# Rate
### Install
```js
import Vue from 'vue';
import { Rate } from 'vant';
Vue.use(Rate);
```
## Usage
### Basic Usage
```html
```
```js
export default {
data() {
return {
value: 3,
};
},
};
```
### Custom Icon
```html
```
### Custom Style
```html
```
### Half Star
```html
```
```js
export default {
data() {
return {
value: 2.5,
};
},
};
```
### Custom Count
```html
```
### Disabled
```html
```
### Readonly
```html
```
### Change Event
```html
```
```javascript
export default {
method: {
onChange(value) {
Toast('current value:' + value);
},
},
};
```
## API
### Props
| Attribute | Description | Type | Default |
| --- | --- | --- | --- |
| v-model | Current rate | _number_ | - |
| count | Count | _number \| string_ | `5` |
| size | Icon size | _number \| string_ | `20px` |
| gutter | Icon gutter | _number \| string_ | `4px` |
| color | Selected color | _string_ | `#ee0a24` |
| void-color | Void color | _string_ | `#c8c9cc` |
| disabled-color | Disabled color | _string_ | `#c8c9cc` |
| icon | Selected icon | _string_ | `star` |
| void-icon | Void icon | _string_ | `star-o` |
| icon-prefix `v2.5.3` | Icon className prefix | _string_ | `van-icon` |
| allow-half | Whether to allow half star | _boolean_ | `false` |
| readonly | Whether to be readonly | _boolean_ | `false` |
| disabled | Whether to disable rate | _boolean_ | `false` |
| touchable | Whether to allow select rate by touch gesture | _boolean_ | `true` |
### Events
| Event | Description | Parameters |
| ------ | ------------------------- | ------------ |
| change | Emitted when rate changed | current rate |