1.在入口文件 aap.tsx
import { Events } from '@tarojs/taro'
globalData = {
event:new Events()
}
2.发射事件
function tt(){
const event = Taro.getApp()?.$app?.globalData?.event;
event.trigger('eventTest','123')
}
3.接收事件
useEffect(()=>{
const event = Taro.getApp()?.$app?.globalData?.event;
event.on('eventTest',res=>{
console.log(res,"接收")
})
})