<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>乐淘音乐试听系统</title>
    <style>
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            background: #f8f9fa;
            padding: 20px;
        }

        .header {
            text-align: center;
            margin: 20px 0 40px;
        }

        .main-title {
            font-family: '黑体', sans-serif;
            font-size: 2.5em;
            font-weight: 900;
            color: #000;
            margin-bottom: 10px;
        }

        .sub-title {
            font-family: '宋体', serif;
            font-size: 1.2em;
            color: #ff0000;
        }

        .list-container {
            max-width: 1200px;
            margin: 0 auto;
        }

        #playlist-box {
            width: 50%;
            float: left;
            background: white;
            border-radius: 12px;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
            margin-top: -35px; /* ，歌单列表顶边往上移动10像素 */
            margin-bottom: 50px;
        }

        .list-title {
            background: #87CEEB;
            padding: 5px;/* ，歌单列表顶名的像素 */
            color: white;
            font-size: 1.2em;
            border-radius: 12px 12px 0 0;
        }

        .list-content {
            height: 60vh;
            max-height: 600px;
            overflow-y: auto;
            padding: 10px;
        }

        .list-item {
            padding: 4px;
            margin: 4px;
            border-radius: 8px;
            cursor: pointer;
            transition: all 0.2s;
            background: #ffffff;
            font-size: 0.95em;
        }

        .list-item:hover {
            background: #f1f3f5;
        }

        #songlist-modal {
            display: none;
            position: fixed;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 80%;
            max-width: 600px;
            background: white;
            border-radius: 12px;
            box-shadow: 0 8px 30px rgba(0,0,0,0.2);
            z-index: 2000;
        }

        .player-controls {
            padding: 12px 15px;
            background: #ffcccc;
            border-radius: 12px 12px 0 0; /* 修改底部圆角为直角 */
            margin-top: -4px; /* 顶边置顶 */
            margin-bottom: -8px; /* 底边往上移动10像素 */
            position: relative;
            z-index: 1;
        }

        #currentSong {
            text-align: center;
            font-size: 1.1em;
            margin-bottom: 15px;
            font-weight: bold;
        }

        .control-buttons {
            display: flex;
            justify-content: center;
            gap: 15px;
            margin-bottom: 10px;
        }

        .control-btn {
            padding: 8px 25px;
            border: none;
            border-radius: 25px;
            background: #ff6666;
            color: white;
            cursor: pointer;
            transition: all 0.3s;
        }

        .control-btn:hover {
            background: #ff4444;
            transform: scale(1.05);
        }

        .time-display {
            text-align: center;
            font-size: 0.9em;
            color: #666;
        }

        .modal-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 0px;
            background: #87CEEB;
            color: white;
        }

        #close-btn {
            cursor: pointer;
            font-size: 24px;
            color: #ff0000;
            padding: 0 10px;
            transition: transform 0.2s;
        }

        #close-btn:hover {
            transform: scale(1.2);
        }

        .selected-playlist {
            background: #98FB98 !important;
            font-weight: bold;
        }

        .current-song {
            background: #ffcccc !important;
            font-weight: bold;
        }
.progress-container {
            width: 90%;
            height: 5px;
            background: #ddd;
            border-radius: 3px;
            margin: 5px auto;
            cursor: pointer;
            position: relative;
            margin-top: 0; /* 移除之前的负边距 */
}

.progress-bar {
    height: 100%;
    background: #ff6666;
    border-radius: 3px;
    width: 0%;
    position: relative;
    transition: width 0.1s linear;
}

.progress-handle {
    width: 12px;
    height: 12px;
    background: #ff4444;
    border-radius: 50%;
    position: absolute;
    right: -6px;
    top: -3px;
    opacity: 0;
    transition: opacity 0.2s;
}

.progress-container:hover .progress-handle {
    opacity: 1;
}
        @media (max-width: 768px) {
            .main-title {
                font-size: 1.8em;
            }
            
