68 lines
1.9 KiB
Markdown
68 lines
1.9 KiB
Markdown
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<cn>
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#### 只展开当前父级菜单
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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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</cn>
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<us>
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#### Open current submenu only
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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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</us>
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```html
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<template>
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<div>
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<a-menu
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mode="inline"
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:openKeys="openKeys"
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@openChange="onOpenChange"
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style="width: 256px"
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>
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<a-sub-menu key="sub1">
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<span slot="title"><a-icon type="mail" /><span>Navigation One</span></span>
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<a-menu-item key="1">Option 1</a-menu-item>
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<a-menu-item key="2">Option 2</a-menu-item>
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<a-menu-item key="3">Option 3</a-menu-item>
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<a-menu-item key="4">Option 4</a-menu-item>
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</a-sub-menu>
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<a-sub-menu key="sub2">
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<span slot="title"><a-icon type="appstore" /><span>Navigation Two</span></span>
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<a-menu-item key="5">Option 5</a-menu-item>
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<a-menu-item key="6">Option 6</a-menu-item>
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<a-sub-menu key="sub3" title="Submenu">
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<a-menu-item key="7">Option 7</a-menu-item>
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<a-menu-item key="8">Option 8</a-menu-item>
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</a-sub-menu>
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</a-sub-menu>
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<a-sub-menu key="sub4">
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<span slot="title"><a-icon type="setting" /><span>Navigation Three</span></span>
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<a-menu-item key="9">Option 9</a-menu-item>
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<a-menu-item key="10">Option 10</a-menu-item>
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<a-menu-item key="11">Option 11</a-menu-item>
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<a-menu-item key="12">Option 12</a-menu-item>
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</a-sub-menu>
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</a-menu>
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</div>
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</template>
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<script>
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export default {
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data () {
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return {
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rootSubmenuKeys: ['sub1', 'sub2', 'sub4'],
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openKeys: ['sub1'],
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}
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},
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methods: {
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onOpenChange (openKeys) {
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const latestOpenKey = openKeys.find(key => this.openKeys.indexOf(key) === -1)
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if (this.rootSubmenuKeys.indexOf(latestOpenKey) === -1) {
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this.openKeys = openKeys
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} else {
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this.openKeys = latestOpenKey ? [latestOpenKey] : []
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}
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},
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},
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}
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</script>
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```
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