vue 金额保留两位小数，整数补0，不足两位补0

utils/index.js

export function toFixed(num) { 
    return (Math.round(num*100)/100).toFixed(2); 
}

pages/index.vue

<template>
  <div class="container">
        {{num}}
   </div>
</template>

<script type="text/ecmascript-6">
import { toFixed } from '@/utils'
export default {
    data(){
        return{
          num:''
        };
    },
    methods:{
      let bar =1.1
      this.num=toFixed(bar)
      console.log(this.num)
      //1.10
    }
}
</script>
<style>
</style>