鸿蒙Grid使用

@Entry
@Component
struct GridExample {
  @State Number: String[] = ['0', '1', '2', '3', '4']
  scroller: Scroller = new Scroller()

  build() {
    Column({ space: 5 }) {
      Grid() {
        ForEach(this.Number, (day: string) => {
          ForEach(this.Number, (day: string) => {
            GridItem() {
              Text(day)
                .fontSize(16)
                .backgroundColor(0xF9CF93)
                .width('100%')
                .height('100%')
                .textAlign(TextAlign.Center)
            }
          }, (day: string) => day)
        }, (day: string) => day)
      }
      .columnsTemplate('1fr 1fr 1fr 1fr 1fr')
      .rowsTemplate('1fr 1fr 1fr 1fr 1fr')
      .columnsGap(10)
      .rowsGap(10)
      .width('90%')
      .backgroundColor(0xFAEEE0)
      .height(300)

      Text('scroll').fontColor(0xCCCCCC).fontSize(9).width('90%')
      Grid(this.scroller) {
        ForEach(this.Number, (day: string) => {
          ForEach(this.Number, (day: string) => {
            GridItem() {
              Text(day)
                .fontSize(16)
                .backgroundColor(0xF9CF93)
                .width('100%')
                .height(80)
                .textAlign(TextAlign.Center)
            }
          }, (day: string) => day)
        }, (day: string) => day)
      }
      .columnsTemplate('1fr 1fr 1fr 1fr 1fr')
      .columnsGap(10)
      .rowsGap(10)
      .onScrollIndex((first: number) => {
        console.info(first.toString())
      })
      .width('90%')
      .backgroundColor(0xFAEEE0)
      .height(300)


      Row({space: 20}) {
        Button('上一页')
          .onClick(() => {
            this.scroller.scrollPage({ next: false })
          })

        Button('下一页')
          .onClick(() => {
            this.scroller.scrollPage({ next: true })
          })
      }

    }.width('100%').margin({ top: 5 })
  }
}