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- <script setup lang="ts">
- import path from 'path-browserify';
- import { isExternal } from '@/utils/index';
- import AppLink from './Link.vue';
- import SvgIcon from '@/components/SvgIcon/index.vue';
- const props = defineProps({
- /**
- * 路由(eg:level_3_1)
- */
- item: {
- type: Object,
- required: true
- },
- /**
- * 父层级完整路由路径(eg:/level/level_3/level_3_1)
- */
- basePath: {
- type: String,
- required: true
- }
- });
- const onlyOneChild = ref(); // 临时变量,唯一子路由
- /**
- * 判断当前路由是否只有一个子路由
- *
- * 1:如果只有一个子路由: 返回 true
- * 2:如果无子路由 :返回 true
- *
- * @param children 子路由数组
- * @param parent 当前路由
- */
- function hasOneShowingChild(children = [], parent: any) {
- // 需要显示的子路由数组
- const showingChildren = children.filter((item: any) => {
- if (item.meta?.hidden) {
- return false; // 过滤不显示的子路由
- } else {
- onlyOneChild.value = item; // 唯一子路由赋值(多个子路由情况 onlyOneChild 变量是用不上的)
- return true;
- }
- });
- // 1:如果只有一个子路由, 返回 true
- if (showingChildren.length === 1) {
- return true;
- }
- // 2:如果无子路由, 复制当前路由信息作为其子路由,满足只拥有一个子路由的条件,所以返回 true
- if (showingChildren.length === 0) {
- onlyOneChild.value = { ...parent, path: '', noShowingChildren: true };
- return true;
- }
- return false;
- }
- /**
- * 解析路径
- *
- * @param routePath 路由路径
- */
- function resolvePath(routePath: string) {
- if (isExternal(routePath)) {
- return routePath;
- }
- if (isExternal(props.basePath)) {
- return props.basePath;
- }
- // 完整路径 = 父级路径(/level/level_3) + 路由路径
- const fullPath = path.resolve(props.basePath, routePath); // 相对路径 → 绝对路径
- return fullPath;
- }
- </script>
- <template>
- <div v-if="!item.meta || !item.meta.hidden">
- <!-- 只包含一个子路由节点的路由,显示其【唯一子路由】 -->
- <template v-if="hasOneShowingChild(item.children, item) && (!onlyOneChild.children || onlyOneChild.noShowingChildren)">
- <app-link v-if="onlyOneChild.meta" :to="resolvePath(onlyOneChild.path)">
- <el-menu-item :index="resolvePath(onlyOneChild.path)">
- <svg-icon v-if="onlyOneChild.meta && onlyOneChild.meta.icon" :icon-class="onlyOneChild.meta.icon"
- />
- <template #title>
- {{ onlyOneChild.meta.title }}
- </template>
- </el-menu-item>
- </app-link>
- </template>
- <!-- 包含多个子路由 -->
- <el-sub-menu v-else :index="resolvePath(item.path)" teleported>
- <template #title>
- <svg-icon
- v-if="item.meta && item.meta.icon"
- :icon-class="item.meta.icon"
- />
- <span v-if="item.meta && item.meta.title">{{item.meta.title }}</span>
- </template>
- <sidebar-item
- v-for="child in item.children"
- :key="child.path"
- :item="child"
- :base-path="resolvePath(child.path)"
- />
- </el-sub-menu>
- </div>
- </template>
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