在react类基组件中设置setTimeOut

import React, { Component } from 'react';

class MyComponent extends Component {
  componentDidMount() {
    setTimeout(() => {
      // 在延迟后执行的代码
      console.log('Delayed code executed');
    }, 1000); // 延迟1秒执行
  }

  render() {
    return <div>My Component</div>;
  }
}

export default MyComponent;

import React, { Component } from 'react';

class MyComponent extends Component {
  componentDidMount() {
    this.timer = setTimeout(() => {
      // 在延迟后执行的代码
      console.log('Delayed code executed');
    }, 1000); // 延迟1秒执行
  }

  componentWillUnmount() {
    clearTimeout(this.timer);
  }

  render() {
    return <div>My Component</div>;
  }
}

export default MyComponent;