[英]Icon Font Accessibility: parent span with aria-label or sibling span with sr-only
[英]How to add the content `…<span class=“sr-only”>(current)</span></a>` into the HTML link when using Angular 2 **routerLink**?
只想知道使用Angular 2 routerLink
如何在单击的活动链接中包含<span class="sr-only">(current)</span>
?
例:
<ul class="nav nav-sidebar">
<li routerLinkActive="active">
<a routerLink="/dashboard">Dashboard <span class="sr-only">(current)</span></a>
</li>
<li>
<a href="">Registers</a>
</li>
<li routerLinkActive="active">
<a routerLink="/organizations">Organizations</a>
</li>
</ul>
在您的组件中,您可以添加isActiveLink
方法,例如
@Component({
selector: 'my-app',
template: `
<ul class="nav nav-sidebar">
<li routerLinkActive="active">
<a routerLink="/dashboard">
Dashboard
<span *ngIf="isActiveLink('/dashboard')" class="sr-only">(current)</span>
</a>
</li>
<li>
<a href="">Registers</a>
</li>
<li routerLinkActive="active">
<a routerLink="/organizations">
Organizations
<span *ngIf="isActiveLink('/organizations')" class="sr-only">(current)</span>
</a>
</li>
</ul>
`,
styleUrls: ['app/app.component.css'],
})
export class AppComponent {
isActiveLink(link:string) {
return this.router.isActive(link);
}
constructor(private router:Router) {}
}
如果您只想标记实际活动的路由,则可以只将routerLinkActive
添加到指令(您这样做了),它将active
类添加到锚标记,因此您可以简单地在css中设置活动链接的样式。 如果您有类似的东西:
<ul class="nav nav-sidebar">
<li routerLinkActive="active">
<a routerLink="/dashboard">Dashboard <span class="sr-only">(current)</span></a>
</li>
</ul>
您可以使用以下方法简单地设置样式:
nav-sidebar li:active {
background-color: #00CAFE;
}
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