74 lines
1.5 KiB
Vue
74 lines
1.5 KiB
Vue
<docs>
|
|
---
|
|
order: 9
|
|
title:
|
|
zh-CN: 虚拟滚动
|
|
en-US: Virtual scroll
|
|
---
|
|
|
|
## zh-CN
|
|
|
|
使用 `height` 属性则切换为虚拟滚动。
|
|
|
|
## en-US
|
|
|
|
Use virtual list through `height` prop.
|
|
|
|
</docs>
|
|
<template>
|
|
<a-tree
|
|
v-model:selectedKeys="selectedKeys"
|
|
v-model:checkedKeys="checkedKeys"
|
|
default-expand-all
|
|
checkable
|
|
:height="233"
|
|
:tree-data="treeData"
|
|
>
|
|
<template #title="{ title, key }">
|
|
<span v-if="key === '0-0-1-0'" style="color: #1890ff">{{ title }}</span>
|
|
<template v-else>{{ title }}</template>
|
|
</template>
|
|
</a-tree>
|
|
</template>
|
|
<script lang="ts">
|
|
import type { TreeProps } from 'ant-design-vue';
|
|
import { defineComponent, ref, watch } from 'vue';
|
|
|
|
function dig(path = '0', level = 3) {
|
|
const list: TreeProps['treeData'] = [];
|
|
for (let i = 0; i < 10; i += 1) {
|
|
const key = `${path}-${i}`;
|
|
const treeNode: TreeProps['treeData'][number] = {
|
|
title: key,
|
|
key,
|
|
};
|
|
|
|
if (level > 0) {
|
|
treeNode.children = dig(key, level - 1);
|
|
}
|
|
|
|
list.push(treeNode);
|
|
}
|
|
return list;
|
|
}
|
|
|
|
export default defineComponent({
|
|
setup() {
|
|
const selectedKeys = ref<string[]>(['0-0-0', '0-0-1']);
|
|
const checkedKeys = ref<string[]>(['0-0-0', '0-0-1']);
|
|
watch(selectedKeys, () => {
|
|
console.log('selectedKeys', selectedKeys);
|
|
});
|
|
watch(checkedKeys, () => {
|
|
console.log('checkedKeys', checkedKeys);
|
|
});
|
|
|
|
return {
|
|
treeData: dig(),
|
|
selectedKeys,
|
|
checkedKeys,
|
|
};
|
|
},
|
|
});
|
|
</script>
|