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<template>
<div v-if="!item.hidden" >
<!-- 最后一级菜单 -->
<el-menu-item
v-if="isHaveOneChild(item.children,item) && (!onlyOneChild.children||onlyOneChild.noShowingChildren)"
:index="resolvePath(onlyOneChild.path)"
>
<IconFont class="menu-topBar-icon" :icon="onlyOneChild.meta.icon||(item.meta&&item.meta.icon)" size="18px"/>
<span slot="title">{{onlyOneChild.meta.title}} </span>
</el-menu-item>
<!-- 此菜单下还有子菜单 -->
<el-submenu
v-else
:popper-append-to-body="false"
:index="resolvePath(item.path)"
>
<template slot="title">
<IconFont class="menu-topBar-icon" :icon="item.meta && item.meta.icon" size="18px"/>
<span>{{item.meta.title}}</span>
</template>
<!-- 递归 -->
<sidebar-item
v-for="(child,number) in item.children"
:key="number"
:item="child"
:basePath="resolvePath(child.path)"
/>
</el-submenu>
</div>
</template>
<script>
import path from 'path'
export default {
name: "SidebarItem", //使用场景:允许组件模板递归地调用自身
props: {
"item":{
type: Object,
required: true
},
"basePath":{
type: String,
default: ''
}
},
data() {
this.onlyOneChild = null
return {
// onlyOneChild: null
};
},
methods: {
isHaveOneChild(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){
// console.log('studyGit-basePath',this.basePath)
// console.log('studyGit-routePath',routePath)
// console.log('studyGit-后的路径',path.resolve(this.basePath, routePath))
return path.resolve(this.basePath, routePath);
}
}
};
</script>