HarmonyOS 鸿蒙Next Swiper组件如何获取手动滑动过程中的偏移量 手动左右滑动swiper组件 根据滑动偏移量实现子组件放大缩小等动效；目的是为了实现动效 是否有可替代组件

@ComponentV2
@Entry
struct SwiperIndex {
  @Local listColor: Color[] = [
    Color.Pink,
    Color.Blue,
    Color.Red,
    Color.Orange,
    Color.Gray,
    Color.Green
  ]
  @Local allScale: number[] = [
    1,
    0.9,
    1,
    1,
    1,
    0.9,
  ]

  build() {
    Column() {
      Swiper() {
        ForEach(this.listColor, (color: Color, index: number) => {
          Column() {
            Text(index.toString())
          }.backgroundColor(color)
          .height('100%')
          .width('100%')
          .scale({ x: this.allScale[index], y: this.allScale[index] })
        })
      }
      .width('100%')
      .height('50%')
      .prevMargin('120vp')
      .nextMargin('120vp')
      .indicator(false)
      .customContentTransition({
        timeout: 1000,
        transition: (proxy: SwiperContentTransitionProxy) => {
          let scale = 1.0 - (Math.abs(proxy.position)) * 0.1
          this.allScale[(proxy.index)%(this.allScale.length)] = scale
        }
      })
    }.size({ width: '100%', height: '100%' })
  }
}