垮组件方法调用

eventBus.js

import Vue from 'vue';
const EventBus = new Vue()
export { EventBus }

navHead.vue（收到通知 触发orderService.vue中的列表）

import {EventBus} from '@/utils/eventBus.js'

EventBus.$emit('upTable')

orderService.vue

import {EventBus} from '@/utils/eventBus.js'

created() {
        EventBus.$on('upTable', () => {this.getList(1)
        })
    },