console 命令行工具 X clear

console

function getTimeDiffInSeconds(date1, date2) {
    // 设置默认时间为10:00:00
    const setDefaultTime = (date) => {
        if (!date.includes('T') && !date.includes(' ')) {
            return new Date(`${date}T10:00:00`);
        }
        return new Date(date);
    };

    const d1 = setDefaultTime(date1);
    const d2 = setDefaultTime(date2);
    
    // 计算时间差（毫秒）并转换为秒
    return Math.abs(Math.floor((d2 - d1) / 1000));
}

function secondsToHMS(seconds) {
    const h = Math.floor(seconds / 3600);
    const m = Math.floor((seconds % 3600) / 60);
    const s = seconds % 60;
    
    // 补零格式化
    const pad = (num) => num.toString().padStart(2, '0');
    
    return `${pad(h)}:${pad(m)}:${pad(s)}`;
}

<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>时间差计算器</title>
    <style>
        body {
            font-family: Arial, sans-serif;
            max-width: 600px;
            margin: 0 auto;
            padding: 20px;
            text-align: center;
        }
        .container {
            background-color: #f5f5f5;
            border-radius: 8px;
            padding: 20px;
            box-shadow: 0 2px 4px rgba(0,0,0,0.1);
        }
        h1 {
            color: #333;
        }
        .result {
            margin: 20px 0;
            padding: 15px;
            background-color: #e9f7fe;
            border-radius: 5px;
            font-size: 18px;
        }
        .time-input {
            margin: 15px 0;
        }
        label {
            display: block;
            margin-bottom: 5px;
            font-weight: bold;
        }
        input {
            padding: 8px;
            border: 1px solid #ddd;
            border-radius: 4px;
            width: 200px;
            text-align: center;
        }
        .update-info {
            font-size: 14px;
            color: #666;
            margin-top: 10px;
        }
    </style>
</head>
<body>
    <div class="container">
        <h1>时间差计算器</h1>
        
        <div class="time-input">
            <label for="targetDate">目标日期</label>
            <input type="date" id="targetDate" value="2023-01-11">
        </div>
        
        <div class="result">
            <p>相差秒数: <span id="secondsDiff">0</span> 秒</p>
            <p>时间格式: <span id="hmsFormat">00:00:00</span></p>
        </div>
        
        <div class="update-info">
            最后更新时间: <span id="updateTime"></span>
        </div>
    </div>

    <script>
        function getTimeDiffInSeconds(date1, date2) {
            // 设置默认时间为10:00:00
            const setDefaultTime = (date) => {
                if (!date.includes('T') && !date.includes(' ')) {
                    return new Date(`${date}T10:00:00`);
                }
                return new Date(date);
            };

            const d1 = setDefaultTime(date1);
            const d2 = setDefaultTime(date2);
            
            // 计算时间差（毫秒）并转换为秒
            return Math.abs(Math.floor((d2 - d1) / 1000));
        }

        function secondsToHMS(seconds) {
            const h = Math.floor(seconds / 3600);
            const m = Math.floor((seconds % 3600) / 60);
            const s = seconds % 60;
            
            // 补零格式化
            const pad = (num) => num.toString().padStart(2, '0');
            
            return `${pad(h)}:${pad(m)}:${pad(s)}`;
        }

        // 更新显示的函数
        function updateTimeDifference() {
            const targetDate = document.getElementById('targetDate').value;
            const now = new Date();
            
            // 格式化当前时间为YYYY-MM-DD字符串
            const nowStr = now.toISOString().split('T')[0];
            
            // 计算秒数差
            const secondsDiff = getTimeDiffInSeconds(targetDate, nowStr);
            
            // 转换为hh:mm:ss格式
            const hmsFormat = secondsToHMS(secondsDiff);
            
            // 更新显示
            document.getElementById('secondsDiff').textContent = secondsDiff;
            document.getElementById('hmsFormat').textContent = hmsFormat;
            
            // 更新时间戳
            document.getElementById('updateTime').textContent = now.toLocaleString();
        }

        // 初始化
        document.addEventListener('DOMContentLoaded', function() {
            // 设置默认日期
            document.getElementById('targetDate').value = '2023-01-11';
            
            // 初始更新
            updateTimeDifference();
            
            // 每秒更新一次
            setInterval(updateTimeDifference, 1000);
            
            // 当用户更改日期时更新
            document.getElementById('targetDate').addEventListener('change', updateTimeDifference);
        });
    </script>
</body>
</html>