<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">{{
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item.meta.title
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}}</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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import { defineComponent } from 'vue';
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import { compile } from 'path-to-regexp';
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export default defineComponent({
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name: 'Breadcrumb',
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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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$route(route) {
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// if you go to the redirect page, do not update the breadcrumbs
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if (route.path.startsWith('/redirect/')) {
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return;
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}
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this.getBreadcrumb();
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}
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},
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created() {
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this.getBreadcrumb();
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},
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methods: {
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getBreadcrumb() {
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// only show routes with meta.title
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const matched = this.$route.matched.filter(item => item.meta && item.meta.title);
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// const first = matched[0];
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//
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// if (!this.isDashboard(first)) {
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// matched = [{ path: '/dashboard', 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().toLocaleLowerCase() === 'Dashboard'.toLocaleLowerCase();
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},
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pathCompile(path) {
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// To solve this problem https://github.com/PanJiaChen/vue-element-admin/issues/561
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const { params } = this.$route;
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var toPath = compile(path);
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return toPath(params);
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},
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handleLink(item) {
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const { redirect, path } = item;
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if (redirect) {
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this.$router.push(redirect);
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return;
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}
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this.$router.push(this.pathCompile(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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.el-breadcrumb__item {
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:deep(.el-breadcrumb__inner a) {
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font-weight: 400 !important;
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}
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}
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}
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</style>
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