ng2 空标签 ng4

空的循环标签

<ng-container *ngIf="v.products">
            <li class="clearfix" *ngFor="let v1 of v.products">
              <span title="{{v1.name}}">{{v1.name}}</span> <span class="btn ori-text">*{{v1.order_number}}</span>
            </li>
          </ng-container>