HarmonyOS鸿蒙Next中Swiper组件可以实现下面的渲染模式吗?

可以使用customContentTransition(transition: SwiperContentAnimatedTransition)方法，自定义Swiper页面切换动画。在页面跟手滑动和离手后执行切换动画的过程中，会对视窗内所有页面逐帧触发回调，可以在回调中设置透明度、缩放比例、位移等属性来自定义切换动画。

参考示例4：对视窗内所有页面逐帧回调transition，在回调中修改opacity、scale、translate、zIndex等属性值，实现自定义动画。调整zIndex实现堆叠效果。

// xxx.ets
import { CommonUtil } from '../common/CommonUtil';

@Entry
@Component
struct SwiperCustomAnimationExample {
  private DISPLAY_COUNT: number = 2;
  private MIN_SCALE: number = 0.75;

  @State backgroundColors: Color[] = [Color.Green, Color.Blue, Color.Yellow, Color.Pink, Color.Gray, Color.Orange];
  @State opacityList: number[] = [];
  @State scaleList: number[] = [];
  @State translateList: number[] = [];
  @State zIndexList: number[] = [];

  aboutToAppear(): void {
    for (let i = 0; i < this.backgroundColors.length; i++) {
      this.opacityList.push(1.0);
      this.scaleList.push(1.0);
      this.translateList.push(0.0);
      this.zIndexList.push(0);
    }
  }

  build() {
    Column() {
      Swiper() {
        ForEach(this.backgroundColors, (backgroundColor: Color, index: number) => {
          Text(index.toString()).width('100%').height('100%').fontSize(50).textAlign(TextAlign.Center)
            .backgroundColor(backgroundColor)
            // 自定义动画变化透明度、缩放页面、抵消系统默认位移、渲染层级等
            .opacity(this.opacityList[index])
            .scale({ x: this.scaleList[index], y: this.scaleList[index] })
            .translate({ x: this.translateList[index] })
            .zIndex(this.zIndexList[index])
        })
      }
      .height(300)
      .indicator(false)
      .displayCount(this.DISPLAY_COUNT, true)
      .customContentTransition({
        // 页面移除视窗时超时1000ms下渲染树
        timeout: 1000,
        // 对视窗内所有页面逐帧回调transition，在回调中修改opacity、scale、translate、zIndex等属性值，实现自定义动画
        transition: (proxy: SwiperContentTransitionProxy) => {
          if (!CommonUtil.getIsRTL()) {
            if (proxy.position <= proxy.index % this.DISPLAY_COUNT || proxy.position >= this.DISPLAY_COUNT + proxy.index % this.DISPLAY_COUNT) {
              // 同组页面往左滑或往右完全滑出视窗外时，重置属性值
              this.opacityList[proxy.index] = 1.0;
              this.scaleList[proxy.index] = 1.0;
              this.translateList[proxy.index] = 0.0;
              this.zIndexList[proxy.index] = 0;
            } else {
              // 同组页面往右滑且未滑出视窗外时，对同组中左右两个页面，逐帧根据position修改属性值，实现两个页面往Swiper中间靠拢并透明缩放的自定义切换动画
              if (proxy.index % this.DISPLAY_COUNT === 0) {
                this.opacityList[proxy.index] = 1 - proxy.position / this.DISPLAY_COUNT;
                this.scaleList[proxy.index] = this.MIN_SCALE + (1 - this.MIN_SCALE) * (1 - proxy.position / this.DISPLAY_COUNT);
                this.translateList[proxy.index] = -proxy.position * proxy.mainAxisLength + (1 - this.scaleList[proxy.index]) * proxy.mainAxisLength / 2.0;
              } else {
                this.opacityList[proxy.index] = 1 - (proxy.position - 1) / this.DISPLAY_COUNT;
                this.scaleList[proxy.index] = this.MIN_SCALE + (1 - this.MIN_SCALE) * (1 - (proxy.position - 1) / this.DISPLAY_COUNT);
                this.translateList[proxy.index] = -(proxy.position - 1) * proxy.mainAxisLength - (1 - this.scaleList[proxy.index]) * proxy.mainAxisLength / 2.0;
              }
              this.zIndexList[proxy.index] = -1;
            }
          } else {
            // 适配镜像
            if (proxy.position >= -proxy.index % this.DISPLAY_COUNT || proxy.position <= -this.DISPLAY_COUNT - proxy.index % this.DISPLAY_COUNT) {
              // 同组页面往右滑或往左完全滑出视窗外时，重置属性值
              this.opacityList[proxy.index] = 1.0;
              this.scaleList[proxy.index] = 1.0;
              this.translateList[proxy.index] = 0.0;
              this.zIndexList[proxy.index] = 0;
            } else {
              // 同组页面往左滑且未滑出视窗外时，对同组中左右两个页面，逐帧根据position修改属性值，实现两个页面往Swiper中间靠拢并透明缩放的自定义切换动画
              if (proxy.index % this.DISPLAY_COUNT === 0) {
                this.opacityList[proxy.index] = 1 + proxy.position / this.DISPLAY_COUNT;
                this.scaleList[proxy.index] = this.MIN_SCALE + (1 - this.MIN_SCALE) * (1 + proxy.position / this.DISPLAY_COUNT);
                this.translateList[proxy.index] = -proxy.position * proxy.mainAxisLength - (1 - this.scaleList[proxy.index]) * proxy.mainAxisLength / 2.0;
              } else {
                this.opacityList[proxy.index] = 1 + (proxy.position + 1) / this.DISPLAY_COUNT;
                this.scaleList[proxy.index] = this.MIN_SCALE + (1 - this.MIN_SCALE) * (1 + (proxy.position + 1) / this.DISPLAY_COUNT);
                this.translateList[proxy.index] = -(proxy.position + 1) * proxy.mainAxisLength + (1 - this.scaleList[proxy.index]) * proxy.mainAxisLength / 2.0;
              }
              this.zIndexList[proxy.index] = -1;
            }
          }
        }
      })
      .onContentDidScroll((selectedIndex: number, index: number, position: number, mainAxisLength: number) => {
        // 监听Swiper页面滑动事件，在该回调中可以实现自定义导航点切换动画等
        console.info("onContentDidScroll selectedIndex: " + selectedIndex + ", index: " + index + ", position: " + position + ", mainAxisLength: " + mainAxisLength);
      })
    }.width('100%')
  }
}