<div class="materialContainer">
  <div class="materialItem" *ngFor="let posterInfo of posterInfos;index as i"
       [routerLink]="['/material',posterInfo.itemId]" [queryParams]="{itemType:posterInfo.itemType}">
    <div>
      <img src="{{posterInfo.thumbnailPath}}" alt="" class="img-responsive">
    </div>
    <div class="title">{{posterInfo.title}}</div>
  </div>
</div>
