harmony 鸿蒙CalendarPicker

2023-10-30
浏览 (474)

CalendarPicker

The <CalendarPicker> component provides a drop-down calendar for users to select a date.

NOTE

This component is supported since API version 10. Updates will be marked with a superscript to indicate their earliest API version.

Child Components

Not supported

APIs

CalendarPicker(options?: CalendarOptions)

Attributes

In addition to the universal attributes, the following attributes are supported.

Name	Type	Description
edgeAlign	alignType: CalendarAlign, offset?: Offset	How the picker is aligned with the entry component. - alignType: alignment type. Default value: CalendarAlign.END - offset: offset of the picker relative to the entry component after alignment based on the specified alignment type. Default value: {dx: 0, dy: 0}.
textStyle	PickerTextStyle	Font color, font size, and font width in the entry area.

Events

In addition to the universal events, the following events are supported.

Name	Description
onChange(callback: (value: Date) => void)	Triggered when a date is selected. value: selected date value

CalendarOptions

Name	Type	Mandatory	Description
hintRadius	number \|Resource	No	Style of the background of the selected state. Default value: The background is a circle. NOTE If the value is 0, the background is a rectangle with square corners. If the value is in the 0–16 range, the background is a rectangle with rounded corners. If the value is equal to or greater than 16, the background is a circle.
selected	Date	No	Date of the selected item. Default value: current system date

CalendarAlign

Since API version 9, this API is supported in ArkTS widgets.

Name	Description
START	The picker is left aligned with the entry component.
CENTER	The picker is center aligned with the entry component.
END	The picker is right aligned with the entry component.

Example

// xxx.ets
@Entry
@Component
struct CalendarPickerExample {
  private selectedDate: Date = new Date()
  build() {
    Column() {
      Text('Calendar date picker').fontSize(30)
      Column() {
        CalendarPicker({ hintRadius: 10, selected: this.selectedDate })
          .edgeAlign(CalendarAlign.END)
          .textStyle({ color: "#ff182431", font: { size: 20, weight: FontWeight.Normal } })
          .margin(10)
          .onChange((value) => {
            console.info("CalendarPicker onChange:" + JSON.stringify(value))
          })
      }.alignItems(HorizontalAlign.End).width("100%")
    }.width('100%').margin({top:350})
  }
}

CalendarPicker