<template>
 <!-- 通知消息提示 -->
 <div id="notify">
  <van-button type="primary" @click="toNotify" class="btn">顶部通知</van-button>
 </div>
</template>

<script>
 export default{
 data(){
  return{
  msg:''
  }
 },
 methods:{
  toNotify(){
  this.$notify({
   message:'我是提示的notify',
   background:'pink',
   duration: 1000
  })
  }
 },
 mounted() {
 
 }
 }
</script>

<style scoped="scoped">
 .btn{
 margin-top: 100px;
 }
</style>

import Notify from '../../miniprogram_npm/@vant/weapp/notify/notify';
Page({
 data: {},
 //btnSub是事件名
 btnSub() {
 Notify({ type: 'success', message: '通知'});
 }
})

"usingComponents": {
 "van-notify": "@vant/weapp/notify/index"
}