vue全局挂载实现APP全局弹窗的示例代码

<template>
  <view
    class="transferPopup-wrap"
    style="transform: translateY(-200px)"
  >
    <view class="transferPopup-topContent">
      <text class="transferPopup-status">组内转接</text>
      <text class="transferPopup-from"
        >渠道组陈志成 将匿名客户03(厦门)转接给你</text
      >
    </view>
    <view class="transferPopup-reason">
      转接原因:该客户想购买服务，请及时接待！
    </view>
  </view>
</template>
export default {
  data () {
    return {
      timer: ''
    }
  },
  methods: {
  	openPopup () {
      setTimeout(() => {
        //transferPopup-wrap_in class的作用是translateY置为0
        document.querySelector('.transferPopup-wrap').classList.add('transferPopup-wrap_in')
      }, 0)
      //设置定时任务，三秒无操作自动消失
      this.timer = setTimeout(() => {
        this.closePopup()
      }, 3000)
    },
    closePopup () {
      //清除定时器
      clearTimeout(this.timer)
      //实现从下往上消失，隐藏后移除该元素
      document.querySelector('.transferPopup-wrap').classList.remove('transferPopup-wrap_in')
      setTimeout(() => {
        document.body.removeChild(document.querySelector('.transferPopup-wrap'))
      }, 550)
    }
  }
} 

import vue from 'vue'

// 这里就是我们刚刚创建的那个静态组件
import toastComponent from './index.vue'

// 返回一个 扩展实例构造器
const ToastConstructor = vue.extend(toastComponent)

toastComponent.install = function () {
  const toastDom = new ToastConstructor({})
  //挂载到添加的div上
  toastDom.$mount(document.createElement('div'))
  //div添加到body里
  document.body.appendChild(toastDom.$el)
  return toastDom
}

export default toastComponent

import Vue from 'vue'
import transferPopup from "@/components/transferPopup/index.js"; // 全局弹窗转接提示组件
Vue.prototype.$transferPopup = transferPopup.install;