<ion-item
  [ngClass]="{ clicked: clicked, loading: loading }"
  (click)="onClick()"
  [disabled]="disabled"
>
  <div class="card-content">
    <ion-icon [name]="iconName"></ion-icon>
    <ion-label class="card-label">{{ label }}</ion-label>
  </div>
  <ion-spinner *ngIf="loading" name="crescent" color="primary"></ion-spinner>
  <!-- 显示加载指示 -->
</ion-item>
