ant-design/components/table/demo/expand-children.md

order	title
17	en-US zh-CN Tree data 树形数据展示

zh-CN

表格支持树形数据的展示，当数据中有 children 字段时会自动展示为树形表格，如果不需要或配置为其他字段可以用 childrenColumnName 进行配置。

可以通过设置 indentSize 以控制每一层的缩进宽度。

en-US

Display tree structure data in Table when there is field key children in dataSource, try to customize childrenColumnName property to avoid tree table structure.

You can control the indent width by setting indentSize.

import { Table, Switch, Space } from 'antd';

const columns = [
  {
    title: 'Name',
    dataIndex: 'name',
    key: 'name',
  },
  {
    title: 'Age',
    dataIndex: 'age',
    key: 'age',
    width: '12%',
  },
  {
    title: 'Address',
    dataIndex: 'address',
    width: '30%',
    key: 'address',
  },
];

const data = [
  {
    key: 1,
    name: 'John Brown sr.',
    age: 60,
    address: 'New York No. 1 Lake Park',
    children: [
      {
        key: 11,
        name: 'John Brown',
        age: 42,
        address: 'New York No. 2 Lake Park',
      },
      {
        key: 12,
        name: 'John Brown jr.',
        age: 30,
        address: 'New York No. 3 Lake Park',
        children: [
          {
            key: 121,
            name: 'Jimmy Brown',
            age: 16,
            address: 'New York No. 3 Lake Park',
          },
        ],
      },
      {
        key: 13,
        name: 'Jim Green sr.',
        age: 72,
        address: 'London No. 1 Lake Park',
        children: [
          {
            key: 131,
            name: 'Jim Green',
            age: 42,
            address: 'London No. 2 Lake Park',
            children: [
              {
                key: 1311,
                name: 'Jim Green jr.',
                age: 25,
                address: 'London No. 3 Lake Park',
              },
              {
                key: 1312,
                name: 'Jimmy Green sr.',
                age: 18,
                address: 'London No. 4 Lake Park',
              },
            ],
          },
        ],
      },
    ],
  },
  {
    key: 2,
    name: 'Joe Black',
    age: 32,
    address: 'Sidney No. 1 Lake Park',
  },
];

// rowSelection objects indicates the need for row selection
const rowSelection = {
  onChange: (selectedRowKeys, selectedRows) => {
    console.log(`selectedRowKeys: ${selectedRowKeys}`, 'selectedRows: ', selectedRows);
  },
  onSelect: (record, selected, selectedRows) => {
    console.log(record, selected, selectedRows);
  },
  onSelectAll: (selected, selectedRows, changeRows) => {
    console.log(selected, selectedRows, changeRows);
  },
};

function TreeData() {
  const [checkStrictly, setCheckStrictly] = React.useState(false);
  return (
    <>
      <Space align="center" style={{ marginBottom: 16 }}>
        CheckStrictly: <Switch checked={checkStrictly} onChange={setCheckStrictly} />
      </Space>
      <Table
        columns={columns}
        rowSelection={{ ...rowSelection, checkStrictly }}
        dataSource={data}
      />
    </>
  );
}

ReactDOM.render(<TreeData />, mountNode);