cookie-util.js

//更好的方式：import Cookies from 'js-cookie'

export function delCookie (name) {
  let exp = new Date()
  exp.setTime(exp.getTime() - 1)
  var cval = getCookie(name)
  if (cval != null) {
    document.cookie = name + '=' + cval + ';expires=' + exp.toGMTString()
  }
}

export function setCookie (name, value, time) {
  var exp = new Date()
  exp.setTime(exp.getTime() + time * 1)
  document.cookie = name + '=' + escape(value) + ';expires=' + exp.toGMTString()
}

export function getCookie (name) {
  let arr = document.cookie
  let reg = new RegExp('(^| )' + name + '=([^;]*)(;|$)')
  if (arr.match(reg)) {
    return unescape(arr[2])
  } else {
    return null
  }
}