ant-design/components/table/demo/grouping-columns.tsx

import React from 'react';
import { Table } from 'antd';
import type { TableColumnsType } from 'antd';
import { createStyles } from 'antd-style';

const useStyle = createStyles(({ css, token }) => {
  const { antCls } = token;
  return {
    customTable: css`
      ${antCls}-table {
        ${antCls}-table-container {
          ${antCls}-table-body,
          ${antCls}-table-content {
            scrollbar-width: thin;
            scrollbar-color: #eaeaea transparent;
            scrollbar-gutter: stable;
          }
        }
      }
    `,
  };
});

interface DataType {
  key: React.Key;
  name: string;
  age: number;
  street: string;
  building: string;
  number: number;
  companyAddress: string;
  companyName: string;
  gender: string;
}

const columns: TableColumnsType<DataType> = [
  {
    title: 'Name',
    dataIndex: 'name',
    key: 'name',
    width: 100,
    fixed: 'left',
    filters: [
      {
        text: 'Joe',
        value: 'Joe',
      },
      {
        text: 'John',
        value: 'John',
      },
    ],
    onFilter: (value, record) => record.name.indexOf(value as string) === 0,
  },
  {
    title: 'Other',
    children: [
      {
        title: 'Age',
        dataIndex: 'age',
        key: 'age',
        width: 150,
        sorter: (a, b) => a.age - b.age,
      },
      {
        title: 'Address',
        children: [
          {
            title: 'Street',
            dataIndex: 'street',
            key: 'street',
            width: 150,
          },
          {
            title: 'Block',
            children: [
              {
                title: 'Building',
                dataIndex: 'building',
                key: 'building',
                width: 100,
              },
              {
                title: 'Door No.',
                dataIndex: 'number',
                key: 'number',
                width: 100,
              },
            ],
          },
        ],
      },
    ],
  },
  {
    title: 'Company',
    children: [
      {
        title: 'Company Address',
        dataIndex: 'companyAddress',
        key: 'companyAddress',
        width: 200,
      },
      {
        title: 'Company Name',
        dataIndex: 'companyName',
        key: 'companyName',
      },
    ],
  },
  {
    title: 'Gender',
    dataIndex: 'gender',
    key: 'gender',
    width: 80,
    fixed: 'right',
  },
];

const dataSource = Array.from({ length: 100 }).map<DataType>((_, i) => ({
  key: i,
  name: 'John Brown',
  age: i + 1,
  street: 'Lake Park',
  building: 'C',
  number: 2035,
  companyAddress: 'Lake Street 42',
  companyName: 'SoftLake Co',
  gender: 'M',
}));

const App: React.FC = () => {
  const { styles } = useStyle();
  return (
    <Table<DataType>
      className={styles.customTable}
      columns={columns}
      dataSource={dataSource}
      bordered
      size="middle"
      scroll={{ x: 'calc(700px + 50%)', y: 47 * 5 }}
    />
  );
};

export default App;