caimei-authentic-www/plugins/vant.js

import Vue from 'vue'
import Vant from 'vant'
import '@vant/touch-emulator'
import 'vant/lib/index.css'

import { Toast, Dialog, Notify } from 'vant'

Vue.prototype.$toast = Toast
Vue.prototype.$dialog = Dialog
Vue.prototype.$notify = Notify

Vue.use(Vant)