vue中弹窗插件的应用方法（代码）

<template>
  <div class="popup-wrapper" v-show="visible" @click="hide">
    <div class="popup-text">{{text}}</div>
  </div>
</template>

export default {
  name: 'popup',
  props: {
    text: { //文字内容
      type: String,
      default: ''
    },
    time: { //显示的时长
      type: Number,
      default: 3e3
    },
  },
  data(){
    return {
      visible: false
    }
  },
  methods: {
    open() {
      this.visible = true
      clearTimeout(this.timeout);
      this.$emit('show')
      if(this.time > 0){
        this.timeout = setTimeout(() => {
          this.hide()
        }, this.time)
      }
    },
    hide() {
      this.visible = false
      this.$emit('hide')
      clearTimeout(this.timeout);
    }
  }
}

<template>
  <popup ref="popup" text="弹窗内容" :time="1e3"></popup>
</template>
<script>
import Popup from '@/components/popup'
  ...
    this.$refs.popup.open()
   ...
</script>

// plugins/popupVm.js
import Popup from '@/components/popup'
let $vm
export const factory = (Vue)=> {
  if (!$vm) {
    let Popup = Vue.extend(PopupComponent)
    $vm = new Popup({
      el: document.createElement('p')
    })
    document.body.appendChild($vm.$el)
  }
  return $vm
}

// plugins/util.js
export const setProps = ($vm, options) => {
  const defaults = {}
  Object.keys($vm.$options.props).forEach(k => {
    defaults[k] = $vm.$options.props[k].default
  })
  const _options = _.assign({}, defaults, options)
  for (let i in _options) {
    $vm.$props[i] = _options[i]
  }
}

// plugins/popupPlugin.js
import { factory } from './popupVm'
import { setProps } from './util'

export default {
  install(Vue) {
     let $vm = factory(Vue);

     const popup = {
      open(options) {
        setProps($vm, options)
        //监听事件
        typeof options.onShow === 'function' && $vm.$once('show', options.onShow);
        typeof options.onHide === 'function' && $vm.$once('hide', options.onHide);
        $vm.open();
      },
      hide() {
        $vm.hide()
      }，
      //只配置文字
      text(text) {
        this.open({ text })
      }
    }
    
    Vue.prototype.$popup = popup
  }
}

//main.js
import Vue from 'vue'
import PopupPlugin from '@/plugins/popupPlugin'

Vue.use(PopupPlugin)

<script>
  ...
    this.$popup.text('弹窗消息')
  ...
</script>