#鸿蒙通关秘籍#如何双向绑定TabBar组件和Tab组件的数据？

@Component
struct TabSheetComponent {
  @Link tabArray: Array<number>
  @Link focusIndex: number

  build() {
    ...
  }
}
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@Component
struct HandleTabs {
  @State tabArray: Array<number> = [0];
  @State focusIndex: number = 0;

  build() {
    TabSheetComponent({ tabArray: $tabArray, focusIndex: $focusIndex })
    Tabs({ index: this.focusIndex }) {
      ForEach(this.tabArray,()=>{
        ...
      })
    }
  }
}
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