vue3引入mitt(eventBus)
版本
"mitt": "^3.0.1"
1、npm install mitt
2、项目下创建文件夹eventBus 建 myEventBus.js
import mitt from 'mitt'
export default mitt()

3、组件里监听
组件A
import myEventBus from "../eventBus/myEventBus";
myEventBus.on('closeVisit',()=>{ // closeVisit 名称
// 逻辑
closeOpen()
})

组件B
import myEventBus from "../eventBus/myEventBus";
myEventBus.emit('closeVisit')

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