feawesome / spa-bus

import React from 'react'
import { render } from 'react-dom'
import eventEmitter from 'spa-bus'

function Child() {
  eventEmitter.emit('testEvent', '传值给父组件')

  return <div>我是子组件</div>
}

class App extends React.Component{
  constructor(props) {
    super(props)
    eventEmitter.addEventListener('testEvent', e => console.log(e))
  }

  render() {
    return (
      <div>
        <h1>我是父组件</h1>
        <Child/>
      </div>
    )
  }
}

render(<App />, document.getElementById('root'))