// 模拟componentDidMount useEffect(() => { let username1 = localStorage.getItem('username') let avatar1 = localStorage.getItem('avatar') if (username1) { setUsername(username1) } if (avatar1) { setAvatar('xxxx' + avatar1) } }, [props.mykey])
模拟头像效果
// 模拟componentDidMount useEffect(() => { let username1 = localStorage.getItem('username') let avatar1 = localStorage.getItem('avatar') if (username1) { setUsername(username1) } if (avatar1) { setAvatar('xxxx' + avatar1) } }, [props.mykey])
模拟头像效果