@ohos.arkui.advanced.ExceptionPrompt (异常提示)

异常提示，适用于有异常需要提示异常内容的情况。

说明：

该组件从API Version 11开始支持。后续版本如有新增内容，则采用上角标单独标记该内容的起始版本。

导入模块

import { ExceptionPrompt, PromptOptions, MarginType } from '@ohos.arkui.advanced.ExceptionPrompt'

子组件

无

属性

不支持通用属性

ExceptionPrompt

ExceptionPrompt({ options: PromptOptions })

装饰器类型：@Component

系统能力： SystemCapability.ArkUI.ArkUI.Full

参数：

PromptOptions

PromptOptions定义options的类型。

系统能力： SystemCapability.ArkUI.ArkUI.Full

MarginType

MarginType定义marginType的类型。

系统能力： SystemCapability.ArkUI.ArkUI.Full

事件

支持通用事件

示例

示例1

import { ExceptionPrompt, PromptOptions, MarginType } from '@ohos.arkui.advanced.ExceptionPrompt'
@Entry
@Component
struct Index {
  @State options: PromptOptions = {
    icon: $r('sys.media.ohos_ic_public_fail'),
    tip: '异常提示',
    marginType: MarginType.DEFAULT_MARGIN,
    actionText: '设置网络',
    marginTop: 80,
    isShown:true
  }

  build() {
    Column() {
      ExceptionPrompt({
        options: this.options,
        onTipClick: () => {
            // Click the text on the left to change into the connecting state
        },
        onActionTextClick: () => {
            // Click Set Network to open the Set network pop-up interface
        },
      })
    }
  }
}

示例2

import { ExceptionPrompt, PromptOptions, MarginType } from '@ohos.arkui.advanced.ExceptionPrompt'
@CustomDialog
struct CustomDialogExample {
  @Link textValue: string
  @Link inputValue: string
  @State options: PromptOptions = {
    icon: $r('app.media.ic_public_fail'),
    tip: '异常提示！',
    marginType: MarginType.DEFAULT_MARGIN,
    actionText: '设置',
    marginTop: 5,
    isShown: true
  }
  cancel: () => void = () => {}
  confirm: () => void = () => {}
  controller: CustomDialogController
  // 若尝试在CustomDialog中传入多个其他的Controller，以实现在CustomDialog中打开另一个或另一些CustomDialog，那么此处需要将指向自己的controller放在最后
  build() {
    Column() {
      ExceptionPrompt({
        options: this.options,
      })
      TextInput({ placeholder: '', text: this.textValue }).margin({top:70}).height(60).width('90%')
        .onChange((value: string) => {
          this.textValue = value
        })
      Text('Whether to change a text?').fontSize(16).margin({ bottom: 10 })
      Flex({ justifyContent: FlexAlign.SpaceAround }) {
        Button('cancel')
          .onClick(() => {
            this.controller.close()
            this.cancel()
          }).backgroundColor(0xffffff).fontColor(Color.Black)
        Button('confirm')
          .onClick(() => {
            this.inputValue = this.textValue
            this.controller.close()
            this.confirm()
          }).backgroundColor(0xffffff).fontColor(Color.Red)
      }.margin({ bottom: 10 })
    }
  }
}
@Entry
@Component
struct Index1 {
  @State ButtomText: string = ''
  @State MAP_HEIGHT: string = '30%'
  @State duration: number = 2500
  @State tips: string = ''
  @State actionText: string = ''
  controller: TextInputController = new TextInputController()
  cancel: () => void = () => {}
  confirm: () => void = () => {}
  @State options: PromptOptions = {
    icon: $r('app.media.ic_public_fail'),
    tip: '',
    marginType: MarginType.DEFAULT_MARGIN,
    actionText: '',
    marginTop: 80,
    isShown: true
  }
  @State textValue: string = ''
  @State inputValue: string = 'click me'
  dialogController: CustomDialogController | undefined = new CustomDialogController({
    builder: CustomDialogExample({
      cancel: this.onCancel,
      confirm: this.onAccept,
      textValue: $textValue,
      inputValue: $inputValue
    }),
    cancel: this.existApp,
    autoCancel: true,
    alignment: DialogAlignment.Bottom,
    offset: { dx: 0, dy: -20 },
    gridCount: 4,
    customStyle: false
  })

  aboutToDisappear() {
    this.dialogController = undefined // 将dialogController置空
  }

  onCancel() {
    console.info('Callback when the first button is clicked')
  }

  onAccept() {
    console.info('Callback when the second button is clicked')
  }

  existApp() {
    console.info('Click the callback in the blank area')
  }

  build() {
    Column() {
      Button('Click Me')
        .width('30%')
        .margin({top:420})
        .zIndex(999)
        .onClick(()=>{
          if (this.dialogController != undefined) {
            this.dialogController.open()
          }
        })
    }
    .height('100%')
    .width('100%')

  }
}