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<docs>
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---
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order: 2
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title:
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zh-CN: 只展开当前父级菜单
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en-US: Open current submenu only
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---
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## zh-CN
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点击菜单，收起其他展开的所有菜单，保持菜单聚焦简洁。
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## en-US
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Click the menu and you will see that all the other menus gets collapsed to keep the entire menu compact.
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</docs>
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<template>
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<div>
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<a-menu
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v-model:selectedKeys="state.selectedKeys"
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style="width: 256px"
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mode="inline"
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:open-keys="state.openKeys"
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:items="items"
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@openChange="onOpenChange"
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></a-menu>
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</div>
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</template>
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<script lang="ts" setup>
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import { VueElement, h, reactive } from 'vue';
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import { MailOutlined, AppstoreOutlined, SettingOutlined } from '@ant-design/icons-vue';
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import { ItemType } from 'ant-design-vue';
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function getItem(
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label: VueElement | string,
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key: string,
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icon?: any,
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children?: ItemType[],
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type?: 'group',
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): ItemType {
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return {
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key,
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icon,
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children,
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label,
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type,
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} as ItemType;
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}
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const items: ItemType[] = reactive([
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getItem('Navigation One', 'sub1', () => h(MailOutlined), [
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getItem('Option 1', '1'),
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getItem('Option 2', '2'),
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getItem('Option 3', '3'),
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getItem('Option 4', '4'),
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]),
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getItem('Navigation Two', 'sub2', () => h(AppstoreOutlined), [
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getItem('Option 5', '5'),
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getItem('Option 6', '6'),
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getItem('Submenu', 'sub3', null, [getItem('Option 7', '7'), getItem('Option 8', '8')]),
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]),
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getItem('Navigation Three', 'sub4', () => h(SettingOutlined), [
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getItem('Option 9', '9'),
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getItem('Option 10', '10'),
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getItem('Option 11', '11'),
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getItem('Option 12', '12'),
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]),
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]);
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const state = reactive({
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rootSubmenuKeys: ['sub1', 'sub2', 'sub4'],
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openKeys: ['sub1'],
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selectedKeys: [],
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});
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const onOpenChange = (openKeys: string[]) => {
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const latestOpenKey = openKeys.find(key => state.openKeys.indexOf(key) === -1);
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if (state.rootSubmenuKeys.indexOf(latestOpenKey) === -1) {
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state.openKeys = openKeys;
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} else {
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state.openKeys = latestOpenKey ? [latestOpenKey] : [];
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}
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};
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</script>
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