<div>我想知道如何根據(jù)角度中的項(xiàng)目值添加動(dòng)態(tài)類名稱？例子項(xiàng)目狀態(tài)為open添加類別bg-success或項(xiàng)目狀態(tài)為pending添加類別bg-warning代碼Componentconst badgeColors = {  'Open': 'bg-primary',  'pending': 'bg-warning',  'Finished': 'bg-success',  'Expired': 'bg-danger'}HTML<div class="col-md-3" *ngFor="let item of listOfData" :key="item.id">  <div class="card">    <div class="otherClasses bg-warning"></div> <-- I need to change this static `bg-warning` to dynamic `badgeColors`  </div></div>