[英]Bootstrap 4 collapse navbar with Angular 4
I want to make a navbar using Bootstrap 4 and Angular 2 that collapses his content on a button when the width of the browser reaches some value. 我想使用Bootstrap 4和Angular 2创建一个导航栏,当浏览器的宽度达到某个值时,它会在按钮上折叠他的内容。 I achieve this, and when the navbar collapses I can see the button that encloses the elements in the navbar, but this button doesn't work.
我实现了这一点,当导航栏崩溃时,我可以看到包含导航栏中元素的按钮,但是这个按钮不起作用。 How can I fix this without using jquery?
如何在不使用jquery的情况下解决这个问题? I was trying to use ng-bootstrap.
我试图使用ng-bootstrap。
In the image you can see the button when the navbar collapses. 在图像中,您可以在导航栏折叠时看到按钮。
My code so far: 我的代码到目前为止:
<nav class="navbar navbar-expand-md fixed-top navbar-dark custom-nav">
<span class="navbar-brand mb-0 h1">Partes vehículos</span>
<button class="navbar-toggler" type="button">
<span class="navbar-toggler-icon"></span>
</button>
<div class="collapse navbar-collapse">
<div class="navbar-nav ml-auto">
<a class="nav-item nav-link active" *ngIf="authService.isLoggedIn()">
Usuario: {{ authService.currentUser.name }}
</a>
<a class="nav-item nav-link active" *ngIf="authService.isLoggedIn()">
Perfil: TODO
</a>
<button class="nav-item btn btn-outline-warning ml-3 mr-3">Más opciones</button>
<a class="nav-item nav-link active" routerLink="/" (click)="authService.logout()" *ngIf="authService.isLoggedIn()">
Salir
<span class="sr-only">(current)</span>
</a>
</div>
</div>
</nav>
This stackblitz shows how you can implement the Bootstrap navbar with the ngbCollapse directive from ng-bootstrap, without using jQuery. 这个stackblitz展示了如何使用ng-bootstrap中的ngbCollapse指令实现Bootstrap导航栏,而不使用jQuery。 The boolean flag
isNavbarCollapsed
is defined in the component class and its value is toggled by the button. 布尔标志
isNavbarCollapsed
在组件类中定义,其值由按钮切换。
<nav class="navbar navbar-expand-md navbar-dark bg-dark fixed-top">
...
<button class="navbar-toggler" type="button" (click)="isNavbarCollapsed = !isNavbarCollapsed">
<span class="navbar-toggler-icon"></span>
</button>
<div [ngbCollapse]="isNavbarCollapsed" class="navbar-collapse">
...
</div>
</nav>
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