Files
vue3-element-admin/src/components/Breadcrumb/index.vue
2021-12-12 19:57:32 +08:00

108 lines
2.7 KiB
Vue

<template>
<el-breadcrumb
class="app-breadcrumb"
separator-class="el-icon-arrow-right"
>
<transition-group name="breadcrumb">
<el-breadcrumb-item
v-for="(item, index) in breadcrumbs"
:key="item.path"
>
<span
v-if="item.redirect === 'noredirect' || index === breadcrumbs.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 lang="ts">
import { defineComponent, onBeforeMount, reactive, toRefs, watch } from 'vue'
import { useRoute, RouteLocationMatched } from 'vue-router'
import { compile } from 'path-to-regexp'
import router from '@/router'
export default defineComponent({
setup() {
const currentRoute = useRoute()
const pathCompile = (path: string) => {
const { params } = currentRoute
const toPath = compile(path)
return toPath(params)
}
const state = reactive({
breadcrumbs: [] as Array<RouteLocationMatched>,
getBreadcrumb: () => {
let matched = currentRoute.matched.filter((item) => item.meta && item.meta.title)
const first = matched[0]
if (!state.isDashboard(first)) {
matched = [{ path: '/dashboard', meta: { title: '首页' } } as any].concat(matched)
}
state.breadcrumbs = matched.filter((item) => {
return item.meta && item.meta.title && item.meta.breadcrumb !== false
})
},
isDashboard(route: RouteLocationMatched) {
const name = route && route.name
if (!name) {
return false
}
return name.toString().trim().toLocaleLowerCase() === 'Dashboard'.toLocaleLowerCase()
},
handleLink(item: any) {
const { redirect, path } = item
if (redirect) {
router.push(redirect).catch((err) => {
console.warn(err)
})
return
}
router.push(pathCompile(path)).catch((err) => {
console.warn(err)
})
}
})
watch(() => currentRoute.path, (path) => {
if (path.startsWith('/redirect/')) {
return
}
state.getBreadcrumb()
})
onBeforeMount(() => {
state.getBreadcrumb()
})
return {
...toRefs(state)
}
}
})
</script>
<style lang="scss" scoped>
.el-breadcrumb__inner,
.el-breadcrumb__inner a {
font-weight: 400 !important;
}
.app-breadcrumb.el-breadcrumb {
display: inline-block;
font-size: 14px;
line-height: 50px;
margin-left: 8px;
.no-redirect {
color: #97a8be;
cursor: text;
}
}
</style>