107 lines
2.3 KiB
Vue
107 lines
2.3 KiB
Vue
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<docs>
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---
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order: 0
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title:
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zh-CN: 手风琴模式
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en-US: Accordion
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---
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## zh-CN
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同一级的节点，每次只能展开一个
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## en-US
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Nodes of the same level can only be expanded one
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</docs>
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<template>
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<a-tree
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v-model:selectedKeys="selectedKeys"
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:expanded-keys="expandedKeys"
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:tree-data="treeData"
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@expand="handleExpand"
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>
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<template #title="{ title, key }">
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<span v-if="key === '0-0-1-0'" style="color: #1890ff">{{ title }}</span>
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<template v-else>{{ title }}</template>
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</template>
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</a-tree>
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</template>
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<script lang="ts">
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import type { TreeProps } from 'ant-design-vue';
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import _ from 'lodash';
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import { defineComponent, ref, watch } from 'vue';
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const treeData: TreeProps['treeData'] = [
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{
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title: 'parent 1',
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key: '0-0',
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children: [
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{
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title: 'parent 1-0',
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key: '0-0-0',
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children: [
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{ title: 'leaf', key: '0-0-0-0' },
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{ title: 'leaf', key: '0-0-0-1' },
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],
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},
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{
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title: 'parent 1-1',
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key: '0-0-1',
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children: [{ key: '0-0-1-0', title: 'sss' }],
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},
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],
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},
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{
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title: 'parent 2',
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key: '1-0',
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children: [
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{
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title: 'parent 2-0',
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key: '1-0-0',
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},
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{
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title: 'parent 2-1',
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key: '2-0-1',
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},
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],
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},
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];
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export default defineComponent({
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setup() {
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const expandedKeys = ref<string[]>([]);
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const selectedKeys = ref<string[]>(['0-0-0', '0-0-1']);
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const checkedKeys = ref<string[]>(['0-0-0', '0-0-1']);
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watch(expandedKeys, () => {
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console.log('expandedKeys', expandedKeys);
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});
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watch(selectedKeys, () => {
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console.log('selectedKeys', selectedKeys);
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});
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watch(checkedKeys, () => {
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console.log('checkedKeys', checkedKeys);
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});
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const handleExpand = (keys: string[], { expanded, node }) => {
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// node.parent add from 3.0.0-alpha.10
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const tempKeys = ((node.parent ? node.parent.children : treeData) || []).map(
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({ key }) => key,
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);
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if (expanded) {
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expandedKeys.value = _.difference(keys, tempKeys).concat(node.key);
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} else {
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expandedKeys.value = keys;
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}
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};
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return {
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treeData,
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expandedKeys,
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selectedKeys,
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checkedKeys,
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handleExpand,
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};
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},
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});
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</script>
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