gitHub 地址:https://github.com/baianat/vee-validate
官网API 地址:https://baianat.github.io/vee-validate/api/
配置
先下载到项目 npm install vee-validate --save
封装一个自定义指令,方便后面使用
import {Validator, install as VeeValidate} from ‘vee-validate‘;
import {required, min, max, excluded, included} from ‘vee-validate/dist/rules.esm.js‘;
import {messages, rules} from ‘@/util‘;
import ‘@/assets/style/validation.sass‘;
export default function install(Vue) {
Validator.extend(‘required‘, required);
Validator.extend(‘min‘, min);
Validator.extend(‘max‘, max);
Validator.extend(‘excluded‘, excluded);
Validator.extend(‘included‘, included);
Vue.use(VeeValidate, {
locale: ‘cn‘,
dictionary: {
cn: {messages}
},
classes: [‘invalid‘],
fieldsBagName: ‘xfields‘
});
for (let key in rules) {
key && Validator.extend(key, rules[key]);
}
}
更多配置参考 https://baianat.github.io/vee-validate/configuration.html
util.js 下面放一些自定义的规则,列如
import {included} from ‘vee-validate/dist/rules.esm.js‘;
export const messages = {
required: field => `${field}为必填项`,
max: (field, len) => `${field}长度不可多于${len}`,
min: (field, len) => `${field}长度最多${len}`
};
export const rules = {
phone: {
getMessage: () => ‘手机号码格式不正确‘,
validate: value => /^(?=\d{11}$)^1(?:3\d|4[57]|5[^4\D]|66|7[^249\D]|8\d|9[89])\d{8}$/.test(value)
},
email: {
getMessage: field => `${field}格式不正确`,
validate: email
},
phoneExcluded: {
getMessage: () => ‘手机号码格式不正确‘,
validate: (value, args) => {
return included(value, args) || /^(?=\d{11}$)^1(?:3\d|4[57]|5[^4\D]|66|7[^249\D]|8\d|9[89])\d{8}$/.test(value) // eslint-disable-line
}
},
}
在vue中使用方法,例如
<el-input v-model="form.successTextPrompt" v-validate="{required: true, max: 20}" data-vv-as="文字提示" data-vv-name="successTextPrompt" placeholder="请输入" /> <span class="error-msg" v-show="errors.has(‘successTextPrompt‘)">{{ errors.first(‘successTextPrompt‘) }}</span>
methods: {
submit() {
this.$validator.validateAll().then(valid => {
if (valid) {
// 校验成功
}
}
} }
原文:https://www.cnblogs.com/shenjp/p/9534560.html