react兄弟组件之间通信

1.npm install pubsub-js

2.在页面中使用

import PubSub from 'pubsub-js'

//在接收消息之前需要销毁消息防止多次触发

PubSub.unsubscribe('val')

PubSub.subscribe('name',(mess,data)=>{

        console.log(mess,data)

})

//发布消息

import PubSub from 'pubsub-js'

PubSub.publish('name','tom')