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64 lines
1.3 KiB
64 lines
1.3 KiB
<docs>
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---
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order: 9
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title:
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zh-CN: 虚拟滚动
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en-US: Virtual scroll
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---
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## zh-CN
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使用 `height` 属性则切换为虚拟滚动。
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## en-US
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Use virtual list through `height` prop.
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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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v-model:checkedKeys="checkedKeys"
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default-expand-all
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checkable
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:height="233"
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:tree-data="dig()"
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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" setup>
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import type { TreeProps } from 'ant-design-vue';
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import { ref, watch } from 'vue';
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function dig(path = '0', level = 3) {
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const list: TreeProps['treeData'] = [];
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for (let i = 0; i < 10; i += 1) {
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const key = `${path}-${i}`;
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const treeNode: TreeProps['treeData'][number] = {
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title: key,
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key,
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};
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if (level > 0) {
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treeNode.children = dig(key, level - 1);
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}
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list.push(treeNode);
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}
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return list;
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}
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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(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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</script>
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