HTML/index.html at master · winder9090/HTML · GitHub

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<!DOCTYPE html>
<html lang="zh-CN">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>音乐播放器</title>
    <link rel="stylesheet" href="styles.css">
</head>

<body>
    <div id="container">
        <div id="player">
            <input type="text" id="searchInput" placeholder="搜索音乐...">
            <button id="searchButton">搜索</button>
            <div id="musicInfo">
                <img id="cover" src="" alt="专辑封面">
                <h3 id="songName"></h3>
                <p id="singer"></p>
                <p id="album"></p>
                <audio id="audioPlayer" controls></audio>
                <div id="controls">
                    <!-- 第一行: 上一首、播放、下一首 -->
                    <div>
                        <button id="prevButton">上一首</button>
                        <button id="playButton">播放</button>
                        <button id="nextButton">下一首</button>
                    </div>
                    <!-- 第二行: 收藏、下载、顺序播放 -->
                    <div>
                        <button id="favoriteButton">收藏</button>
                        <button id="downloadButton">下载</button>
                        <button id="playModeButton">顺序播放</button>
                    </div>
                </div>
            </div>
        </div>

        <div id="favorites">
            <h2>我的收藏</h2>
            <input type="text" id="favoritesSearch" placeholder="搜索收藏...">
            <ul id="favoritesList"></ul>
            <div id="pagination">
                <button id="prevPage">上一页</button>
                <span id="pageInfo"></span>
                <button id="nextPage">下一页</button>
            </div>
            <div id="importExportButtons">
                <button id="exportFavorites">导出收藏</button>
                <button id="importFavorites">导入收藏</button>
            </div>
            <button id="selectAllButton">全选</button>
            <button id="deleteSelectedButton">删除选中</button>
        </div>
    </div>

    <script>
        let favorites = [];
        let currentPage = 1;
        const itemsPerPage = 10;
        let selectedFavorites = [];
        let currentPlayIndex = 0;
        let playMode = 'sequential'; // 'sequential', 'random', 'loop'


        // 从 localStorage 中读取收藏的音乐
        function loadFavoritesFromLocalStorage() {
            const storedFavorites = localStorage.getItem('favorites');
            if (storedFavorites) {
                favorites = JSON.parse(storedFavorites);
            }
        }

        // 将收藏的音乐保存到 localStorage
        function saveFavoritesToLocalStorage() {
            localStorage.setItem('favorites', JSON.stringify(favorites));
        }

        // 页面加载时从 localStorage 中读取收藏的音乐
        loadFavoritesFromLocalStorage();

        document.getElementById('searchButton').addEventListener('click', function () {
            const query = document.getElementById('searchInput').value;
            if (query) {
                searchMusic(query);
            }
        });

        function searchMusic(query) {
            const url = `https://api.lolimi.cn/API/qqdg/?word=${encodeURIComponent(query)}&n=1`;
            fetch(url)
                .then(response => response.json())
                .then(data => {
                    if (data.code === 200) {
                        displayMusicInfo(data.data);
                    } else {
                        alert('未找到音乐');
                    }
                })
                .catch(error => {
                    console.error('Error:', error);
                    alert('搜索失败');
                });
        }

        function displayMusicInfo(musicData) {
            document.getElementById('cover').src = musicData.cover;
            document.getElementById('songName').innerText = musicData.song;
            document.getElementById('singer').innerText = `歌手: ${musicData.singer}`;
            document.getElementById('album').innerText = `专辑: ${musicData.album}`;
            document.getElementById('audioPlayer').src = musicData.url;
        }

        document.getElementById('playButton').addEventListener('click', function () {
            const audioPlayer = document.getElementById('audioPlayer');
            const playButton = document.getElementById('playButton');

            if (audioPlayer.paused) {
                audioPlayer.play();
                playButton.innerText = '暂停'; // 更改按钮文本为“暂停”
            } else {
                audioPlayer.pause();
                playButton.innerText = '播放'; // 更改按钮文本为“播放”
            }
        });

