vue通过computed传参

template

<template>
  <div>{{amount(2)}}</div>
</template>

js

<script>
export default {
  data() {
    return {
      price: 1000
    };
  },
  computed: {
    amount() {
      return (n) => {
        return this.price.toFixed(n)
      }
    }
  }
};
</script>