获取当天日期的时间戳||日期相关的函数

墨蓝 2022-03-09 16:52 1039阅读 0赞

一、获取当天的时间戳

new Date(new Date().setHours(0, 0, 0, 0)).getTime()  //当天0点的时间戳
    new Date(new Date().setHours(23, 59, 59, 999)).getTime()  //当天24点的时间戳

二、日期相关的封装函数

import _ from 'lodash'
    
    const hiddenProperty = (() => {
      // document[hiddenProperty] 可以判断页面是否失焦
      let names = ['hidden', 'webkitHidden', 'mozHidden', 'msHidden']
      names = names.filter(e => e in document)
      return names.length > 0 ? names[0] : false
    })()
    const visibilityChangeEvent = (() => {
      if (!hiddenProperty) {
        return false
      }
      return hiddenProperty.replace(/hidden/i, 'visibilitychange') // 如果属性有前缀, 相应的事件也有前缀
    })()
    
    export default {
      // 日期格式化方法
      fmtDate (td, fmtExp) {
        if (!td) {
          return ''
        }
        const date = new Date(td)
        const 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
        }
        let dateFmt = fmtExp
        if (/(y+)/.test(dateFmt)) {
          dateFmt = dateFmt.replace(RegExp.$1, (`${date.getFullYear()}`).substr(4 - RegExp.$1.length))
        }
        for (const k in o) {
          if (new RegExp(`(${k})`).test(dateFmt)) {
            dateFmt = dateFmt.replace(RegExp.$1, (RegExp.$1.length === 1) ? (o[k]) : ((`00${o[k]}`).substr((`${o[k]}`).length)))
          }
        }
        return dateFmt
      },
      getDate (td) {
        if (td instanceof Date) {
          const dateStr = this.fmtDate(td.getTime(), 'yyyy-MM-dd')
          return new Date(dateStr).getTime() - 28800000
        }
        return null
      },
      getStartDate (td) {
        return this.getDate(td)
      },
      getEndDate (td) {
        if (td instanceof Date) {
          const dateStr = this.fmtDate(td.getTime(), 'yyyy-MM-dd')
          return new Date(dateStr).getTime() + 57600000
        }
        return null
      },
      getTodayLastTime (td) {
        if (td instanceof Date) {
          const dateStr = this.fmtDate(td.getTime(), 'yyyy-MM-dd')
          return new Date(dateStr).getTime() + 57600000 - 1
        }
        return null
      },
      isFn (fn) {
        return typeof fn === 'function'
      },
      getCookie: name => {
        const reg = new RegExp('(^| )' + name + '=([^;]*)(;|$)')
        const arr = document.cookie.match(reg)
        if (arr) {
          return unescape(arr[2])
        } else {
          return null
        }
      },
      setCookie (name, value) {
        const Days = 3000
        const exp = new Date()
        exp.setTime(exp.getTime() + Days * 24 * 60 * 60 * 1000)
        document.cookie = name + '=' + escape(value) + ';expires=' + exp.toGMTString() + ';path=/'
      },
      deleteCookie (name) {
        const exp = new Date()
        exp.setTime(exp.getTime() - 1)
        const cval = this.getCookie(name)
        if (cval != null) {
          document.cookie = `${name}=${cval};expires=${exp.toGMTString()}`
        }
      },
      hasClass (obj, cls) {
        if (obj) {
          return obj.className.match(new RegExp('(\\s|^)' + cls + '(\\s|$)'))
        }
        return null
      },
      addClass (obj, cls) {
        if (obj && !this.hasClass(obj, cls)) {
          if (obj.className) {
            obj.className += ' ' + cls
          } else {
            obj.className = cls
          }
        }
      },
      removeClass (obj, cls) {
        if (obj && this.hasClass(obj, cls)) {
          var reg = new RegExp('(\\s|^)' + cls + '(\\s|$)')
          obj.className = obj.className.replace(reg, ' ')
        }
      },
      toggleClass (obj, cls) {
        if (this.hasClass(obj, cls)) {
          this.removeClass(obj, cls)
        } else {
          this.addClass(obj, cls)
        }
      },
      formatFile (file) {
        const format = file.name.split('.').pop().toLocaleLowerCase() || ''
        let type = 'document'
        if (['gif', 'jpg', 'jpeg', 'png', 'bmp', 'webp'].indexOf(format) > -1) {
          type = 'image'
        }
        if (['mp4', 'm3u8', 'rmvb', 'avi', 'swf', '3gp', 'mkv', 'flv'].indexOf(format) > -1) {
          type = 'ios-film'
        }
        if (['mp3', 'wav', 'wma', 'ogg', 'aac', 'flac'].indexOf(format) > -1) {
          type = 'ios-musical-notes'
        }
        if (['doc', 'txt', 'docx', 'pages', 'epub', 'pdf'].indexOf(format) > -1) {
          type = 'document-text'
        }
        if (['numbers', 'csv', 'xls', 'xlsx'].indexOf(format) > -1) {
          type = 'stats-bars'
        }
        if (['keynote', 'ppt', 'pptx'].indexOf(format) > -1) {
          type = 'ios-videocam'
        }
        return type
      },
      getToken () {
        let token = this.getCookie('ssss')
        if (!token) {
          token = this.getCookie('token')
        }
        return token
      },
      isImage (items) {
        const len = items.length
        let i = 0
        let item = null
    
        while (i < len) {
          item = items[i]
          // 针对从word中粘贴来的内容
          if (item.type.includes('rtf')) return false
          if (item.type.includes('image')) {
            return item
          }
          i++
        }
        return false
      },
      // 常用的接口返回数据处理
      handleCommonResponse (i, res, fn) {
        if (res) {
          if (res.data.isSuccess) {
            fn(res.data)
          } else {
            i.$Message.error({
              content: res.data.resultMsg,
              duration: 5
            })
          }
        }
      },
      getModuleListByRequireContext (r) {
        let moduleList = []
        r.keys().forEach(key => {
          moduleList.push(r(key).default)
        })
        return moduleList
      },
      hiddenProperty,
      visibilityChangeEvent,
      isSpaces (str) {
        const barringSpace = str.replace(/\s/g, '')
        return !barringSpace
      },
      // 小时转化为毫秒  value => HH:mm
      hourConversionMs (value) {
        let colonIndex = value.indexOf(':')
        let hour = Number(value.substring(0, colonIndex))
        let minute = Number(value.substring(colonIndex + 1))
        return hour * 3600 * 1000 + minute * 60 * 1000
      },
      // 毫秒转换为小时  HH:mm => ms
      msConversionHour (value) {
        if (typeof value === 'number' && !isNaN(value)) {
          let hour = parseInt(value / (1000 * 60 * 60))
          let minute = (value % (1000 * 60 * 60)) / (1000 * 60)
          hour = hour < 10 ? '0' + hour : hour
          minute = minute < 10 ? '0' + minute : minute
          return `${hour}:${minute}`
        }
      },
      fitlerPercent (value) {
        if (!_.isNumber(value)) {
          return '未知'
        }
        return (parseFloat((value * 100).toFixed(2)) || 0) + '%'
      },
      realFormatSecond (second) {
        // 将整数转换成 时：分：秒的格式
        var secondType = typeof second
        if (secondType === 'number' || secondType === 'string') {
          second = parseInt(second)
          var hours = Math.floor(second / 3600)
          second = second - hours * 3600
          var mimute = Math.floor(second / 60)
          second = second - mimute * 60
          return hours + ':' + ('0' + mimute).slice(-2) + ':' + ('0' + second).slice(-2)
        } else {
          return '0:00:00'
        }
      }
    }