SidebarItem.vue
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<template>
<div v-if="!item.hidden&&item.children" class="menu-wrapper">
<template v-if="hasOneShowingChild(item.children,item) && (!onlyOneChild.children||onlyOneChild.noShowingChildren)&&!item.alwaysShow">
<app-link :to="resolvePath(onlyOneChild.path)">
<el-menu-item :index="resolvePath(onlyOneChild.path)" :class="{'submenu-title-noDropdown':!isNest}">
<item v-if="onlyOneChild.meta" :icon="onlyOneChild.meta.icon||item.meta.icon" :title="onlyOneChild.meta.title " />
</el-menu-item>
</app-link>
</template>
<!-- 一级菜单有两个以上的子菜单 -->
<template v-else>
<el-submenu v-if="hasPermission(item.meta.permission)" :index="resolvePath(item.path)">
<template slot="title">
<item :icon="item.meta.icon" :title="item.meta.title" />
</template>
<template v-for="child in item.children">
<template v-if="hasPermission(child.meta.permission) && child.hidden!=true">
<sidebar-item v-if="child.children&&child.children.length>0" :is-nest="true" :item="child" :key="child.path" :base-path="resolvePath(child.path)" class="nest-menu" />
<app-link :to="resolvePath(child.path)" :key="child.name">
<el-menu-item :index="resolvePath(child.path)">
<item v-if="child.meta" :icon="child.meta.icon" :title="child.meta.title" />
</el-menu-item>
</app-link>
</template>
</template>
</el-submenu>
</template>
</div>
</template>
<script>
import path from 'path'
import { isExternal } from '@/utils'
import Item from './Item'
import AppLink from './Link'
export default {
name: 'SidebarItem',
components: { Item, AppLink },
props: {
// route object
item: {
type: Object,
required: true,
},
isNest: {
type: Boolean,
default: false,
},
basePath: {
type: String,
default: '',
},
},
data() {
return {
onlyOneChild: null,
}
},
computed: {
// secondLevelChildren(){
// let that = this
// return function(children){
// return children.filter(item => !item.hidden && that.hasPermission(item.meta.AuthKey))
// }
// }
},
methods: {
hasOneShowingChild(children, parent) {
const showingChildren = children.filter((item) => {
if (item.hidden) {
return false
} else {
// Temp set(will be used if only has one showing child)
this.onlyOneChild = item
return true
}
})
// When there is only one child router, the child router is displayed by default
if (showingChildren.length === 1) {
return true
}
// Show parent if there are no child router to display
if (showingChildren.length === 0) {
this.onlyOneChild = { ...parent, path: '', noShowingChildren: true }
return true
}
return false
},
resolvePath(routePath) {
if (this.isExternalLink(routePath)) {
return routePath
}
return path.resolve(this.basePath, routePath)
},
isExternalLink(routePath) {
return isExternal(routePath)
},
},
}
</script>
<style lang="scss" scoped>
.el-submenu__title i {
color: #333;
margin-right: 5px;
}
.el-menu-item i {
// color: #333;
margin-right: 5px;
}
</style>