在react中应该在哪里调用setintreval

import React, { Component } from 'react';

class MyComponent extends Component {
  componentDidMount() {
    this.interval = setInterval(() => {
      // 执行定时任务的代码
    }, 1000);
  }

  componentWillUnmount() {
    clearInterval(this.interval);
  }

  render() {
    return (
      <div>
        {/* 组件的内容 */}
      </div>
    );
  }
}

export default MyComponent;