React 父组件调用子组件的方法
父组件调用子组件的方法 React v16.3.0 及以后版本使用
import React, {Component} from 'react'; export default class Parent extends Component { render() { return( <div> <Child onRef={this.onRef} /> <button onClick={this.click} >click</button> </div> ) } onRef = (ref) => { this.child = ref } click = (e) => { this.child.myName() } } class Child extends Component { componentDidMount(){ this.props.onRef(this) } myName = () => alert('xiaohesong') render() { return ('woqu') } }