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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## Layout
Quickly and easily create layouts with `van-row` and `van-col`
### Install
``` javascript
import { Row, Col } from 'vant';
Vue.component(Row.name, Row);
Vue.component(Col.name, Col);
```
### Usage
#### Basic Usage
Layout are based on 24-column. The attribute `span` in `Col` means the number of column the grid spans. Of course, You can use `offset` attribute to set number of spacing on the left side of the grid.
:::demo Basic Usage
```html
<van-row>
<van-col span="8">span: 8</van-col>
<van-col span="8">span: 8</van-col>
<van-col span="8">span: 8</van-col>
</van-row>
<van-row>
<van-col span="4">span: 4</van-col>
<van-col span="10" offset="4">offset: 4, span: 10</van-col>
<van-col span="6">span: 6</van-col>
</van-row>
<van-row>
<van-col offset="12" span="12">offset: 12, span: 12</van-col>
</van-row>
```
:::
#### Column Spacing
Set grid spacing using `gutter` attribute. The default value is 0
:::demo Column Spacing
```html
<van-row gutter="20">
<van-col span="8">span: 8</van-col>
<van-col span="8">span: 8</van-col>
<van-col span="8">span: 8</van-col>
</van-row>
```
:::
### API
#### Row
| Attribute | Description | Type | Default | Accepted Values |
|-----------|-----------|-----------|-------------|-------------|
| gutter | grid spacingpx | `String | Number` | - | - |
| prefix | className prefix | `String` | `van` | - |
#### Column
| Attribute | Description | Type | Default | Accepted Values |
|-----------|-----------|-----------|-------------|-------------|
| span | number of column the grid spans | `String | Number` | - | - |
| offset | number of spacing on the left side of the grid | `String | Number` | - | - |
| prefix | className prefix | `String` | `van` | - |