rating
NOTE
This component is supported since API version 4. Updates will be marked with a superscript to indicate their earliest API version.
The <rating> component provides a rating bar used for reviews and ratings.
Required Permissions
None
Child Components
Not supported
Attributes
In addition to the universal attributes, the following attributes are supported.
Name | Type | Default Value | Mandatory | Description |
---|---|---|---|---|
numstars | number | 5 | No | Maximum number of rating stars. |
rating | number | 0 | No | Number of stars rated. |
stepsize | number | 0.5 | No | Step to increase the rating value. |
indicator | boolean | false | No | Whether to make the rating icons as an indicator (not-editable by users). |
Styles
In addition to the universal styles, the following styles are supported.
Name | Type | Default Value | Mandatory | Description |
---|---|---|---|---|
star-background | string | - | No | Background image when a rating star is unselected. Only PNG and JPG images in a local path are supported. |
star-foreground | string | - | No | Foreground image when a rating star is selected. Only PNG and JPG images in a local path are supported. |
star-secondary | string | - | No | Secondary background image when a rating star is partially selected. This image will cover the background image and can only be a PNG or JPG image from a local path. |
width | <length>|<percentage> | 120px 60 px (cannot be edited) |
No | Image width. The default value is the width of the default image for five-star ratings. If you do not set the maximum rating value and background images of the rating stars, the default value will be used. |
height | <length>|<percentage> | 24px 12px (cannot be edited) |
No | Image height. The default value is the height of the default image for five-star ratings. If you do not set the maximum rating value and background images of the rating stars, the default value will be used. |
rtl-flip | boolean | true | No | Whether the image source is automatically flipped in the RTL text direction. |
NOTE
You must set star-background, star-secondary, and star-foreground. Otherwise, the rating star is gray, indicating that the image is set incorrectly.
Events
In addition to the universal events, the following events are supported.
Name | Parameter | Description |
---|---|---|
change | { rating: number } | Triggered when the rating value changes. |
Methods
The universal methods are supported.
Example
<!-- xxx.hml -->
<div class="container">
<rating numstars="5" rating="5" @change="changeRating" id="rating">
</rating>
</div>
/* xxx.css */
.container {
display: flex;
justify-content: center;
align-items: center;
}
rating {
width: 200px;
}
// xxx.js
import promptAction from '@ohos.promptAction';
export default {
changeRating(e){
promptAction.showToast({
message: e.rating
});
}
}