63 lines
1.7 KiB
Vue
63 lines
1.7 KiB
Vue
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<template>
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<div class="layout-navbars-breadcrumb">
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<i class="el-icon-s-fold layout-navbars-breadcrumb-icon"></i>
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<el-breadcrumb>
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<transition-group name="breadcrumb" mode="out-in">
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<el-breadcrumb-item v-for="(v,k) in breadcrumbList" :key="v.meta.title">
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<span v-if="k === breadcrumbList.length - 1" class="layout-navbars-breadcrumb-span">{{v.meta.title}}</span>
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<a v-else @click.prevent="onBreadcrumbClick(v)">{{v.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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</div>
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</template>
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<script lang="ts">
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import { toRefs, reactive, onBeforeMount } from "vue";
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import { onBeforeRouteUpdate, useRoute, useRouter } from "vue-router";
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export default {
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name: "layoutBreadcrumb",
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setup() {
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const route = useRoute();
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const router = useRouter();
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const state = reactive({
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breadcrumbList: [{ meta: { title: "" } }], // 定义初始值，不能为空数组，否则 v-for 报错
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});
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const getBreadcrumbList = (matched: any) => {
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state.breadcrumbList = matched;
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};
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const onBreadcrumbClick = (v: object) => {
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const { redirect, path } = v;
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if (redirect) router.push(redirect);
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else router.push(path);
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};
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onBeforeMount(() => {
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state.breadcrumbList = route.matched;
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});
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onBeforeRouteUpdate((to) => {
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getBreadcrumbList(to.matched);
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});
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return {
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onBreadcrumbClick,
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...toRefs(state),
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};
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},
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};
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</script>
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<style scoped lang="scss">
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.layout-navbars-breadcrumb {
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flex: 1;
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height: inherit;
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display: flex;
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align-items: center;
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.layout-navbars-breadcrumb-icon {
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cursor: pointer;
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font-size: 18px;
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margin-right: 15px;
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}
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.layout-navbars-breadcrumb-span {
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opacity: 0.8;
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}
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}
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</style>
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