父组件
import React from 'react'
import '../page1/header.css'import { Table } from 'antd'import Child from './child'//引入的子组件export default class Header extends React.Component{
constructor(){ super() this.state = {mess:"我是父组件",
}
}
return (
<div><Child msg = {this.state.mess} />
</div>
)子组件
import React from 'react'
export default class Header extends React.Component{
constructor(props){ super(props) } render(){ console.log(this.props.msg)//通过 this.props.msg接受 return ( <div className="header"> <h5>子组件:{this.props.msg}</h5> </div> ) }}