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3.6 KiB
category | type | title | cover | coverDark |
---|---|---|---|---|
Components | Navigation | Breadcrumb | https://mdn.alipayobjects.com/huamei_7uahnr/afts/img/A*I5a2Tpqs3y0AAAAAAAAAAAAADrJ8AQ/original | https://mdn.alipayobjects.com/huamei_7uahnr/afts/img/A*Tr90QKrE_LcAAAAAAAAAAAAADrJ8AQ/original |
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 toseparator=""
, 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>