如何为react创建二维数组

import React from 'react';

class MyComponent extends React.Component {
  constructor(props) {
    super(props);
    this.state = {
      twoDimensionalArray: [[]] // 初始化一个空的二维数组
    };
  }

  render() {
    // 组件的渲染逻辑
    return (
      <div>
        {/* 在这里使用二维数组 */}
      </div>
    );
  }
}

componentDidMount() {
  // 更新二维数组的值
  this.setState({
    twoDimensionalArray: [
      [1, 2, 3],
      [4, 5, 6],
      [7, 8, 9]
    ]
  });
}

render() {
  return (
    <div>
      {this.state.twoDimensionalArray.map((row, rowIndex) => (
        <div key={rowIndex}>
          {row.map((cell, cellIndex) => (
            <span key={cellIndex}>{cell}</span>
          ))}
        </div>
      ))}
    </div>
  );
}