JS 登陆页面 '记住用户' 功能

let user = 'zard'
let pw = '123ABCD'//密码base64加密 
let pw_base64 = window.btoa(pw)let data = {username: user,password: pw_base64
}let formatData = JSON.stringify(data)window.localStorage.setItem('userInfo', formatData)let userInfo = window.localStorage.getItem('userInfo')
let userInfoJson = JSON.parse(userInfo)
//base64解密
let _pw = window.atob(userInfoJson.password)