解决登录后浏览器后台Breadcrumb组件报错

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wangzhaoqiang 2021-08-14 20:16:48 +08:00
parent 5d6f134609
commit 7b6ccd9b22

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@ -1,74 +1,74 @@
<template> <template>
<el-breadcrumb class="app-breadcrumb" separator="/"> <el-breadcrumb class="app-breadcrumb" separator="/">
<transition-group name="breadcrumb"> <transition-group name="breadcrumb">
<el-breadcrumb-item v-for="(item,index) in levelList" :key="item.path"> <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> <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> <a v-else @click.prevent="handleLink(item)">{{ item.meta.title }}</a>
</el-breadcrumb-item> </el-breadcrumb-item>
</transition-group> </transition-group>
</el-breadcrumb> </el-breadcrumb>
</template> </template>
<script> <script>
export default { export default {
data() { data() {
return { return {
levelList: null levelList: null
} }
}, },
watch: { watch: {
$route(route) { $route(route) {
// if you go to the redirect page, do not update the breadcrumbs // if you go to the redirect page, do not update the breadcrumbs
if (route.path.startsWith('/redirect/')) { if (route.path.startsWith('/redirect/')) {
return return
} }
this.getBreadcrumb() this.getBreadcrumb()
} }
}, },
created() { created() {
this.getBreadcrumb() this.getBreadcrumb()
}, },
methods: { methods: {
getBreadcrumb() { getBreadcrumb() {
// only show routes with meta.title // only show routes with meta.title
let matched = this.$route.matched.filter(item => item.meta && item.meta.title) let matched = this.$route.matched.filter(item => item.meta && item.meta.title)
const first = matched[0] const first = matched[0]
if (!this.isDashboard(first)) { if (!this.isDashboard(first)) {
matched = [{ path: '/index', meta: { title: '首页' }}].concat(matched) matched = [{ path: '/index', meta: { title: '首页' }}].concat(matched)
} }
this.levelList = matched.filter(item => item.meta && item.meta.title && item.meta.breadcrumb !== false) this.levelList = matched.filter(item => item.meta && item.meta.title && item.meta.breadcrumb !== false)
}, },
isDashboard(route) { isDashboard(route) {
const name = route && route.name const name = route && route.name
if (!name) { if (!name) {
return false return false
} }
return name.trim() === '首页' return name.trim() === 'Index'
}, },
handleLink(item) { handleLink(item) {
const { redirect, path } = item const { redirect, path } = item
if (redirect) { if (redirect) {
this.$router.push(redirect) this.$router.push(redirect)
return return
} }
this.$router.push(path) this.$router.push(path)
} }
} }
} }
</script> </script>
<style lang="scss" scoped> <style lang="scss" scoped>
.app-breadcrumb.el-breadcrumb { .app-breadcrumb.el-breadcrumb {
display: inline-block; display: inline-block;
font-size: 14px; font-size: 14px;
line-height: 50px; line-height: 50px;
margin-left: 8px; margin-left: 8px;
.no-redirect { .no-redirect {
color: #97a8be; color: #97a8be;
cursor: text; cursor: text;
} }
} }
</style> </style>