<template>
|
<PageWrapper title="Tree基础示例">
|
<Row :gutter="[16, 16]">
|
<Col :span="8">
|
<BasicTree title="基础示例，默认展开第一层" :treeData="treeData" defaultExpandLevel="1">
|
<template #icon><SmileTwoTone style="font-size: 16px" /></template>
|
<template #title>666</template>
|
<template #switcherIcon> <CarryOutOutlined /></template>
|
</BasicTree>
|
</Col>
|
<Col :span="8">
|
<BasicTree
|
title="可勾选，默认全部展开"
|
:treeData="treeData"
|
:checkable="true"
|
defaultExpandAll
|
@check="handleCheck"
|
/>
|
</Col>
|
<Col :span="8">
|
<BasicTree
|
title="指定默认展开/勾选示例"
|
:treeData="treeData"
|
:checkable="true"
|
:expandedKeys="['0-0']"
|
:checkedKeys="['0-0']"
|
/>
|
</Col>
|
<Col :span="8">
|
<BasicTree
|
title="懒加载异步树"
|
ref="asyncTreeRef"
|
:treeData="tree"
|
:load-data="onLoadData"
|
/>
|
</Col>
|
<Col :span="8">
|
<Card title="异步数据，默认展开">
|
<template #extra>
|
<a-button @click="loadTreeData" :loading="treeLoading">加载数据</a-button>
|
</template>
|
<Spin :spinning="treeLoading">
|
<BasicTree ref="asyncExpandTreeRef" :treeData="tree2" />
|
</Spin>
|
</Card>
|
</Col>
|
<Col :span="8">
|
<Card title="BasicTree内置加载">
|
<template #extra>
|
<a-button @click="loadTreeData2" :loading="treeLoading">请求数据</a-button>
|
</template>
|
<BasicTree ref="loadTreeRef" :treeData="tree2" :loading="treeLoading" />
|
</Card>
|
</Col>
|
</Row>
|
</PageWrapper>
|
</template>
|
<script lang="ts" setup>
|
import { nextTick, ref, unref } from 'vue';
|
import { BasicTree, TreeActionType, TreeItem } from '@/components/Tree';
|
import { treeData } from './data';
|
import { PageWrapper } from '@/components/Page';
|
import { Card, Row, Col, Spin } from 'ant-design-vue';
|
import { cloneDeep, uniq } from 'lodash-es';
|
import { isArray } from '@/utils/is';
|
import { type Nullable } from '@vben/types';
|
import { SmileTwoTone, CarryOutOutlined } from '@ant-design/icons-vue';
|
|
const asyncTreeRef = ref<Nullable<TreeActionType>>(null);
|
const asyncExpandTreeRef = ref<Nullable<TreeActionType>>(null);
|
const loadTreeRef = ref<Nullable<TreeActionType>>(null);
|
const tree2 = ref<TreeItem[]>([]);
|
const treeLoading = ref(false);
|
|
function handleCheck(checkedKeys, e) {
|
console.log('onChecked', checkedKeys, e);
|
}
|
|
function loadTreeData() {
|
treeLoading.value = true;
|
// 以下是模拟异步获取数据
|
setTimeout(() => {
|
// 设置数据源
|
tree2.value = cloneDeep(treeData);
|
treeLoading.value = false;
|
// 展开全部
|
nextTick(() => {
|
console.log(unref(asyncExpandTreeRef));
|
unref(asyncExpandTreeRef)?.expandAll(true);
|
});
|
}, 2000);
|
}
|
function loadTreeData2() {
|
treeLoading.value = true;
|
// 以下是模拟异步获取数据
|
setTimeout(() => {
|
// 设置数据源
|
tree2.value = cloneDeep(treeData);
|
treeLoading.value = false;
|
}, 2000);
|
}
|
|
const tree = ref([
|
{
|
title: 'parent ',
|
key: '0-0',
|
},
|
]);
|
|
function onLoadData(treeNode) {
|
return new Promise((resolve: (value?: unknown) => void) => {
|
if (isArray(treeNode.children) && treeNode.children.length > 0) {
|
resolve();
|
return;
|
}
|
setTimeout(() => {
|
const asyncTreeAction: TreeActionType | null = unref(asyncTreeRef);
|
if (asyncTreeAction) {
|
const nodeChildren = [
|
{ title: `Child Node ${treeNode.eventKey}-0`, key: `${treeNode.eventKey}-0` },
|
{ title: `Child Node ${treeNode.eventKey}-1`, key: `${treeNode.eventKey}-1` },
|
];
|
asyncTreeAction.updateNodeByKey(treeNode.eventKey, { children: nodeChildren });
|
asyncTreeAction.setExpandedKeys(
|
uniq([treeNode.eventKey, ...asyncTreeAction.getExpandedKeys()]),
|
);
|
}
|
|
resolve();
|
return;
|
}, 300);
|
});
|
}
|
</script>
|
