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

order	title
20	[{en-US Grouping table head} {zh-CN 表头分组}]

zh-CN

columns[n] 可以内嵌 children，以渲染分组表头。

en-US

Group table head with columns[n].children。

import { Table } from 'antd';

const columns = [
  {
    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) === 0,
  },
  {
    title: 'Other',
    children: [
      {
        title: 'Age',
        dataIndex: 'age',
        key: 'age',
        width: 100,
        sorter: (a, b) => a.age - b.age,
      },
      {
        title: 'Address',
        children: [
          {
            title: 'Street',
            dataIndex: 'street',
            key: 'street',
            width: 200,
          },
          {
            title: 'Block',
            children: [
              {
                title: 'Building',
                dataIndex: 'building',
                key: 'building',
                width: 50,
              },
              {
                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',
        width: 200,
      },
    ],
  },
  {
    title: 'Gender',
    dataIndex: 'gender',
    key: 'gender',
    width: 60,
    fixed: 'right',
  },
];

const data = [];
for (let i = 0; i < 100; i++) {
  data.push({
    key: i,
    name: 'John Brown',
    age: Math.ceil(Math.random() * 100),
    street: 'Lake Park',
    building: 'C',
    number: 2035,
    companyAddress: 'Lake Street 42',
    companyName: 'SoftLake Co',
    gender: 'M',
  });
}

ReactDOM.render(
  <Table
    columns={columns}
    dataSource={data}
    bordered size="middle"
    scroll={{ x: 1010, y: 240 }}
  />,
  mountNode
);