# vee-validate

‌一个基于Vue的表单验证库，‌帮助开发者实现表单数据的验证功能。‌

# vee-validate

# version

4.13.2 •

# downloads

528,506

# repository

github.com/logaretm/vee-validate

# homepage

vee-validate.logaretm.com/

# default readme

Painless Vue forms

# Features

🍞 Easy: Declarative validation that is familiar and easy to setup
🧘‍♀️ Flexible: Synchronous, Asynchronous, field-level or form-level validation
⚡️ Fast: Build faster forms faster with intuitive API and small footprint
🏏 Minimal: Only handles the complicated form concerns, gives you full control over everything else
😎 UI Agnostic: Works with native HTML elements or your favorite UI library components
🦾 Progressive: Works whether you use Vue.js as a progressive enhancement or in a complex setup
✅ Built-in Rules: Companion lib with 25+ Rules that covers most needs in most web applications
🌐 i18n: 45+ locales for built-in rules contributed by developers from all over the world

# Getting Started

# Installation

# Install with yarn

# Vue version support

The main v4 version supports Vue 3.x only, for previous versions of Vue, check the following the table

vue Version	vee-validate version	Documentation Link
2.x	2.x or 3.x	v2 or v3
3.x	4.x	v4

# Usage

vee-validate offers two styles to integrate form validation into your Vue.js apps.

# Composition API

The fastest way to create a form and manage its validation, behavior, and values is with the composition API.

Create your form with useForm and then use defineField to create your field model and props/attributes and handleSubmit to use the values and send them to an API.

<script setup>
import { useForm } from 'vee-validate';// Validation, or use `yup` or `zod`

function required(value) {
  return value ? true : 'This field is required';
}

// Create the form
const { defineField, handleSubmit, errors } = useForm({
  validationSchema: {
    field: required,
  },
});

// Define fields
const [field, fieldProps] = defineField('field');

// Submit handler
const onSubmit = handleSubmit(values => {
  // Submit to API
  console.log(values);
});
</script>

<template>
  <form @submit="onSubmit">
    <input v-model="field" v-bind="fieldProps" />
    <span>{{ errors.field }}</span>

    <button>Submit</button>
  </form>
</template>

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You can do so much more than this, for more info check the composition API documentation.

# Declarative Components

Higher-order components can also be used to build forms. Register the Field and Form components and create a simple required validator:

<script setup>
import { Field, Form } from 'vee-validate';

// Validation, or use `yup` or `zod`
function required(value) {
  return value ? true : 'This field is required';
}

// Submit handler
function onSubmit(values) {
  // Submit to API
  console.log(values);
}
</script>

<template>
  <Form v-slot="{ errors }" @submit="onSubmit">
    <Field name="field" :rules="required" />

    <span>{{ errors.field }}</span>

    <button>Submit</button>
  </Form>
</template>

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The Field component renders an input of type text by default but you can control that

# 📚 Documentation

Read the documentation and demos. https://vee-validate.logaretm.com/v4

# Credits

Inspired by Laravel's validation syntax
v4 API Inspired by Formik's
Nested path types by react-hook-form
Logo by Baianat