vee-validate vue 2.0自定义表单验证的实例

npm install vee-validate --save

<script src="path/to/vue.js"></script>
<script src="path/to/vee-validate.js"></script>
<script>
 Vue.use(VeeValidate); // good to go.
</script>

import Vue from 'vue';
import VeeValidate from 'vee-validate';

Vue.use(VeeValidate);

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

Validator.localize('cn', cn);

// 修改默认错误提示
const dict = {
 cn: {messages: {required: (name) => `${name}不能为空!`}} // name接受alias的值.
}
Validator.localize(dict);

Validator.extend('mobile', {
 getMessage: field => "请输入正确的手机号码",
 validate: value => value.length === 11 && /^((13|14|15|17|18)[0-9]{1}\d{8})$/.test(value)
});

<template>
 <div class="">
 <form @submit.prevent="applyCoupon" class="">
  <label class="">手机号</label>
  <p class="">
  <input v-model="phone" name="phone" :class="" type="text"
    placeholder="请输入手机号"><br>
  <span v-show="errors.has('phone')" class="error">{{ errors.first('phone') }}</span>
  </p>
  <label class="">姓名</label>
  <p class="">
  <input v-model="name" name="name" :class="" type="text"
    placeholder="请输入手机号"><br>
  <span v-show="errors.has('name')" class="error">{{ errors.first('name') }}</span>
  </p>

  <p class="">
  <button type="submit" class="" name="button">确定</button>
  </p>
 </form>
 </div>
</template>
<script>
 import VeeValidate, {Validator} from 'vee-validate';
 import cn from 'vee-validate/dist/locale/zh_CN';

 Validator.localize('cn', cn);

 const dict = {
 cn: {messages: {required: (name) => `${name}不能为空!`}}
 }
 Validator.localize(dict);

 export default {
 name: 'coupon-example',
 validator: null,
 data: () => ({
  phone: '',
  name: '',
  errors: null
 }),
 computed: {},
 methods: {
  applyCoupon() { // 提交执行函数
  this.validator.validate('name', this.name).then((result) => this.discounted = result);
  this.validator.validate('phone', this.phone).then((result) => this.discounted = result);
  }
 },
 created() {
  this.validator = new Validator({});

  Validator.extend('mobile', {
  getMessage: field => "请输入正确的手机号码",
  validate: value => value.length === 11 && /^((13|14|15|17|18)[0-9]{1}\d{8})$/.test(value)
  });
  Validator.extend('name', {
  getMessage: field => "请输入正确姓名",
  validate: value => value == 'tom'
  });

  this.validator.attach({name: 'name', rules: 'required|name', alias: '姓名'});
  this.validator.attach({name: 'phone', rules: 'required|mobile', alias: '手机'});
  // 使用attach以FieldOptions作为其第一个参数的方法添加验证规则。

  this.$set(this, 'errors', this.validator.errors);
 }
 };
</script>
<style>
 .error {
 font-size: 12px;
 color: #ff1c13;
 }
</style>