        // 监听音频播放结束事件，将按钮文本改回“播放”
        document.getElementById('audioPlayer').addEventListener('ended', function () {
            const playButton = document.getElementById('playButton');
            playButton.innerText = '播放'; // 更改按钮文本为“播放”
        });

        document.getElementById('favoriteButton').addEventListener('click', function () {
            const songName = document.getElementById('songName').innerText;
            const singer = document.getElementById('singer').innerText;
            const album = document.getElementById('album').innerText;
            const cover = document.getElementById('cover').src;
            const url = document.getElementById('audioPlayer').src;

            const favoriteMusic = {
                song: songName,
                singer: singer,
                album: album,
                cover: cover,
                url: url
            };

            favorites.push(favoriteMusic);
            saveFavoritesToLocalStorage(); // 保存到 localStorage
            updateFavoritesList();
        });

        document.getElementById('downloadButton').addEventListener('click', function () {
            const songName = document.getElementById('songName').innerText;
            const url = document.getElementById('audioPlayer').src;
            const fileName = `${sanitizeFileName(songName)}.mp3`;

            const link = document.createElement('a');
            link.href = url;
            link.download = fileName;
            document.body.appendChild(link);
            link.click();
            document.body.removeChild(link);
        });

        function sanitizeFileName(fileName) {
            return fileName.replace(/[^a-zA-Z0-9-_]/g, '_');
        }

        function updateFavoritesList() {
            const favoritesList = document.getElementById('favoritesList');
            favoritesList.innerHTML = '';

            const filteredFavorites = filterFavorites();
            const startIndex = (currentPage - 1) * itemsPerPage;
            const endIndex = startIndex + itemsPerPage;
            const paginatedFavorites = filteredFavorites.slice(startIndex, endIndex);

            paginatedFavorites.forEach((music, index) => {
                const li = document.createElement('li');
                li.innerText = `${music.song} - ${music.singer}`;
                li.setAttribute('data-music', JSON.stringify(music)); // 添加自定义属性
                li.addEventListener('click', function () {
                    displayMusicInfo({
                        song: music.song,
                        singer: music.singer.replace('歌手: ', ''),
                        album: music.album.replace('专辑: ', ''),
                        cover: music.cover,
                        url: music.url
                    });
                });

                const checkbox = document.createElement('input');
                checkbox.type = 'checkbox';
                checkbox.className = 'checkbox';
                checkbox.checked = selectedFavorites.includes(music); // 确保复选框状态与 selectedFavorites 一致
                checkbox.addEventListener('change', function () {
                    if (checkbox.checked) {
                        selectedFavorites.push(music);
                    } else {
                        selectedFavorites = selectedFavorites.filter(fav => fav !== music);
                    }
                });

                const deleteButton = document.createElement('button');
                deleteButton.innerText = '删除';
                deleteButton.className = 'deleteButton';
                deleteButton.addEventListener('click', function (event) {
                    event.stopPropagation();
                    deleteFavorite(music);
                });

                li.prepend(checkbox);
                li.appendChild(deleteButton);
                favoritesList.appendChild(li);
            });

            updatePagination(filteredFavorites.length);
        }

        function deleteFavorite(music) {
            favorites = favorites.filter(fav => fav !== music);
            saveFavoritesToLocalStorage();
            updateFavoritesList();
        }

        function filterFavorites() {
            const searchQuery = document.getElementById('favoritesSearch').value.toLowerCase();
            return favorites.filter(music => {
                return music.song.toLowerCase().includes(searchQuery) || music.singer.toLowerCase().includes(searchQuery);
            });
        }

        function updatePagination(totalItems) {
            const totalPages = Math.ceil(totalItems / itemsPerPage);
            document.getElementById('pageInfo').innerText = `第 ${currentPage} / ${totalPages} 页`;
            document.getElementById('prevPage').disabled = currentPage === 1;
            document.getElementById('nextPage').disabled = currentPage === totalPages;
        }

        document.getElementById('prevPage').addEventListener('click', function () {
            if (currentPage > 1) {
                currentPage--;
                updateFavoritesList();
            }
        });

        document.getElementById('nextPage').addEventListener('click', function () {
            const filteredFavorites = filterFavorites();
            const totalPages = Math.ceil(filteredFavorites.length / itemsPerPage);
            if (currentPage < totalPages) {
                currentPage++;
                updateFavoritesList();
            }
        });

        document.getElementById('favoritesSearch').addEventListener('input', updateFavoritesList);

        // 导出收藏
        document.getElementById('exportFavorites').addEventListener('click', function () {
            const dataStr = "data:text/json;charset=utf-8," + encodeURIComponent(JSON.stringify(favorites));
            const downloadAnchorNode = document.createElement('a');
            downloadAnchorNode.setAttribute("href", dataStr);
            downloadAnchorNode.setAttribute("download", "favorites.json");
            document.body.appendChild(downloadAnchorNode);
            downloadAnchorNode.click();
            downloadAnchorNode.remove();
        });

