Question

嗨，我一直困扰着这个简单的问题，一遍又一遍地通过SO解决方案似乎并不完全适合我的用例... 我有一个角度组件，其中有一个模板，其中包含引导导航药丸，这些药丸仅用作此特定屏幕中的标签。因此，我有一个“搜索”选项卡和一个“结果”选项卡，执行搜索后，我想激活“结果”选项卡，但无法弄清楚如何从组件中插入引导选项卡。

模板...

<div id="tabs" #tabs>

  <ul class="nav nav-pills">
    <li class="nav-item">
      <a class="nav-link active" href="#search" data-toggle="tab">Search</a>
    </li>
    <li class="nav-item">
      <a class="nav-link" href="#results" data-toggle="tab">Results</a>
    </li>
  </ul>

  <div class="tab-content">
    <div class="tab-pane active" id="search">
      search screen 
      <button type="button" (click)="search()">Search</button>
    </div>
    <div class="tab-pane active" id="results">results screen</div>
  </div>

</div>

然后组件就像..

@Component({
  selector: 'app-demo',
  templateUrl: './demo.component.html'
})
export class DemoComponent implements OnInit {

  @ViewChild('tabs') tabs; 

  search() {
    //perform search. then select the results tab in template.
    //this.tabs.selectedIndex = ...
  }

}

这可能吗？还是我需要使用在组件中配置的其他选项卡。预先非常感谢。

Answer 1

使用activeTab跟踪哪个标签处于活动状态，并使用ngClass来应用.active类

component.html

<div id="tabs" #tabs>

  <ul class="nav nav-pills">
    <li class="nav-item">
      <a class="nav-link active" href="#search" [ngClass]="{ 'active':activeTab==='search'}" (click)="search('search')"
         data-toggle="tab">Search</a>
    </li>
    <li class="nav-item">
      <a class="nav-link" href="#results" [ngClass]="{ 'active':activeTab==='result'}" data-toggle="tab"
         (click)="result('result')">Results</a>
    </li>
  </ul>

  <div class="tab-content">
    <div class="tab-pane" id="search" [ngClass]="{ 'active':activeTab==='search'}">
      search screen
      <button type="button" (click)="search('result')">Search</button>
    </div>
    <div class="tab-pane" id="results" [ngClass]="{ 'active':activeTab==='result'}">results screen</div>
  </div>

</div>

component.ts

  activeTab = 'search';

  search(activeTab){
    this.activeTab = activeTab;
  }

  result(activeTab){
    this.activeTab = activeTab;
  }

Answer 2

除了 dasfdsa 答案之外，要与路由一起工作，还需要包括：

<div id="tabs" #tabs>

        <ul class="nav nav-pills">
          <li class="nav-item">
            <a class="nav-link active" href="#search" [ngClass]="{ 'active':activeTab==='search'}" (click)="search('search', $event)"
               data-toggle="tab">Search</a>
          </li>
          <li class="nav-item">
            <a class="nav-link"  href="#results" [ngClass]="{ 'active':activeTab==='result'}" data-toggle="tab"
               (click)="result('result', $event)">Results</a>
          </li>
        </ul>

        <div class="tab-content">
          <div class="tab-pane" id="search" [ngClass]="{ 'active':activeTab==='search'}">
            search screen
            <button type="button" (click)="search('result', $event)">Search</button>
          </div>
          <div class="tab-pane" id="results" [ngClass]="{ 'active':activeTab==='result'}">results screen</div>
        </div>

      </div>

search(activeTab: string, $event: MouseEvent): void{
    $event.preventDefault();
    this.activeTab = activeTab;
  }

  result(activeTab: string, $event: MouseEvent): void{
    $event.preventDefault();
    this.activeTab = activeTab;
  }

更改角度组件内的活动引导程序选项卡

2 个答案: