ant-design-vue/components/breadcrumb/index.en-US.md

category	type	title	cover
Components	Navigation	Breadcrumb	https://gw.alipayobjects.com/zos/alicdn/9Ltop8JwH/Breadcrumb.svg

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>