import React, { useState } from 'react'; import { Space, Switch, Table } from 'antd'; import type { ColumnsType } from 'antd/es/table'; interface DataType { key: React.ReactNode; name: string; age: number; address: string; children?: DataType[]; } const data: DataType[] = [ { key: 1, name: 'John Brown sr. John Brown sr. John Brown sr. John Brown sr. John Brown sr. John Brown sr.', age: 60, address: 'New York No. 1 Lake Park', children: [ { key: 11, name: 'John Brown sr. John Brown sr. John Brown sr. John Brown sr. John Brown sr. John Brown sr.', age: 42, address: 'New York No. 2 Lake Park', }, { key: 12, name: 'John Brown sr. John Brown sr. John Brown sr. John Brown sr. John Brown sr. John Brown sr.', age: 30, address: 'New York No. 3 Lake Park', children: [ { key: 121, name: 'John Brown sr. John Brown sr. John Brown sr. John Brown sr. John Brown sr. John Brown sr.', age: 16, address: 'New York No. 3 Lake Park', }, ], }, { key: 13, name: 'Jim Green sr. Jim Green sr. Jim Green sr. Jim Green sr.', age: 72, address: 'London No. 1 Lake Park', children: [ { key: 131, name: 'Jim Green. Jim Green. Jim Green. Jim Green. Jim Green. Jim Green.', age: 42, address: 'London No. 2 Lake Park', children: [ { key: 1311, name: 'Jim Green jr. Jim Green jr. Jim Green jr. Jim Green jr.', age: 25, address: 'London No. 3 Lake Park', }, { key: 1312, name: 'Jimmy Green sr. Jimmy Green sr. Jimmy Green sr.', age: 18, address: 'London No. 4 Lake Park', }, ], }, ], }, ], }, { key: 2, name: 'Joe Black', age: 32, address: 'Sidney No. 1 Lake Park', }, ]; const App: React.FC = () => { const [fixed, setFixed] = useState(true); const columns: ColumnsType = [ { title: 'Name', dataIndex: 'name', key: 'name', width: '30%', ellipsis: true, fixed, }, { title: 'Age', dataIndex: 'age', key: 'age', width: '12%', }, { title: 'Address', dataIndex: 'address', key: 'address', }, ]; return ( <> Fixed first column: ); }; export default App;