51 lines
1.7 KiB
TypeScript
51 lines
1.7 KiB
TypeScript
import React, { useState, useEffect } from 'react';
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interface CountdownProps {
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targetDate: string; // 目标日期，格式：'YYYY-MM-DD'
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}
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export const Countdown: React.FC<CountdownProps> = ({ targetDate }) => {
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const [timeLeft, setTimeLeft] = useState({
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days: 0,
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hours: 0,
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minutes: 0,
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seconds: 0
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});
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useEffect(() => {
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const timer = setInterval(() => {
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const now = new Date().getTime();
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const target = new Date(targetDate).getTime();
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const difference = target - now;
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if (difference > 0) {
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const days = Math.floor(difference / (1000 * 60 * 60 * 24));
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const hours = Math.floor((difference % (1000 * 60 * 60 * 24)) / (1000 * 60 * 60));
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const minutes = Math.floor((difference % (1000 * 60 * 60)) / (1000 * 60));
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const seconds = Math.floor((difference % (1000 * 60)) / 1000);
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setTimeLeft({ days, hours, minutes, seconds });
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}
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}, 1000);
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return () => clearInterval(timer);
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}, [targetDate]);
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const TimeBox = ({ value, label }: { value: number; label: string }) => (
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<div className="text-center px-4">
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<div className="text-4xl font-light">
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{value.toString().padStart(2, '0')}
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</div>
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<div className="text-sm mt-1 text-gray-500">{label}</div>
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</div>
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);
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return (
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<div className="flex items-center justify-center">
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<TimeBox value={timeLeft.days} label="天" />
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<TimeBox value={timeLeft.hours} label="时" />
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<TimeBox value={timeLeft.minutes} label="分" />
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<TimeBox value={timeLeft.seconds} label="秒" />
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</div>
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);
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};
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