ant-design/components/tree/demo/component-token.tsx

import React from 'react';
import { ConfigProvider, Tree } from 'antd';
import type { TreeDataNode, TreeProps } from 'antd';

const treeData: TreeDataNode[] = [
  {
    title: 'parent 1',
    key: '0-0',
    children: [
      {
        title: 'parent 1-0',
        key: '0-0-0',
        disabled: true,
        children: [
          {
            title: 'leaf',
            key: '0-0-0-0',
            disableCheckbox: true,
          },
          {
            title: 'leaf',
            key: '0-0-0-1',
          },
        ],
      },
      {
        title: 'parent 1-1',
        key: '0-0-1',
        children: [{ title: <span style={{ color: '#1677ff' }}>sss</span>, key: '0-0-1-0' }],
      },
    ],
  },
];

const App: React.FC = () => {
  const onSelect: TreeProps['onSelect'] = (selectedKeys, info) => {
    console.log('selected', selectedKeys, info);
  };

  const onCheck: TreeProps['onCheck'] = (checkedKeys, info) => {
    console.log('onCheck', checkedKeys, info);
  };

  return (
    <ConfigProvider
      theme={{
        components: {
          Tree: {
            nodeHoverBg: '#fff2f0',
            nodeSelectedBg: '#ffa39e',
          },
        },
      }}
    >
      <Tree
        checkable
        defaultExpandedKeys={['0-0-0', '0-0-1']}
        defaultSelectedKeys={['0-0-0', '0-0-1']}
        defaultCheckedKeys={['0-0-0', '0-0-1']}
        onSelect={onSelect}
        onCheck={onCheck}
        treeData={treeData}
      />
    </ConfigProvider>
  );
};

export default App;