npm install vee-validate@next --save

import VeeValidate from 'vee-validate'

Vue.use(VeeValidate);

  <div>
    <label for="email">郵箱：</label>
    <input v-validate ="'required|email'" type="text" id="email" name="myEmail">
  </div>
  <span v-show="errors.has('myEmail')">{{ errors.first('myEmail')}}</span>

import zh_CN from 'vee-validate/dist/locale/zh_CN'
import { Validator } from 'vee-validate';

Validator.addLocale(zh_CN);

Vue.use(VeeValidate, {
 locale: 'zh_CN',
});

//配置
const config = {
 errorBagName: 'errors', // change if property conflicts.
 fieldsBagName: 'fields',
 delay: 0,
 locale: 'zh_CN',
 strict: true,
 enableAutoClasses: false,
 classNames: {
  touched: 'touched', // the control has been blurred
  untouched: 'untouched', // the control hasn't been blurred
  valid: 'valid', // model is valid
  invalid: 'invalid', // model is invalid
  pristine: 'pristine', // control has not been interacted with
  dirty: 'dirty' // control has been interacted with
 },
 events: 'blur',
 inject: true
};
Vue.use(VeeValidate, config);

//修改默認錯誤提示
const dictionary = {
 zh_CN: {
  messages: {
   email: () => '郵箱格式不正確哦'
  }
 }
};
Validator.updateDictionary(dictionary);

Validator.extend('qq', {
 messages: {
  zh_CN:field => 'qq號碼輸入不正確'
 },
 validate: value => {
  return /^[1-9][0-9]{4,14}$/.test(value);
 }
});