怎样在vue中使用jquery

<template>

  <div id="app">

  </div>

</template>

<script>

  import $ from 'jquery'

  export default {

    name: 'App',

    components: {},

    data: function () {

      return {}

    },

    created:function(){

      console.log($('#app'));

    }

  }

</script>

<style>

</style>