import { TreeSelect, Row, Col } from '@btri-ui/base'; import React, { useState } from 'react'; const treeData = [ { title: '第一层', value: '0-0', children: [ { title: '第二层', value: '0-0-1', children: [ { title: '第三层', value: '0-0-1-1', }, { title: 'Child Node-2', value: '0-0-1-2', }, ], }, { title: '第二层', value: '0-0-2', }, ], }, { title: '第一层', value: '0-1', }, ]; const App: React.FC = () => { const [value, setValue] = useState(); const onChange = (newValue: string) => { console.log(newValue); setValue(newValue); }; return ( ); }; export default App;