<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">{{ 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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<script>
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export default {
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data() {
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return {
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levelList: null
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}
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},
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watch: {
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$route(route) {
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// if you go to the redirect page, do not update the breadcrumbs
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if (route.path.startsWith('/redirect/')) {
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return
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}
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this.getBreadcrumb()
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}
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},
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created() {
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this.getBreadcrumb()
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},
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methods: {
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getBreadcrumb() {
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// only show routes with meta.title
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let matched = this.$route.matched.filter(item => item.meta && item.meta.title)
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const first = matched[0]
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if (!this.isDashboard(first)) {
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matched = [{ path: '/index', meta: { title: '首页' }}].concat(matched)
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}
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this.levelList = matched.filter(item => item.meta && item.meta.title && item.meta.breadcrumb !== false)
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},
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isDashboard(route) {
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const name = route && route.name
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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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handleLink(item) {
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const { redirect, path } = item
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if (redirect) {
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this.$router.push(redirect)
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return
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}
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this.$router.push(path)
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}
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}
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}
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</script>
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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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