如何通过点击react native中的touchableOpacity开始倒计时？

import React, { useState, useEffect } from 'react';
import { TouchableOpacity, Text } from 'react-native';

const CountdownTimer = () => {
  const [countdown, setCountdown] = useState(10); // 初始倒计时时间为10秒

  useEffect(() => {
    // 使用useEffect来实现倒计时逻辑
    if (countdown > 0) {
      const timer = setInterval(() => {
        setCountdown(prevCountdown => prevCountdown - 1);
      }, 1000);

      return () => clearInterval(timer); // 组件卸载时清除定时器
    }
  }, [countdown]);

  const handleStartCountdown = () => {
    setCountdown(10); // 点击开始倒计时时重置倒计时时间为10秒
  };

  return (
    <>
      <TouchableOpacity onPress={handleStartCountdown}>
        <Text>开始倒计时</Text>
      </TouchableOpacity>
      <Text>倒计时剩余时间：{countdown}秒</Text>
    </>
  );
};

export default CountdownTimer;