nav.component.html

<script src="../../trans.pipe.spec.ts"></script>
<div class="nav">
  <ul>
    <li><a [routerLink]="['']"><img src="static/imgs/logo.png" height="26px"/></a>
    </li>
    <li *ngFor="let v of DataStore.Nav" [ngClass]="{'dropdown': v.children}">
      <a>{{v.name | trans}}</a>
      <ul [ngClass]="{'dropdown-content': v.children}">
        <li *ngFor="let vv of v.children" [ngClass]="{'disabled': vv.disable}">
          <a *ngIf="vv.href" [routerLink]="[vv.href]">{{vv.name|trans}}</a>
          <a id="{{vv.id}}" *ngIf="vv.click" (click)="click(vv.click)">{{vv.name|trans}}</a>
        </li>
      </ul>
    </li>
  </ul>
</div>