[0-9]+$/.test(time))) {
        time = parseInt(time)
      }
      if ((typeof time === 'number') && (time.toString().length === 10)) {
        time = time * 1000
      }
      return new Date(time)
    }
  }
  /**
   * @param {number} time
   * @param {string} option
   * @param {Boolean} show_time 是否显示时分
   * @returns {string}
   */
  export function formatTime(time, option, show_time) {
    time = toDate(time)
    const d = new Date(time)
    const now = Date.now()
  
    let diff = (now - d) / 1000
    const isFuture = diff < 0
    const append = isFuture ? '后' : '前'
    diff = Math.abs(diff)
    let result
    if (!isFuture && diff < 60) {
      return `${Math.floor(diff)}秒${append}`
    } else if (diff < 3600) {
      return `${Math.floor(diff / 60)}分钟${append}`
    } else if (diff < 3600 * 24) {
      return `${Math.floor(diff / 3600)}小时${append}`
    } else if (diff < 3600 * 24 * 7) {
      const day_diff = Math.abs(datedifference(now, d))
      if (day_diff === 1) {
        result = isFuture ? '明天' : '昨天'
      } else if (day_diff === 2) {
        result = isFuture ? '后天' : '前天'
      } else {
        result = `${day_diff}天${append}`
      }
      if (result && show_time) {
        const m = time.getMinutes() || '整'
        result = `${result}${time.getHours()}点${m}`
      }
      return result
    }
    return parseTime(time, option)
  }
  
  /**
   * @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} 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())
    }
  }
  /**
   * 统一将颜色值使用16进制形式表示
   * @name rgbToHex
   * @grammar rgbToHex(value) => value
   * @example
   * rgb(255,255,255)  => "#ffffff"
   */
  export function rgbToHex(value) {
    if (/rgba?/.test(value)) {
      const array = value.split(',')
      value = '#'
      for (let i = 0; array.length > i; i++) {
        const color = parseInt(array[i].replace(/[^\d]/gi, ''), 10).toString(16)
        value += color.length === 1 ? '0' + color : color
      }
      value = value.toUpperCase()
    }
    return value
  }
  /**
   * @param {Function} func
   * @param {number} wait
   * @param {boolean} immediate
   * @return {*}
   */
  export function debounce(func, wait, immediate) {
    let timeout, args, context, timestamp, result
    // var id = Math.round(Math.random() * 10000)
    // console.log('debounce build', id)
    const later = (res, rej) => {
      // 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)
      } 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) {
          // console.log('debounce exec', id)
          result = func.apply(context, args)
          if (res) res(result)
          if (!timeout) context = args = null
        }
      }
    }
  
    return (...args) => {
      context = this
      timestamp = +new Date()
      const callNow = immediate && !timeout
      return new Promise((res, rej) => {
        // console.log('debounce request', id)
        // 如果延时不存在，重新设定延时
        if (!timeout) {
          timeout = setTimeout(() => {
            later(res, rej)
          }, wait)
        }
        if (callNow) {
          result = func.apply(context, args)
          context = args = null
          res(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, ' ')
    }
  }
  