react显示表中的对象数组

import React from 'react';

class TableComponent extends React.Component {
  constructor(props) {
    super(props);
    
    this.state = {
      data: [
        { id: 1, name: 'John', age: 25 },
        { id: 2, name: 'Jane', age: 30 },
        { id: 3, name: 'Bob', age: 35 }
      ]
    };
  }
  
  renderTable() {
    return (
      <table>
        <thead>
          <tr>
            <th>ID</th>
            <th>Name</th>
            <th>Age</th>
          </tr>
        </thead>
        <tbody>
          {this.state.data.map((item) => (
            <tr key={item.id}>
              <td>{item.id}</td>
              <td>{item.name}</td>
              <td>{item.age}</td>
            </tr>
          ))}
        </tbody>
      </table>
    );
  }
  
  render() {
    return (
      <div>
        {this.renderTable()}
      </div>
    );
  }
}

export default TableComponent;