antd找不到Tree.resetOpenNodes()方法
时间: 2024-02-05 17:03:20 浏览: 20
在Ant Design Tree组件中,没有内置的`resetOpenNodes()`方法。如果您想手动重置Tree的展开节点,可以通过以下两种方式实现:
1. 使用`expandedKeys`属性
您可以在Tree组件上设置一个`expandedKeys`属性,该属性接受一个数组,其中包含应该被展开的节点的key。如果您想重置所有展开的节点,只需将该属性设置为空数组即可。
例如:
```
import React, { useState } from 'react';
import { Tree } from 'antd';
const treeData = [
{
title: 'Node 1',
key: '1',
children: [
{
title: 'Child Node 1',
key: '1-1',
},
{
title: 'Child Node 2',
key: '1-2',
},
],
},
];
const MyTree = () => {
const [expandedKeys, setExpandedKeys] = useState([]);
const handleReset = () => {
setExpandedKeys([]);
};
return (
<>
<button onClick={handleReset}>Reset</button>
<Tree
treeData={treeData}
expandedKeys={expandedKeys}
onExpand={keys => setExpandedKeys(keys)}
/>
</>
);
};
export default MyTree;
```
2. 遍历树节点并手动修改
您可以遍历树节点并手动修改其`isExpanded`属性。这种方法非常适合您需要在Tree节点中添加自定义逻辑的情况。
例如:
```
import React, { useState } from 'react';
import { Tree } from 'antd';
const treeData = [
{
title: 'Node 1',
key: '1',
isExpanded: true,
children: [
{
title: 'Child Node 1',
key: '1-1',
isExpanded: true,
},
{
title: 'Child Node 2',
key: '1-2',
isExpanded: true,
},
],
},
];
const MyTree = () => {
const [treeNodes, setTreeNodes] = useState(treeData);
const handleReset = () => {
const resetTreeNodes = treeNodes.map(node => {
return { ...node, isExpanded: false };
});
setTreeNodes(resetTreeNodes);
};
return (
<>
<button onClick={handleReset}>Reset</button>
<Tree
treeData={treeNodes}
onExpand={(keys, node) => {
const expandedNode = treeNodes.find(n => n.key === node.key);
expandedNode.isExpanded = true;
setTreeNodes([...treeNodes]);
}}
onCollapse={(keys, node) => {
const collapsedNode = treeNodes.find(n => n.key === node.key);
collapsedNode.isExpanded = false;
setTreeNodes([...treeNodes]);
}}
/>
</>
);
};
export default MyTree;
```
以上两种方法都可以重置Tree的展开节点。希望能对您有所帮助。