neverland 9084a662c3 [Document] add form components english document (#199)
* [Document] add english document of Checkbox

* [Document] add english document of Field

* [Document] add english document of NumberKeyboard

* [bugfix] NumberKeyboard should not dispaly title when title is empty

* [Document] add english document of PasswordInput

* [Document] add english document of Radio

* [document] add english document of Switch

* [bugfix] remove redundent styles in english document

* [Document] fix details

* fix Switch test cases
2017-10-12 07:06:27 -05:00

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<style>
.uploader-container {
padding: 5px 15px;
}
</style>
<script>
export default {
methods: {
logContent(file) {
console.log(file)
}
}
};
</script>
## Uploader 图片上传
### 使用指南
``` javascript
import { Uploader } from 'vant';
Vue.component(Uploader.name, Uploader);
```
### 代码演示
#### 基础用法
:::demo 基础用法
```html
<div class="uploader-container">
<van-uploader :after-read="logContent">
<van-icon name="photograph"></van-icon>
</van-uploader>
</div>
```
```javascript
export default {
methods: {
logContent(file) {
console.log(file)
}
}
};
```
:::
### API
| 参数 | 说明 | 类型 | 默认值 | 可选值 |
|-----------|-----------|-----------|-------------|-------------|
| resultType | 读取文件的方式以base64的方式读取以文本的方式读取 | `String` | `dataUrl` | `text` |
| disable | 是否禁用上传,在图片上传期间设置为true禁止用户点击此组件上传图片 | `Boolean` | `false` | - |
| beforeRead | 读文件之前的钩子,参数为选择的文件,若返回 false 则停止读取文件 | `Function` | - | - |
| afterRead | 文件读完之后回调此函数,参数为 { file:'选择的文件',content:'读的内容' } | `Function` | - | - |
### Slot
| name | 描述 |
|-----------|-----------|
| - | 自定义上传显示图标 |