lighting-ui/packages/lc-captchafield/README.md

A rich interaction, lightweight, high performance UI library based on Weex

# lc-captchafield

> 带有发送验证码的输入框

## [Demo](http://res.lightyy.com/lightui/example/captchafield/?_wx_tpl=http%3A%2F%2Fres.lightyy.com%2Flightui%2Fexample%2Fcaptchafield%2Findex.native.js)

<img src="./captchafield.png" width="240"/>
<img src="./captchafield-scan.png" width="160">

## 使用方法

```vue
<template>
  <div class="wxc-demo">
    <title title="lc-captchafield"></title>

    <div class="container">

      <category title="发送验证码"></category>
      <div class="form">
        <lc-captchafield ref="input" :time=30 @sendCaptcha="sendHandler"></lc-captchafield>
      </div>

    </div>

  </div>
</template>

<style scoped>
  .wxc-demo {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: #FFFFFF;
  }
  .container{
    flex-direction: column;
    align-items: center;
  }
  .form{
    width: 600px;
  }
</style>

<script>
  import { LcCaptchafield } from '../../index';
  import Title from '../_mods/title.vue';
  import Category from '../_mods/category.vue';

  export default {
    components: { Title, Category, LcCaptchafield },
    data: () => ({
    }),
    created () {
    },
    methods: {
      sendHandler(){
        console.log('点击发送验证码');
        this.$refs['input'].countDown();
      }
    }
  };
</script>



```

### API
| Prop | Type | Required | Default | Description |
| ---- |:----:|:---:|:-------:| :----------:|
| **`placeholder`** | `String` | `N` | ` ` | `提示文本` |
| **`disabled`** | `Boolean` | `N` | `false` | `是否禁用` |
| **`autofocus`** | `Boolean` | `N` | `false` | `是否自动聚焦` |
| **`maxlength`** | `Number` | `N` | ` ` | `输入最大长度` |
| **`time`** | `Number` | `N` | `90` | `再次获取验证码的间隔时间` |
| **`sendCaptcha`** | `Function` | `Y` | ` ` | `点击获取验证码的回调函数` |

- *1：使用`this.$refs['input'].countDown()`调用组件的倒计时方法