如何在react js中验证出生日期

import React, { Component } from 'react';

class BirthdayForm extends Component {
  constructor(props) {
    super(props);
    this.state = {
      birthday: '',
      isValid: false
    };
  }

  handleInputChange = (event) => {
    this.setState({
      birthday: event.target.value
    });
  }

  handleSubmit = (event) => {
    event.preventDefault();
    const { birthday } = this.state;
    const isValid = this.validateBirthday(birthday);
    this.setState({
      isValid
    });
  }

  validateBirthday = (birthday) => {
    const date = new Date(birthday);
    if (isNaN(date.getTime())) {
      return false;
    }
    // 其他验证逻辑，例如判断是否满足年龄要求等

    return true;
  }

  render() {
    const { isValid } = this.state;

    return (
      <form onSubmit={this.handleSubmit}>
        <label>
          出生日期：
          <input type="date" value={this.state.birthday} onChange={this.handleInputChange} />
        </label>
        <button type="submit">验证</button>
        {isValid ? <p>出生日期有效</p> : <p>出生日期无效</p>}
      </form>
    );
  }
}

export default BirthdayForm;