鸿蒙banner页实现

@Entry
@Component
struct Index {@State message: string = '快速入门';build() {Column() {Text(this.message).fontSize(24).fontWeight(700).width('100%').textAlign(TextAlign.Start).padding({left:16}).fontFamily('HarmonyHeiTi-Bold').lineHeight(33)Banner()}.height('100%').width('100%').backgroundColor('#F1F3F5')}
}@Preview
@Component
struct Banner {@State bannerList:Array<BannerClass> = [new BannerClass('pic0',$r('app.media.banner_pic0'),'https://developer.huawei.com/consumer/cn/training/course/video/C101718352529709527'),new BannerClass('pic1',$r('app.media.banner_pic1'),'https://developer.huawei.com/consumer/cn/'),new BannerClass('pic2',$r('app.media.banner_pic2'),'https://developer.huawei.com/consumer/cn/deveco-studio/'),new BannerClass('pic3',$r('app.media.banner_pic3'),'https://developer.huawei.com/consumer/cn/arkts/'),new BannerClass('pic4',$r('app.media.banner_pic4'),'https://developer.huawei.com/consumer/cn/arkui/'),new BannerClass('pic5',$r('app.media.banner_pic5'),'https://developer.huawei.com/consumer/cn/sdk')]build() {Swiper() {ForEach(this.bannerList,(item:BannerClass,index:number) => {Image(item.imageSrc).objectFit(ImageFit.Contain).width('100%').padding({ top:11, left:16, right:16}).borderRadius(16)},(item:BannerClass,index:number) => item.id)}.autoPlay(true).loop(true).indicator(new DotIndicator().color('#1a000000').selectedColor('#0A59F7'))}
}class BannerClass {id:string = '';imageSrc:ResourceStr = '';url:string = '';constructor(id:string,imageSrc:ResourceStr,url:string) {this.id = id;this.imageSrc = imageSrc;this.url = url;}}