            .sub-title {
                font-size: 1em;
            }

            #playlist-box {
                width: 100%;
                float: none;
            }
            
            #songlist-modal {
                width: 95%;
                max-width: none;
            }
            
            .control-btn {
                padding: 8px 15px;
                font-size: 14px;
            }
            
            .list-content {
                height: 55vh;/* ，歌单列表顶 的高度像素 */
            }
        }
    </style>
</head>
<body>
    <div class="header">
        <h1 class="main-title">乐淘音乐试听系统</h1>
        <p class="sub-title">点开歌单名查看并试听歌曲</p>
    </div>

    <div class="list-container">
        <div id="playlist-box">
            <div class="list-title">歌单列表</div>
            <div class="list-content" id="playlist"></div>
        </div>
    </div>

    <div id="songlist-modal">
        <div class="player-controls">
            <div id="currentSong">当前未播放</div>
            <div class="control-buttons">
                <button class="control-btn" onclick="playPrev()">上一曲</button>
                <button class="control-btn" onclick="togglePlay()" id="playBtn">播放</button>
                <button class="control-btn" onclick="playNext()">下一曲</button>
            </div>
            <div class="time-display">
                <span id="currentTime">00:00</span> / 
                <span id="duration">00:00</span>
            </div>
<div class="player-controls">
    <div class="control-buttons">
        <!-- 原有按钮保持不变 -->
    </div>
    <div class="progress-container" id="progressContainer">
        <div class="progress-bar" id="progressBar">
            <div class="progress-handle"></div>
        </div>
    </div>
    <div class="time-display">
        <!-- 原有时间显示保持不变 -->
    </div>
</div>
        </div>
        <div class="modal-header">
            <div id="songlist-title" class="list-title"></div>
            <div id="close-btn" onclick="closeModal()">×</div>
        </div>
        <div class="list-content" id="songlist"></div>
    </div>

    <audio id="audioPlayer"></audio>

    <script>
        let currentPlaylist = '';
        let currentSongs = [];
        let currentIndex = 0;
        const audio = new Audio();

        // 初始化加载歌单列表
        fetch('gqwjml.txt')
            .then(response => response.text())
            .then(data => {
                const playlists = data.split('\n').filter(line => line.trim());
                const playlistDiv = document.getElementById('playlist');
                playlists.forEach((playlist, index) => {
                    const div = document.createElement('div');
                    div.className = 'list-item';
                    div.textContent = playlist;
                    div.onclick = () => {
                        loadSongs(playlist, index);
                        document.getElementById('songlist-modal').style.display = 'block';
                    };
                    playlistDiv.appendChild(div);
                });
            })
            .catch(error => console.error('加载歌单失败:', error));

        function loadSongs(playlist, index) {
            // 更新歌单高亮
            document.querySelectorAll('#playlist .selected-playlist').forEach(el => {
                el.classList.remove('selected-playlist');
            });
            document.getElementById('playlist').children[index].classList.add('selected-playlist');

            // 更新歌曲列表标题
            document.getElementById('songlist-title').textContent = `${playlist}的歌单`;

            fetch(`${playlist}/gqm.txt`)
                .then(response => response.text())
                .then(data => {
                    currentSongs = data.split('\n').filter(line => line.trim());
                    const songlistDiv = document.getElementById('songlist');
                    songlistDiv.innerHTML = '';
                    currentSongs.forEach((song, i) => {
                        const div = document.createElement('div');
                        div.className = 'list-item';
                        div.textContent = song;
                        div.onclick = () => playSong(playlist, i);
                        songlistDiv.appendChild(div);
                    });
                    currentPlaylist = playlist;
                    if(currentSongs.length > 0) playSong(playlist, 0);
                })
                .catch(error => console.error('加载歌曲失败:', error));
        }
// 获取进度条元素
const progressContainer = document.getElementById('progressContainer');
const progressBar = document.getElementById('progressBar');
let isDragging = false;

