133.HarmonyOS NEXT系列教程之3D立方体旋转轮播案例讲解（四）：MySwiperItem类实现

export class MySwiperItem {
    title: string;
    subTitle: string;
    image: Resource;

    constructor(title: string, subTitle: string, image: Resource) {
        this.title = title;
        this.subTitle = subTitle;
        this.image = image;
    }
}

title: string;

subTitle: string;

image: Resource;

constructor(title: string, subTitle: string, image: Resource) {
    this.title = title;
    this.subTitle = subTitle;
    this.image = image;
}

const swiperItem = new MySwiperItem(
    "主标题",
    "副标题说明",
    $r('app.media.banner_image')
);

const swiperItems: MySwiperItem[] = [
    new MySwiperItem(
        "第一项",
        "第一项描述",
        $r('app.media.image1')
    ),
    new MySwiperItem(
        "第二项",
        "第二项描述",
        $r('app.media.image2')
    )
];

const controller = new CubeSwiperController();

// 设置轮播数据
controller.setData(swiperItems);

// 添加新的轮播项
controller.pushData(new MySwiperItem(
    "新项目",
    "新项目描述",
    $r('app.media.new_image')
));

constructor(title: string, subTitle: string, image: Resource) {
    // 添加数据验证
    if (!title) {
        throw new Error('Title is required');
    }
    if (!image) {
        throw new Error('Image is required');
    }
    
    this.title = title;
    this.subTitle = subTitle || '';  // 提供默认值
    this.image = image;
}