react hooks 父子组件传值通讯

import React, { useState, useRef, useEffect, } from “react”;
import { Button, Select } from “antd”;
import Chind from ‘./component/index1’
//父组件

export default function App(Props) {
   
    const onRef=useRef()//获取组件ref
    const dispatch = useDispatch()
    const handelRoute=()=>{
   //父组件调用子组件的方法
           onRef.current.onRadry('我是你儿子A')//可以同时传参给子组件
           onRef.current.onChange('我是你儿子B')//可以同时传参给子组件
    }
    const