harmony 鸿蒙option

  • 2022-08-09
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option

NOTE

This component is supported since API version 4. Updates will be marked with a superscript to indicate their earliest API version.

When used as a child component of <select>, the <option> component is used to display items in the drop-down list.

When used as a child component of <menu>, the <option> component is used to display items in the displayed menu.

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
selected boolean - No Whether the option is the default option in the drop-down list. This attribute is available only when the parent component is <select>.
value string - Yes Value of the option, which is used as the return value of the selected event of the <select> or <menu> parent component.
The value to be displayed on the UI must be put between the start and end tags, for example,
<option value=“10”>October</option>.
icon string - No Icon resource path. This icon is displayed before the option text. The supported icon formats are JPG, PNG, and SVG.

Styles

The following styles are supported.

Name Type Default Value Mandatory Description
color &lt;color&gt; #e6000000 No Font color of the option.
font-size &lt;length&gt; 16px No Font size of the option.
allow-scale boolean true No Whether the font size changes with the system’s font size settings.
If the config-changes tag of fontSize is configured for abilities in the config.json file, the setting takes effect without application restart.
font-weight number |string normal No Font weight of the option. For details, see font-weight of the <text> component.
text-decoration string none No Text modification of an option. For details, see text-decoration of the <text> component.
font-family string sans-serif No Font family, in which fonts are separated by commas (,). Each font is set using a font name or font family name. The first font in the family or the specified custom font is used for the text.

Events

Not supported

Methods

Not supported

Example

For details, see Example in menu.

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