npm install vee-validate --save

import VeeValidate from 'vee-validate';
import zh_CN from 'vee-validate/dist/locale/zh_CN'; //引入中文包，提示信息可以以中文形式显示
import { Validator } from 'vee-validate';

Validator.addLocale(zh_CN); // 设置提示信息中文方式显示

const config = {
 errorBagName: 'errors', 
 fieldsBagName: 'fields',
 delay: 100,  
 locale: 'zh_CN', 
 strict: true, 
 enableAutoClasses: true,
 events: 'blur', 
 inject: true
};

// 自定义提示信息
const dictionary = {
 zh_CN: {
  messages: {
   ip: () => 'ip格式不正确😯 >.<'
  }
 }
};
Validator.updateDictionary(dictionary);

// 自定义规则
Validator.extend('qq', {
 messages: {
  zh_CN:field => 'qq号码输入不正确'
 },
 validate: value => {
  return /^[1-9][0-9]{4,14}$/.test(value);
 }
});
Vue.use(VeeValidate, config); //一般插件都要use一下

<label><span>ip：</span><input v-validate="'required|email'" name="email" type="text" v-model="ip"/></label>
<span v-show="errors.first('ip')">{{ errors.first('ip') }}</span>

this.fileds.ip
 >> 获取到的对象：
{
  dirty :true
  invalid:false
  pending:false
  pristine:false
  required:true
  touched:true
  untouched:false
  valid:true
  validated:true
}