// 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
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