React 学习——forwardRef，暴漏子组件的dom元素

父组件拿到子组件的值：使用forwardRef

import {  forwardRef,useRef } from 'react';

const Input = forwardRef((props,ref)=>{
  return 
})

const App = () => {
 const inputRef = useRef(null);
 const showRef = () => {
   console.log(inputRef.current.value);
 }
  return (
    

     
     拿到子组件的值
    
  )
}

export default App