A breadcrumb displays the current location within a hierarchy. It allows going back to states higher up in the hierarchy.
When To Use
- When the system has more than two layers in a hierarchy.
- When you need to inform the user of where they are.
- When the user may need to navigate back to a higher level.
API
Property |
Description |
Type |
Optional |
Default |
Version |
itemRender |
Custom item renderer, #itemRender="{route, params, routes, paths}" |
({route, params, routes, paths}) => vNode |
|
- |
|
params |
Routing parameters |
object |
|
- |
|
routes |
The routing stack information of router |
routes[] |
|
- |
|
separator |
Custom separator |
string|slot |
|
/ |
|
Breadcrumb.Item
Property |
Description |
Type |
Default |
Version |
href |
Target of hyperlink |
string |
- |
|
overlay |
The dropdown menu |
Menu | () => Menu |
- |
|
Events
Events Name |
Description |
Arguments |
Version |
|
click |
handler to handle click event |
(e:MouseEvent)=>void |
- |
1.5.0 |
Breadcrumb.Separator 1.5.0
Property |
Description |
Type |
Default |
Version |
- |
- |
- |
- |
- |
When using Breadcrumb.Separator
,its parent component must be set to separator=""
, otherwise the default separator of the parent component will appear.
routes
interface Route {
path: string;
breadcrumbName: string;
children?: Array<{
path: string;
breadcrumbName: string;
}>;
}
Use with browserHistory
The link of Breadcrumb item targets #
by default, you can use itemRender
to make a browserHistory
Link.
<template>
<a-breadcrumb :routes="routes">
<template #itemRender="{ route, params, routes, paths }">
<span v-if="routes.indexOf(route) === routes.length - 1">{{route.breadcrumbName}}</span>
<router-link v-else :to="paths.join('/')">{{route.breadcrumbName}}</router-link>
</template>
</a-breadcrumb>
</template>
<script lang="ts">
import { defineComponent, ref } from 'vue';
interface Route {
path: string;
breadcrumbName: string;
children?: Array<{
path: string;
breadcrumbName: string;
}>;
}
export default defineComponent({
setup() {
const routes = ref<Route[]>([
{
path: 'index',
breadcrumbName: 'home',
},
{
path: 'first',
breadcrumbName: 'first',
children: [
{
path: '/general',
breadcrumbName: 'General',
},
{
path: '/layout',
breadcrumbName: 'Layout',
},
{
path: '/navigation',
breadcrumbName: 'Navigation',
},
],
},
{
path: 'second',
breadcrumbName: 'second',
},
]);
return {
routes,
};
},
});
</script>