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<template>
<el-breadcrumb class="app-breadcrumb" separator="/">
<transition-group name="breadcrumb">
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<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
>
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<a v-else @click.prevent="handleLink(item)">{{ item.meta.title }}</a>
</el-breadcrumb-item>
</transition-group>
</el-breadcrumb>
</template>
<script>
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import pathToRegexp from "path-to-regexp";
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export default {
data() {
return {
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levelList: null,
};
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},
watch: {
$route() {
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this.getBreadcrumb();
},
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},
created() {
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this.getBreadcrumb();
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},
methods: {
getBreadcrumb() {
// only show routes with meta.title
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let matched = this.$route.matched.filter(
(item) => item.meta && item.meta.title
);
const first = matched[0];
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if (!this.isMain(first)) {
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matched = [{ path: "/", meta: { title: "主页" } }].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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isMain(route) {
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() === "main".toLocaleLowerCase();
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},
pathCompile(path) {
// To solve this problem https://github.com/PanJiaChen/vue-element-admin/issues/561
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const { params } = this.$route;
var toPath = pathToRegexp.compile(path);
return toPath(params);
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},
handleLink(item) {
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const { redirect, path } = item;
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if (redirect) {
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this.$router.push(redirect);
return;
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}
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this.$router.push(this.pathCompile(path));
},
},
};
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</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>
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