📅  最后修改于: 2022-03-11 15:02:04.960000             🧑  作者: Mango
import React, { useState, useEffect, useRef } from 'react'
export default () => {
const [height, setHeight] = useState(0)
const ref = useRef(null)
useEffect(() => {
setHeight(ref.current.clientHeight)
})
return (
{height}
)
}