绑定类型的组件和foreach的正确连用方式

@Entry 
@Component 
export struct BindSheetDemo { 
  @State isShow: boolean = false 
  arr: number[] = [1, 2, 3, 4] 
  @State isHoverText: Array<boolean> = new Array<boolean>(this.arr.length).fill(false) 
 
  @Builder 
  myBuilder() { 
    Column() { 
      Button("content1") 
        .margin(10) 
        .fontSize(20) 
 
      Button("content2") 
        .margin(10) 
        .fontSize(20) 
    } 
    .width('100%') 
  } 
 
  build() { 
    Column() { 
      ForEach(this.arr, (item: number, idx: number) => { 
        Row() { 
          Text("银行卡") 
          Button("立减14元") 
            .onClick(() => { 
              this.isHoverText[idx] = true; 
            }) 
            .fontSize(15) 
            .margin(10) 
            .bindSheet(this.isHoverText[idx], this.myBuilder(), { 
              backgroundColor: Color.Gray, 
              height: SheetSize.MEDIUM, 
              showClose: true, 
              onDisappear: () => { 
                this.isHoverText[idx] = false; 
              } 
            }) 
          Checkbox() 
        }.border({ width: 1, radius: 5 }) 
      }) 
    } 
    .justifyContent(FlexAlign.Start) 
    .width('100%') 
    .height('100%') 
  } 
}