1.9 KiB
1.9 KiB
#### 只展开当前父级菜单
点击菜单,收起其他展开的所有菜单,保持菜单聚焦简洁。
#### Open current submenu only
Click the menu and you will see that all the other menus gets collapsed to keep the entire menu compact.
<template>
<div>
<a-menu
mode="inline"
:openKeys="openKeys"
@openChange="onOpenChange"
style="width: 256px"
>
<a-sub-menu key="sub1">
<span slot="title"><a-icon type="mail" /><span>Navigation One</span></span>
<a-menu-item key="1">Option 1</a-menu-item>
<a-menu-item key="2">Option 2</a-menu-item>
<a-menu-item key="3">Option 3</a-menu-item>
<a-menu-item key="4">Option 4</a-menu-item>
</a-sub-menu>
<a-sub-menu key="sub2">
<span slot="title"><a-icon type="appstore" /><span>Navigation Two</span></span>
<a-menu-item key="5">Option 5</a-menu-item>
<a-menu-item key="6">Option 6</a-menu-item>
<a-sub-menu key="sub3" title="Submenu">
<a-menu-item key="7">Option 7</a-menu-item>
<a-menu-item key="8">Option 8</a-menu-item>
</a-sub-menu>
</a-sub-menu>
<a-sub-menu key="sub4">
<span slot="title"><a-icon type="setting" /><span>Navigation Three</span></span>
<a-menu-item key="9">Option 9</a-menu-item>
<a-menu-item key="10">Option 10</a-menu-item>
<a-menu-item key="11">Option 11</a-menu-item>
<a-menu-item key="12">Option 12</a-menu-item>
</a-sub-menu>
</a-menu>
</div>
</template>
<script>
export default {
data () {
return {
rootSubmenuKeys: ['sub1', 'sub2', 'sub4'],
openKeys: ['sub1'],
}
},
methods: {
onOpenChange (openKeys) {
const latestOpenKey = openKeys.find(key => this.openKeys.indexOf(key) === -1)
if (this.rootSubmenuKeys.indexOf(latestOpenKey) === -1) {
this.openKeys = openKeys
} else {
this.openKeys = latestOpenKey ? [latestOpenKey] : []
}
},
},
}
</script>