HarmonyOS List的divider使用

@Entry 
@Component 
struct ListDividePage { 
  @State message: string = 'Hello World'; 
  scroller: Scroller = new Scroller() 
  @State dataSource: Array<ListItemModel> = new Array() 
 
  aboutToAppear(): void { 
    let index = 0; 
    while (index<50){ 
      this.dataSource.push({"title":index.toString(),"showLine":index%2 == 0}) 
      index++ 
    } 
  } 
 
  build() { 
    Column() { 
      List({ scroller: this.scroller }) { 
        ForEach(this.dataSource, (item: ListItemModel) => { 
          ListItem() { 
            ListItemView({ item: item }) 
          } 
        }, (item: ListItemModel) => item.title) 
      }.scrollBar(BarState.Off) 
      .onScroll((scrollOffset: number, scrollState: ScrollState) => { 
 
      }) 
 
    } 
    .backgroundColor('#0D182431') 
    .width('100%') 
    .height('100%') 
  } 
} 
 
@Component 
struct ListItemView { 
   item: ListItemModel = new ListItemModel(); 
 
  build() { 
      Column(){ 
        Text("item" + this.item.title) 
          .fontSize(16) 
          .fontColor(Color.Black) 
          .height(80) 
          .width("100%") 
          .textAlign(TextAlign.Center).backgroundColor(Color.White) 
        if (this.item.showLine){ 
          Divider().strokeWidth(1).color(Color.Red) 
        } 
      }.width("100%").height(81).borderRadius(10).backgroundColor(Color.White).justifyContent(FlexAlign.SpaceBetween) 
  } 
} 
 
class  ListItemModel { 
  constructor() { 
 
  } 
  title: string = "" 
  showLine: boolean = false 
}