<template>
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<div v-if="!item.hidden">
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<template v-if="hasOneShowingChild(item.children, item) && (!onlyOneChild.children || onlyOneChild.noShowingChildren) && !item.alwaysShow">
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<app-link v-if="onlyOneChild.meta" :to="onlyOneChild.path">
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<el-menu-item :index="onlyOneChild.path" :class="{ 'submenu-title-noDropdown': !isNest }">
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<svg-icon :icon-class="onlyOneChild.meta.icon || (item.meta && item.meta.icon)"/>
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<template #title><span class="menu-title" :title="hasTitle(onlyOneChild.meta.title)">{{ onlyOneChild.meta.title }}</span></template>
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</el-menu-item>
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</app-link>
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</template>
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<el-sub-menu v-else ref="subMenu" :index="item.path" teleported>
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<template v-if="item.meta" #title>
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<svg-icon :icon-class="item.meta && item.meta.icon"/>
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<span class="menu-title" :title="hasTitle(item.meta.title)">{{ item.meta.title }}</span>
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</template>
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<sidebar-item
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v-for="(child, index) in item.children"
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:key="child.path + index"
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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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class="nest-menu"
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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>
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import { isExternal } from '@/utils/validate'
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import AppLink from './Link'
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import { getNormalPath } from '@/utils/ruoyi'
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import { onMounted } from 'vue';
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const props = defineProps({
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// route object
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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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isNest: {
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type: Boolean,
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default: false
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},
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basePath: {
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type: String,
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default: ''
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}
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})
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const onlyOneChild = ref({});
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function hasOneShowingChild(children = [], parent) {
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if (!children) {
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children = [];
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}
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const showingChildren = children.filter(item => {
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if (item.hidden) {
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return false
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} else {
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// Temp set(will be used if only has one showing child)
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onlyOneChild.value = item
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return true
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}
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})
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// When there is only one child router, the child router is displayed by default
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if (showingChildren.length === 1) {
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return true
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}
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// Show parent if there are no child router to display
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if (showingChildren.length === 0) {
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// console.log(777, { ...parent , noShowingChildren: true })
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onlyOneChild.value = { ...parent, 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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function resolvePath(routePath, routeQuery) {
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//验证是否是"https://"、"http://"、"mailto:"、"tel:" 开头的地址
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if (isExternal(routePath)) {
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// console.log(1111, routePath)
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return routePath
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}
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//props.basePath 是否是一个外部路径，如果是，则直接返回 props.basePath
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if (isExternal(props.basePath)) {
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// console.log(2222, props.basePath)
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return props.basePath
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}
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//验证是否是app-link的地址，直接跳转
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if (routeQuery) {
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let query = JSON.parse(routeQuery);
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return { path: getNormalPath(props.basePath + '/' + routePath), query: query }
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}
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//getNormalPath用来规范化路径，去除多余的斜杠
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// console.log(4444, getNormalPath(props.basePath + '/' + routePath))
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return getNormalPath(props.basePath + '/' + routePath)
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// return props.basePath || routePath
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}
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//规范标题显示长度不超过5
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function hasTitle(title){
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if (title.length > 5) {
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return title;
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} else {
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return "";
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}
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}
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onMounted(()=>{
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// console.log('菜单图标',props.item)
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})
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</script>
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