// 进度条点击事件
progressContainer.addEventListener('mousedown', (e) => {
    const rect = progressContainer.getBoundingClientRect();
    const percent = (e.clientX - rect.left) / rect.width;
    audio.currentTime = percent * audio.duration;
    if (audio.paused) audio.play();
    document.getElementById('playBtn').textContent = '暂停';
});

// 拖动处理
progressContainer.addEventListener('mousedown', startDrag);
document.addEventListener('mousemove', handleDrag);
document.addEventListener('mouseup', endDrag);

function startDrag(e) {
    isDragging = true;
    handleDrag(e);
}

function handleDrag(e) {
    if (!isDragging) return;
    const rect = progressContainer.getBoundingClientRect();
    let percent = (e.clientX - rect.left) / rect.width;
    percent = Math.max(0, Math.min(1, percent));
    progressBar.style.width = `${percent * 100}%`;
    audio.currentTime = percent * audio.duration;
}

function endDrag() {
    isDragging = false;
    if (!audio.paused) audio.play();
}

// 更新进度条
audio.addEventListener('timeupdate', () => {
    if (!isDragging) {
        const progress = (audio.currentTime / audio.duration) * 100 || 0;
        progressBar.style.width = `${progress}%`;
    }
    document.getElementById('currentTime').textContent = formatTime(audio.currentTime);
});

// 修复音频时长显示
audio.addEventListener('loadedmetadata', () => {
    document.getElementById('duration').textContent = formatTime(audio.duration);
});
        function playSong(playlist, index) {
            currentIndex = index;
            const song = currentSongs[index];
            document.getElementById('currentSong').textContent = song;
            audio.src = `${playlist}/${song}.mp3`;
            audio.play();
            document.getElementById('playBtn').textContent = '暂停';

            // 更新歌曲高亮
            document.querySelectorAll('#songlist .current-song').forEach(el => {
                el.classList.remove('current-song');
            });
            document.getElementById('songlist').children[index].classList.add('current-song');
        }

        function togglePlay() {
            if(audio.paused) {
                audio.play();
                document.getElementById('playBtn').textContent = '暂停';
            } else {
                audio.pause();
                document.getElementById('playBtn').textContent = '播放';
            }
        }

        function playNext() {
            currentIndex = (currentIndex + 1) % currentSongs.length;
            playSong(currentPlaylist, currentIndex);
        }

        function playPrev() {
            currentIndex = (currentIndex - 1 + currentSongs.length) % currentSongs.length;
            playSong(currentPlaylist, currentIndex);
        }

        function closeModal() {
            document.getElementById('songlist-modal').style.display = 'none';
            audio.pause();
            document.getElementById('playBtn').textContent = '播放';
        }

        // 时间显示处理
        audio.addEventListener('timeupdate', () => {
            document.getElementById('currentTime').textContent = 
                formatTime(audio.currentTime);
            document.getElementById('duration').textContent = 
                formatTime(audio.duration);
        });

        // 自动播放下一曲
        audio.addEventListener('ended', playNext);

        function formatTime(seconds) {
            const min = Math.floor(seconds / 60);
            const sec = Math.floor(seconds % 60);
            return `${min.toString().padStart(2, '0')}:${sec.toString().padStart(2, '0')}`;
        }

        // 点击外部关闭模态框
        window.onclick = function(event) {
            const modal = document.getElementById('songlist-modal');
            if (event.target == modal) {
                closeModal();
            }
        }
    </script>
<style>
.footer-notice {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background: white; /* 可选背景色 */
    padding: 10px;
    text-align: center;
    color: red;
    border-top: 1px solid #eee; /* 可选顶部边框 */
}
/* 防止内容被遮挡 */
body {
    margin-bottom: 60px; /* 根据文字高度调整 */
}
</style>
 
<!-- 添加在body结束前 -->
<div class="footer-notice">
    本系统仅用于试听歌单是否是自己喜欢的类型<br>正常情况下CD音质远超U盘和蓝牙。
</div>
</body>
</html>