HarmonyOS API：容器组件

// xxx.ets
@Entry
@Component
struct AlphabetIndexerSample {
  private arrayA: string[] = ['安']
  private arrayB: string[] = ['卜', '白', '包', '毕', '丙']
  private arrayC: string[] = ['曹', '成', '陈', '催']
  private arrayL: string[] = ['刘', '李', '楼', '梁', '雷', '吕', '柳', '卢']
  private value: string[] = ['#', 'A', 'B', 'C', 'D', 'E', 'F', 'G',
  'H', 'I', 'J', 'K', 'L', 'M', 'N',
  'O', 'P', 'Q', 'R', 'S', 'T', 'U',
  'V', 'W', 'X', 'Y', 'Z']

  build() {
    Stack({ alignContent: Alignment.Start }) {
      Row() {
        List({ space: 20, initialIndex: 0 }) {
          ForEach(this.arrayA, (item) => {
            ListItem() {
              Text(item)
                .width('80%')
                .height('5%')
                .fontSize(30)
                .textAlign(TextAlign.Center)
            }.editable(true)
          }, item => item)

          ForEach(this.arrayB, (item) => {
            ListItem() {
              Text(item)
                .width('80%')
                .height('5%')
                .fontSize(30)
                .textAlign(TextAlign.Center)
            }.editable(true)
          }, item => item)

          ForEach(this.arrayC, (item) => {
            ListItem() {
              Text(item)
                .width('80%')
                .height('5%')
                .fontSize(30)
                .textAlign(TextAlign.Center)
            }.editable(true)
          }, item => item)

          ForEach(this.arrayL, (item) => {
            ListItem() {
              Text(item)
                .width('80%')
                .height('5%')
                .fontSize(30)
                .textAlign(TextAlign.Center)
            }.editable(true)
          }, item => item)
        }
        .width('50%')
        .height('100%')

        AlphabetIndexer({ arrayValue: this.value, selected: 0 })
          .selectedColor(0xFFFFFF) // 选中项文本颜色
          .popupColor(0xFFFAF0) // 弹出框文本颜色
          .selectedBackgroundColor(0xCCCCCC) // 选中项背景颜色
          .popupBackground(0xD2B48C) // 弹出框背景颜色
          .usingPopup(true) // 是否显示弹出框
          .selectedFont({ size: 16, weight: FontWeight.Bolder }) // 选中项字体样式
          .popupFont({ size: 30, weight: FontWeight.Bolder }) // 弹出框内容的字体样式
          .itemSize(28) // 每一项的尺寸大小
          .alignStyle(IndexerAlign.Left) // 弹出框在索引条右侧弹出
          .onSelect((index: number) => {
            console.info(this.value[index] + ' Selected!')
          })
          .onRequestPopupData((index: number) => {
            if (this.value[index] == 'A') {
              return this.arrayA // 当选中A时，弹出框里面的提示文本列表显示A对应的列表arrayA，选中B、C、L时也同样
            } else if (this.value[index] == 'B') {
              return this.arrayB
            } else if (this.value[index] == 'C') {
              return this.arrayC
            } else if (this.value[index] == 'L') {
              return this.arrayL
            } else {
              return [] // 选中其余子母项时，提示文本列表为空
            }
          })
          .onPopupSelect((index: number) => {
            console.info('onPopupSelected:' + index)
          })
      }
      .width('100%')
      .height('100%')
    }
  }
}

// xxx.ets
@Entry
@Component
struct BadgeExample {
  @Builder TabBuilder(index: number) {
    Column() {
      if (index === 2) {
        Badge({
          value: '',
          style: { badgeSize: 6, badgeColor: '#FA2A2D' }
        }) {
          Image('/common/public_icon_off.svg')
            .width(24)
            .height(24)
        }
        .width(24)
        .height(24)
        .margin({ bottom: 4 })
      } else {
        Image('/common/public_icon_off.svg')
          .width(24)
          .height(24)
          .margin({ bottom: 4 })
      }
      Text('Tab')
        .fontColor('#182431')
        .fontSize(10)
        .fontWeight(500)
        .lineHeight(14)
    }.width('100%').height('100%').justifyContent(FlexAlign.Center)
  }

  @Builder itemBuilder(value: string) {
    Row() {
      Image('common/public_icon.svg').width(32).height(32).opacity(0.6)
      Text(value)
        .width(177)
        .height(21)
        .margin({ left: 15, right: 76 })
        .textAlign(TextAlign.Start)
        .fontColor('#182431')
        .fontWeight(500)
        .fontSize(16)
        .opacity(0.9)
      Image('common/public_icon_arrow_right.svg').width(12).height(24).opacity(0.6)
    }.width('100%').padding({ left: 12, right: 12 }).height(56)
  }

  build() {
    Column() {
      Text('dotsBadge').fontSize(18).fontColor('#182431').fontWeight(500).margin(24)
      Tabs() {
        TabContent()
          .tabBar(this.TabBuilder(0))
        TabContent()
          .tabBar(this.TabBuilder(1))
        TabContent()
          .tabBar(this.TabBuilder(2))
        TabContent()
          .tabBar(this.TabBuilder(3))
      }
      .width('100%')
      .height(56)
      .backgroundColor('#F1F3F5')

      Column() {
        Text('stringBadge').fontSize(18).fontColor('#182431').fontWeight(500).margin(24)
        List({ space: 12 }) {
          ListItem() {
            Text('list1').fontSize(14).fontColor('#182431').margin({ left: 12 })
          }
          .width('100%')
          .height(56)
          .backgroundColor('#FFFFFF')
          .borderRadius(24)
          .align(Alignment.Start)

          ListItem() {
            Badge({
              value: 'New',
              position: BadgePosition.Right,
              style: { badgeSize: 16, badgeColor: '#FA2A2D' }
            }) {
              Text('list2').width(27).height(19).fontSize(14).fontColor('#182431')
            }.width(49.5).height(19)
            .margin({ left: 12 })
          }
          .width('100%')
          .height(56)
          .backgroundColor('#FFFFFF')
          .borderRadius(24)
          .align(Alignment.Start)
        }.width('95%')

        Text('numberBadge').fontSize(18).fontColor('#182431').fontWeight(500).margin(24)
        List() {
          ListItem() {
            this.itemBuilder('list1')
          }

          ListItem() {
            Row() {
              Image('common/public_icon.svg').width(32).height(32).opacity(0.6)
              Badge({
                count: 1,
                position: BadgePosition.Right,
                style: { badgeSize: 16, badgeColor: '#FA2A2D' }
              }) {
                Text('list2')
                  .width(177)
                  .height(21)
                  .textAlign(TextAlign.Start)
                  .fontColor('#182431')
                  .fontWeight(500)
                  .fontSize(16)
                  .opacity(0.9)
              }.width(240).height(21).margin({ left: 15, right: 11 })

              Image('common/public_icon_arrow_right.svg').width(12).height(24).opacity(0.6)
            }.width('100%').padding({ left: 12, right: 12 }).height(56)
          }

          ListItem() {
            this.itemBuilder('list3')
          }

          ListItem() {
            this.itemBuilder('list4')
          }
        }
        .width('95%')
        .height(232)
        .backgroundColor('#FFFFFF')
        .borderRadius(24)
        .padding({ top: 4, bottom: 4 })
        .divider({ strokeWidth: 0.5, color: 'rgba(0,0,0,0.1)', startMargin: 60, endMargin: 12 })
      }.width('100%').backgroundColor('#F1F3F5').padding({ bottom: 12 })
    }.width('100%')
  }
}