如何使用事件单击angular使旋转木马处于选中状态

<div *ngFor="let item of carouselItems" (click)="selectItem(item)">
  <!-- 旋转木马项目的内容 -->
</div>

selectedItem: any;

selectItem(item: any) {
  this.selectedItem = item;
}

<div *ngFor="let item of carouselItems" (click)="selectItem(item)" [class.selected]="item === selectedItem">
  <!-- 旋转木马项目的内容 -->
</div>

.selected {
  /* 添加选中状态的样式 */
}