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123 lines
3.3 KiB
123 lines
3.3 KiB
1 year ago
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<script setup lang="ts">
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import path from 'path-browserify';
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import { isExternal } from '@/utils/index';
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import AppLink from './Link.vue';
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import { translateRouteTitleI18n } from '@/utils/i18n';
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import SvgIcon from '@/components/SvgIcon/index.vue';
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const props = defineProps({
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/**
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* 路由(eg:level_3_1)
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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:/level/level_3/level_3_1)
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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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});
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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(children = [], parent: any) {
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// 需要显示的子路由数组
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const showingChildren = children.filter((item: any) => {
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if (item.meta?.hidden) {
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return false; // 过滤不显示的子路由
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} else {
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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）
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return true;
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}
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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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if (showingChildren.length === 1) {
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return true;
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}
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// 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
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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 = 父级路径(/level/level_3) + 路由路径
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const fullPath = path.resolve(props.basePath, routePath); // 相对路径 → 绝对路径
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return fullPath;
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}
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</script>
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<template>
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<div v-if="!item.meta || !item.meta.hidden">
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<!-- 只包含一个子路由节点的路由，显示其【唯一子路由】 -->
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<template
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v-if="
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hasOneShowingChild(item.children, item) &&
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(!onlyOneChild.children || onlyOneChild.noShowingChildren)
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"
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>
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<app-link v-if="onlyOneChild.meta" :to="resolvePath(onlyOneChild.path)">
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<el-menu-item :index="resolvePath(onlyOneChild.path)">
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<svg-icon
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v-if="onlyOneChild.meta && onlyOneChild.meta.icon"
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:icon-class="onlyOneChild.meta.icon"
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/>
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<template #title>
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{{ translateRouteTitleI18n(onlyOneChild.meta.title) }}
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</template>
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</el-menu-item>
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</app-link>
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</template>
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<!-- 包含多个子路由 -->
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<el-sub-menu v-else :index="resolvePath(item.path)" teleported>
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<template #title>
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<svg-icon
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v-if="item.meta && item.meta.icon"
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:icon-class="item.meta.icon"
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/>
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<span v-if="item.meta && item.meta.title">{{
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translateRouteTitleI18n(item.meta.title)
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}}</span>
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</template>
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<sidebar-item
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v-for="child in item.children"
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:key="child.path"
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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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