harmony 鸿蒙switch

2023-06-24 浏览 (602)

switch

The <switch> component is used to enable or disable a function.

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

NameTypeDefault ValueMandatoryDescription
checkedbooleanfalseNoWhether the component is checked or not.
idstring-NoUnique ID of the component.
stylestring-NoStyle declaration of the component.
classstring-NoStyle class of the component, which is used to refer to a style table.
refstring-NoReference information of child elements, which is registered with the parent component on $refs.

Events

NameParameterDescription
change{ checked: checkedValue }Triggered when the checked state changes.
click-Triggered when the component is clicked.
longpress-Triggered when the component is long pressed.
swipe5+SwipeEventTriggered when a user quickly swipes on the component.

Styles

NameTypeDefault ValueMandatoryDescription
width<length> |<percentage>5+-NoComponent width.

If this attribute is not set, the default value 0 is used.
height<length> |<percentage>5+-NoComponent height.

If this attribute is not set, the default value 0 is used.
padding<length>0NoShorthand 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>0NoLeft, top, right, and bottom padding.
margin<length> |<percentage>5+0NoShorthand 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+0NoLeft, top, right, and bottom margins.
border-width<length>0NoShorthand attribute to set the margin for all sides.
border-color<color>blackNoShorthand attribute to set the color for all borders.
border-radius<length>-NoRadius of round-corner borders.
background-color<color>-NoBackground color.
displaystringflexNoHow 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+-Noleft|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">
  <div class="box">
    <switch checked="true" @change="switchChange"></switch>
    <text>{{title}}</text>
  </div>
</div>
/* xxx.css */
.container {
  width: 100%;
  height: 100%;
  justify-content: center;
  align-items: center;
}
.box{
  width: 18%;
  height: 25%;
  flex-direction:column;
  justify-content: center;
  align-items: center;
}
// xxx.js
export default {
  data: {
      title: 'on'
  },
  switchChange(e){
      console.log(e.checked);
      if(e.checked){
          this.title="on"
      }else{
          this.title="off"
      }
  }
}

switch

你可能感兴趣的鸿蒙文章

harmony 鸿蒙JavaScript-compatible Web-like Development Paradigm (ArkUI.Lite)

harmony 鸿蒙Universal Attributes

harmony 鸿蒙Universal Events

harmony 鸿蒙Universal Styles

harmony 鸿蒙chart

harmony 鸿蒙image-animator

harmony 鸿蒙image

harmony 鸿蒙input

harmony 鸿蒙marquee

harmony 鸿蒙picker-view

  • 所属分类: 后端技术
  • 本文标签: 鸿蒙 软件
  • 版权声明: 本文链接 https://seaxiang.com/blog/a542df607b954f22992c7c779b438320