harmony 鸿蒙slider
slider
The <Slider> component is used to quickly adjust settings, such as the volume and brightness.
NOTE
This component is supported since API version 4. Updates will be marked with a superscript to indicate their earliest API version.
Child Components
Not supported
Attributes
Name | Type | Default Value | Mandatory | Description |
---|---|---|---|---|
min | number | 0 | No | Minimum value of the slider. |
max | number | 100 | No | Maximum value of the slider. |
value | number | 0 | No | Initial value of the slider. |
id | string | - | No | Unique ID of the component. |
style | string | - | No | Style declaration of the component. |
class | string | - | No | Style class of the component, which is used to refer to a style table. |
ref | string | - | No | Reference information of child elements, which is registered with the parent component on $refs. |
Events
Name | Parameter | Description |
---|---|---|
change | ChangeEvent | Triggered when the value changes. |
click | - | Triggered when the component is clicked. |
longpress | - | Triggered when the component is long pressed. |
swipe5+ | SwipeEvent | Triggered when a user quickly swipes on the component. |
Table 1 ChangeEvent
Attribute | Type | Description |
---|---|---|
progress(deprecated5+) | string | Current value of the slider. |
value5+ | number | Current value of the slider. |
Styles
Name | Type | Default Value | Mandatory | Description |
---|---|---|---|---|
color | <color> | #000000 | No | Background color of the slider. |
selected-color | <color> | #ffffff | No | Selected color of the slider. |
width | <length> |<percentage>5+ | - | No | Component width. If this attribute is not set, the default value 0 is used. |
height | <length> |<percentage>5+ | - | No | Component height. If this attribute is not set, the default value 0 is used. |
padding | <length> | 0 | No | Shorthand attribute to set the padding for all sides. The attribute can have one to four values: - If you set only one value, it specifies the padding for all the four sides. - If you set two values, the first value specifies the top and bottom padding, and the second value specifies the left and right padding. - If you set three values, the first value specifies the top padding, the second value specifies the left and right padding, and the third value specifies the bottom padding. - If you set four values, they respectively specify the padding for top, right, bottom, and left sides (in clockwise order). |
padding-[left|top|right|bottom] | <length> | 0 | No | Left, top, right, and bottom padding. |
margin | <length> |<percentage>5+ | 0 | No | Shorthand attribute to set the margin for all sides. The attribute can have one to four values: - If you set only one value, it specifies the margin for all the four sides. - If you set two values, the first value specifies the top and bottom margins, and the second value specifies the left and right margins. - If you set three values, the first value specifies the top margin, the second value specifies the left and right margins, and the third value specifies the bottom margin. - If you set four values, they respectively specify the margin for top, right, bottom, and left sides (in clockwise order). |
margin-[left|top|right|bottom] | <length> |<percentage>5+ | 0 | No | Left, top, right, and bottom margins. |
border-width | <length> | 0 | No | Shorthand attribute to set the margin for all sides. |
border-color | <color> | black | No | Shorthand attribute to set the color for all borders. |
border-radius | <length> | - | No | Radius of round-corner borders. |
background-color | <color> | - | No | Background color. |
display | string | flex | No | How and whether to display the box containing an element. Available values are as follows: - flex: flexible layout - none: not rendered |
[left|top] | <length> |<percentage>6+ | - | No | Edge of the element. - left: left edge position of the element. This attribute defines the offset between the left edge of the margin area of a positioned element and left edge of its containing block. - top: top edge position of the element. This attribute defines the offset between the top edge of a positioned element and that of a block included in the element. |
Example
<!-- xxx.hml -->
<div class="container">
<text>slider start value is {{startValue}}</text>
<text>slider current value is {{currentValue}}</text>
<text>slider end value is {{endValue}}</text>
<slider min="0" max="100" value="{{value}}" onchange="setvalue" style="width: 20%;height: 10%"></slider>
</div>
/* xxx.css */
.container {
flex-direction: column;
justify-content: center;
align-items: center;
width: 100%;
height: 100%;
}
// xxx.js
export default {
data: {
value: 0,
startValue: 0,
currentValue: 0,
endValue: 100,
},
setvalue(e) {
this.currentValue = e.value;
}
}
你可能感兴趣的鸿蒙文章
harmony 鸿蒙JavaScript-compatible Web-like Development Paradigm (ArkUI.Lite)
0
赞
- 所属分类: 后端技术
- 本文标签:
热门推荐
-
2、 - 优质文章
-
3、 gate.io
-
8、 golang
-
9、 openharmony
-
10、 Vue中input框自动聚焦