        // 导入收藏
        document.getElementById('importFavorites').addEventListener('click', function () {
            const input = document.createElement('input');
            input.type = 'file';
            input.accept = '.json';
            input.onchange = function (event) {
                const file = event.target.files[0];
                if (file) {
                    const reader = new FileReader();
                    reader.onload = function (e) {
                        const contents = e.target.result;
                        try {
                            const importedFavorites = JSON.parse(contents);
                            favorites = importedFavorites;
                            saveFavoritesToLocalStorage();
                            updateFavoritesList();
                            alert('收藏已导入');
                        } catch (error) {
                            alert('导入失败，请确保文件格式正确');
                        }
                    };
                    reader.readAsText(file);
                }
            };
            input.click();
        });

        // 全选/全反
        document.getElementById('selectAllButton').addEventListener('click', function () {
            // const checkboxes = document.querySelectorAll('.checkbox');
            if (arraysAreEqual(selectedFavorites,favorites)) {
                selectedFavorites = [];
                updateFavoritesList();
                this.innerText = '全选';
            } else {
                selectedFavorites = [...favorites]; // 使用扩展运算符复制数组
                updateFavoritesList();

                this.innerText = '全反选';
            }
        });
        function arraysAreEqual(arr1, arr2) {
            if (arr1.length !== arr2.length) {
                return false;
            }
            // 逐个比较每个元素
            for (let i = 0; i < arr1.length; i++) {
                if (arr1[i] !== arr2[i]) {
                    return false;
                }
            }
            return true;
        }
        // 删除选中
        document.getElementById('deleteSelectedButton').addEventListener('click', function () {
            if (selectedFavorites.length === 0) {
                alert('请先选择要删除的歌曲');
                return;
            }

            selectedFavorites.forEach(music => {
                favorites = favorites.filter(fav => fav !== music);
            });

            saveFavoritesToLocalStorage();
            updateFavoritesList();
            selectedFavorites = []; // 清空选中的歌曲
        });

        // 播放模式切换
        document.getElementById('playModeButton').addEventListener('click', function () {
            if (playMode === 'sequential') {
                playMode = 'random';
                this.innerText = '随机播放';
            } else if (playMode === 'random') {
                playMode = 'loop';
                this.innerText = '循环播放';
            } else if (playMode === 'loop') {
                playMode = 'sequential';
                this.innerText = '顺序播放';
            }
        });

        // 播放下一首
        document.getElementById('audioPlayer').addEventListener('ended', function () {
            if (playMode === 'sequential') {
                currentPlayIndex++;
                if (currentPlayIndex >= favorites.length) {
                    currentPlayIndex = 0;
                }
            } else if (playMode === 'random') {
                currentPlayIndex = Math.floor(Math.random() * favorites.length);
            } else if (playMode === 'loop') {
                // 循环播放当前歌曲
                this.currentTime = 0;
                this.play();
                return;
            }

            if (favorites.length > 0) {
                displayMusicInfo(favorites[currentPlayIndex]);
                this.play();
            }
        });

        // 上一首
        document.getElementById('prevButton').addEventListener('click', function () {
            if (favorites.length === 0) return;

            if (playMode === 'sequential') {
                currentPlayIndex--;
                if (currentPlayIndex < 0) {
                    currentPlayIndex = favorites.length - 1;
                }
            } else if (playMode === 'random') {
                currentPlayIndex = Math.floor(Math.random() * favorites.length);
            } else if (playMode === 'loop') {
                // 循环播放当前歌曲
                document.getElementById('audioPlayer').currentTime = 0;
                document.getElementById('audioPlayer').play();
                return;
            }

            displayMusicInfo(favorites[currentPlayIndex]);
            document.getElementById('audioPlayer').play();
        });

        // 下一首
        document.getElementById('nextButton').addEventListener('click', function () {
            if (favorites.length === 0) return;

            if (playMode === 'sequential') {
                currentPlayIndex++;
                if (currentPlayIndex >= favorites.length) {
                    currentPlayIndex = 0;
                }
            } else if (playMode === 'random') {
                currentPlayIndex = Math.floor(Math.random() * favorites.length);
            } else if (playMode === 'loop') {
                // 循环播放当前歌曲
                document.getElementById('audioPlayer').currentTime = 0;
                document.getElementById('audioPlayer').play();
                return;
            }

            displayMusicInfo(favorites[currentPlayIndex]);
            document.getElementById('audioPlayer').play();
            document.getElementById('playButton').innerText = '暂停'; // 更新播放按钮状态
        });

        // 初始化收藏列表
        updateFavoritesList();
    </script>
</body>

</html>