鸿蒙HarmonyOS - SideBarContainer 组件自学指南

@Entry
@Component
struct SideBarContainerExample {
  normalIcon: Resource = $r("app.media.startIcon")
  selectedIcon: Resource = $r("app.media.startIcon")
  @State arr: number[] = [1, 2, 3]
  @State current: number = 1

  build() {
    SideBarContainer(SideBarContainerType.Embed) {
      // 左侧导航栏
      Column() {
        ForEach(this.arr, (item: number) => {
          Column({ space: 5 }) {
            Image(this.current === item ? this.selectedIcon : this.normalIcon)
              .width(48)
              .height(48)
            Text("菜单 " + item)
              .fontSize(20)
              .fontColor(this.current === item ? '#0A59F7' : '#777')
              .fontFamily('HarmonyOS Sans')
          }
          .onClick(() => {
            this.current = item
          })
        }, (item: number) => item.toString())
      }
      .width('100%')
      .justifyContent(FlexAlign.Center)
      .alignItems(HorizontalAlign.Center)
      .backgroundColor('#F3F3F3')

      // 右侧主内容区
      Column() {
        Text(`当前内容：菜单 ${this.current}`).fontSize(24).fontWeight(FontWeight.Medium)
        Text('这是侧边栏对应的内容区，可根据选择进行切换')
          .fontSize(18)
          .margin({ top: 10 })
      }
      .padding({ top: 50, left: 20, right: 20 })
    }
    .controlButton({
      left: 12,
      top: 40,
      width: 28,
      height: 28,
      icons: {
        hidden: $r('app.media.startIcon'),
        shown: $r('app.media.startIcon'),
        switching: $r('app.media.startIcon')
      }
    })
    .sideBarWidth(180)
    .minSideBarWidth(60)
    .maxSideBarWidth(280)
    .minContentWidth(300)
    .divider({
      strokeWidth: '2vp',
      color: '#CCCCCC',
      startMargin: '6vp',
      endMargin: '6vp'
    })
    .onChange((visible: boolean) => {
      console.info('侧边栏当前状态：' + (visible ? '显示' : '隐藏'))
    })
  }
}