190 lines
4.1 KiB
Vue
190 lines
4.1 KiB
Vue
<template>
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<div v-if="!item.meta || !item.meta.hidden">
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<!-- 显示具有单个子路由的菜单项或没有子路由的父路由 -->
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<template
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v-if="
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hasOneShowingChild(item.children, item as RouteRecordRaw) &&
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(!onlyOneChild.children || onlyOneChild.noShowingChildren) &&
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!item.meta?.alwaysShow
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"
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>
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<AppLink v-if="onlyOneChild.meta" :to="resolvePath(onlyOneChild.path)">
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<el-menu-item
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:index="resolvePath(onlyOneChild.path)"
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:class="{ 'submenu-title-noDropdown': !isNest }"
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>
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<MenuIconTitle
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:icon="onlyOneChild.meta.icon || (item.meta && item.meta.icon)"
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:title="onlyOneChild.meta.title"
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/>
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</el-menu-item>
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</AppLink>
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</template>
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<!-- 显示具有多个子路由的父菜单项 -->
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<el-sub-menu v-else :index="resolvePath(item.path)" teleported>
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<template #title>
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<MenuIconTitle
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v-if="item.meta"
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:icon="item.meta && item.meta.icon"
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:title="item.meta.title"
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/>
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</template>
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<SidebarMenuItem
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v-for="child in item.children"
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:key="child.path"
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:is-nest="true"
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:item="child"
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:base-path="resolvePath(child.path)"
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/>
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</el-sub-menu>
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</div>
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</template>
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<script setup lang="ts">
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defineOptions({
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name: "SidebarMenuItem",
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inheritAttrs: false,
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});
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import path from "path-browserify";
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import { isExternal } from "@/utils/index";
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import { RouteRecordRaw } from "vue-router";
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const props = defineProps({
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/**
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* 路由(eg:user)
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*/
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item: {
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type: Object,
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required: true,
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},
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/**
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* 父层级完整路由路径(eg:/system)
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*/
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basePath: {
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type: String,
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required: true,
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},
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isNest: {
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type: Boolean,
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default: false,
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},
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});
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const onlyOneChild = ref(); // 临时变量，唯一子路由
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/**
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* 判断当前路由是否只有一个子路由
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*
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* 1：如果只有一个子路由： 返回 true
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* 2：如果无子路由 ：返回 true
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*
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* @param children 子路由数组
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* @param parent 当前路由
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*/
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function hasOneShowingChild(
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children: RouteRecordRaw[] = [],
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parent: RouteRecordRaw
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) {
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// 子路由集合
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const showingChildren = children.filter((route: RouteRecordRaw) => {
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if (route.meta?.hidden) {
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// 过滤不显示的子路由
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return false;
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} else {
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route.meta!.hidden = false;
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// 临时变量（多个子路由 onlyOneChild 变量是用不上的）
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onlyOneChild.value = route;
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return true;
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}
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});
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// 如果只有一个子路由, 返回 true
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if (showingChildren.length === 1) {
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return true;
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}
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// 如果没有子路由，显示父级路由
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if (showingChildren.length === 0) {
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onlyOneChild.value = { ...parent, path: "", noShowingChildren: true };
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return true;
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}
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return false;
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}
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/**
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* 解析路由路径(相对路径 → 绝对路径)
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*
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* @param routePath 路由路径
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*/
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function resolvePath(routePath: string) {
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if (isExternal(routePath)) {
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return routePath;
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}
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if (isExternal(props.basePath)) {
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return props.basePath;
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}
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// 完整路径(/system/user) = 父级路径(/system) + 路由路径(user)
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const fullPath = path.resolve(props.basePath, routePath);
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return fullPath;
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}
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</script>
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<style lang="scss">
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.hideSidebar {
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.submenu-title-noDropdown {
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position: relative;
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padding: 0 !important;
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.el-tooltip {
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padding: 0 !important;
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.sub-el-icon {
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margin-left: 19px;
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}
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}
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& > span {
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display: inline-block;
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width: 0;
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height: 0;
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overflow: hidden;
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visibility: hidden;
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}
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}
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.el-sub-menu {
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overflow: hidden;
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& > .el-sub-menu__title {
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padding: 0 !important;
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.sub-el-icon {
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margin-left: 19px;
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}
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.el-sub-menu__icon-arrow {
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display: none;
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}
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}
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}
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.el-menu--collapse {
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.el-sub-menu {
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& > .el-sub-menu__title {
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& > span {
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display: inline-block;
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width: 0;
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height: 0;
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overflow: hidden;
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visibility: hidden;
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}
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}
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}
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}
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}
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</style>
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