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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: 基本用法
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en-US: Basic usage
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---
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## zh-CN
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最简单的用法，展示可勾选，可选中，禁用，默认展开等功能。
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## en-US
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The most basic usage, tell you how to use checkable, selectable, disabled, defaultExpandKeys, and etc.
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</docs>
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<template>
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<a-tree
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v-model:expandedKeys="expandedKeys"
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v-model:selectedKeys="selectedKeys"
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v-model:checkedKeys="checkedKeys"
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checkable
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:tree-data="treeData"
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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 { 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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disabled: true,
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children: [
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{ title: 'leaf', key: '0-0-0-0', disableCheckbox: true },
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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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export default defineComponent({
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setup() {
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const expandedKeys = ref<string[]>(['0-0-0', '0-0-1']);
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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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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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};
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},
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});
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</script>
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