<script setup lang="ts">
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import { RouteLocationMatched } from 'vue-router'
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const route = useRoute();
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const router = useRouter();
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const levelList = ref<RouteLocationMatched[]>([])
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const getBreadcrumb = () => {
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// only show routes with meta.title
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let matched = route.matched.filter(item => item.meta && item.meta.title);
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const first = matched[0]
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// 判断是否为首页
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if (!isDashboard(first)) {
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matched = ([{ path: '/index', meta: { title: '首页' } }] as any).concat(matched)
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}
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levelList.value = matched.filter(item => item.meta && item.meta.title && item.meta.breadcrumb !== false)
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}
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const isDashboard = (route: RouteLocationMatched) => {
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const name = route && route.name as string
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if (!name) {
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return false
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}
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return name.trim() === 'Index'
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}
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const handleLink = (item: RouteLocationMatched) => {
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const { redirect, path } = item
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redirect ? router.push(redirect as string) : router.push(path)
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}
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watchEffect(() => {
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// if you go to the redirect page, do not update the breadcrumbs
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if (route.path.startsWith('/redirect/')) return
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getBreadcrumb()
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})
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onMounted(() => {
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getBreadcrumb();
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})
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</script>
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<template>
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<el-breadcrumb class="app-breadcrumb" separator="/">
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<transition-group name="breadcrumb">
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<el-breadcrumb-item v-for="(item, index) in levelList" :key="item.path">
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<span v-if="item.redirect === 'noRedirect' || index == levelList.length - 1" class="no-redirect">{{
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item.meta?.title }}</span>
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<a v-else @click.prevent="handleLink(item)">{{ item.meta?.title }}</a>
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</el-breadcrumb-item>
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</transition-group>
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</el-breadcrumb>
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</template>
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<style lang="scss" scoped>
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.app-breadcrumb.el-breadcrumb {
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display: inline-block;
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font-size: 14px;
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line-height: 50px;
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margin-left: 8px;
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.no-redirect {
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color: #97a8be;
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cursor: text;
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}
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}
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</style>
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