ruoyiUI-vue3/src/components/Breadcrumb/index.vue

96 lines
2.6 KiB
Vue

<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>
import usePermissionStore from '@/store/modules/permission'
const route = useRoute()
const router = useRouter()
const permissionStore = usePermissionStore()
const levelList = ref([])
function getBreadcrumb() {
// only show routes with meta.title
let matched = []
const pathNum = findPathNum(route.path)
// multi-level menu
if (pathNum > 2) {
const reg = /\/\w+/gi
const pathList = route.path.match(reg).map((item, index) => {
if (index !== 0) item = item.slice(1)
return item
})
getMatched(pathList, permissionStore.sidebarRouters, matched)
} else {
matched = route.matched.filter((item) => item.meta && item.meta.title)
}
// 判断是否为首页
if (!isDashboard(matched[0])) {
matched = [{ path: "/index", meta: { title: "首页" } }].concat(matched)
}
levelList.value = matched.filter(item => item.meta && item.meta.title && item.meta.breadcrumb !== false)
}
function findPathNum(str, char = "/") {
let index = str.indexOf(char)
let num = 0
while (index !== -1) {
num++
index = str.indexOf(char, index + 1)
}
return num
}
function getMatched(pathList, routeList, matched) {
let data = routeList.find((item) => item.path == pathList[0])
matched.push(data)
if (data.children && pathList.length) {
pathList.shift()
getMatched(pathList, data.children, matched)
}
}
function isDashboard(route) {
const name = route && route.name
if (!name) {
return false
}
return name.trim() === 'Index'
}
function handleLink(item) {
const { redirect, path } = item
if (redirect) {
router.push(redirect)
return
}
router.push(path)
}
watchEffect(() => {
// if you go to the redirect page, do not update the breadcrumbs
if (route.path.startsWith('/redirect/')) {
return
}
getBreadcrumb()
})
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>