Vue中如何处理数据的格式化和验证

<template>  <div>    <p>{{ formatDate(date) }}</p>  </div></template><script>import moment from 'moment';export default {  data() {    return {      date: '2022-01-01',    };  },  methods: {    formatDate(date) {      return moment(date).format('YYYY年MM月DD日');    },  },};</script>

<template>  <div>    <p>{{ amount | formatMoney }}</p><p><span>立即学习</span>“<a href="https://pan.quark.cn/s/cb6835dc7db1" style="text-decoration: underline !important; color: blue; font-weight: bolder;" rel="nofollow" target="_blank">前端免费学习笔记（深入）</a>”；</p>  </div></template><script>export default {  data() {    return {      amount: 1000,    };  },  filters: {    formatMoney(value) {      return value.toLocaleString();    },  },};</script>

<template>  <div>    <input v-model="name" type="text" :class="{ 'error': !validateName }" required />    <button @click="submit">提交</button>  </div></template><script>export default {  data() {    return {      name: '',    };  },  computed: {    validateName() {      return this.name.length > 0;    },  },  methods: {    submit() {      if (this.validateName) {        // 提交数据      } else {        // 提示用户输入内容      }    },  },};</script>

<template>  <div>    <input v-model="email" type="text" :class="{ 'error': $v.email.$error }" />    <button @click="submit">提交</button>  </div></template><script>import { required, email } from 'vuelidate/lib/validators';export default {  data() {    return {      email: '',    };  },  validations: {    email: {      required,      email,    },  },  methods: {    submit() {      if (!this.$v.$invalid) {        // 提交数据      } else {        // 提示用户输入正确的邮箱      }    },  },};</script>