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