94 lines
2.6 KiB
Vue
94 lines
2.6 KiB
Vue
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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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style="width: 256px"
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mode="inline"
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:openKeys="openKeys"
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v-model:selectedKeys="selectedKeys"
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@openChange="onOpenChange"
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>
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<a-sub-menu key="sub1">
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<template #icon>
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<MailOutlined />
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</template>
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<template #title>Navigation One</template>
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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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<template #icon></template>
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<template #title>
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<AppstoreOutlined />
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Navigation Two
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</template>
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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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<template #icon>
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<SettingOutlined />
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</template>
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<template #title>Navigation Three</template>
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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 lang="ts">
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import { defineComponent, reactive, toRefs } from 'vue';
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import { MailOutlined, AppstoreOutlined, SettingOutlined } from '@ant-design/icons-vue';
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export default defineComponent({
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setup() {
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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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return {
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...toRefs(state),
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onOpenChange,
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};
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},
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components: {
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MailOutlined,
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AppstoreOutlined,
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SettingOutlined,
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},
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});
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</script>
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