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bf播放mp3和lrc.html
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bf播放mp3和lrc.html
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<!DOCTYPE html>
<html lang="zh">
<head>
<meta charset="UTF-8">
<title>MP3 播放器</title>
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<style>
body {
font-family: Arial, sans-serif;
margin: 0;
padding: 0;
display: flex;
flex-direction: column;
align-items: center;
justify-content: center;
height: 100vh;
background-color: #f0f0f0;
}
h1 {
font-size: 24px;
margin-bottom: 20px;
}
.controls {
display: flex;
flex-direction: column;
align-items: center;
margin-bottom: 20px;
}
.controls label {
margin-bottom: 10px;
font-size: 16px;
}
.lyrics {
font-size: 20px;
line-height: 1.5;
height: 40vh; /* 默认高度 */
overflow-y: auto; /* 允许垂直滚动 */
border: 1px solid #ccc;
padding: 10px;
width: 90%;
background-color: #fff;
box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
transition: height 0.3s, width 0.3s, top 0.3s, left 0.3s;
position: relative;
}
.lyrics.fullscreen {
position: fixed;
top: 0;
left: 0;
width: 100%;
height: 100%;
z-index: 1000;
border: none;
box-shadow: none;
background-color: #fff;
}
.lyrics div {
margin: 5px 0;
color: #666;
cursor: pointer;
}
.lyrics .active {
color: red;
font-weight: bold;
}
.audio-controls {
width: 100%;
position: fixed;
bottom: 0;
left: 0;
background-color: #fff;
padding: 10px;
box-shadow: 0 -2px 4px rgba(0, 0, 0, 0.1);
display: flex;
flex-direction: column;
align-items: center;
}
.audio-controls .buttons {
display: flex;
align-items: center;
margin-bottom: 5px;
}
.audio-controls button {
background-color: #007bff;
color: white;
border: none;
border-radius: 5px;
padding: 10px;
margin: 0 5px;
cursor: pointer;
font-size: 16px;
}
.progress-bar {
width: 100%;
height: 5px;
background-color: #ddd;
cursor: pointer;
position: relative;
}
.progress {
height: 100%;
background-color: #007bff;
width: 0;
}
.toggle-button {
margin-top: 10px;
padding: 10px 20px;
font-size: 16px;
cursor: pointer;
background-color: #007bff;
color: white;
border: none;
border-radius: 5px;
box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
position: relative;
z-index: 1001; /* 确保按钮在全屏模式下可见 */
}
.exit-button {
display: none;
position: fixed;
bottom: 60px;
right: 20px;
width: 40px;
height: 40px;
background-color: #007bff;
color: white;
border: none;
border-radius: 50%;
font-size: 16px;
cursor: pointer;
align-items: center;
justify-content: center;
z-index: 1002;
box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}
.lyrics.fullscreen + .exit-button {
display: flex;
}
.play-pause-button {
display: none;
position: fixed;
bottom: 120px; /* 位置可以根据需要调整 */
right: 20px;
width: 40px;
height: 40px;
background-color: #007bff;
color: white;
border: none;
border-radius: 50%;
font-size: 16px;
cursor: pointer;
align-items: center;
justify-content: center;
z-index: 1002;
box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}
.lyrics.fullscreen + .exit-button,
.lyrics.fullscreen + .play-pause-button {
display: flex;
}
</style>
</head>
<body>
<h1>MP3 播放器</h1>
<div class="controls">
<label for="audioFile">选择音频文件:</label>
<input type="file" id="audioFile" accept="audio/*">
<label for="lrcFile">选择 LRC 文件:</label>
<input type="file" id="lrcFile" accept=".lrc">
</div>
<button class="toggle-button" id="toggleHeight">切换歌词高度</button>
<div id="lyrics" class="lyrics"></div>
<button class="exit-button" id="exitFullscreen">退</button>
<button class="play-pause-button" id="playPauseFullscreen">播</button>
<div class="audio-controls">
<div class="buttons">
<button id="playPause">播放</button>
<span id="currentTime">00:00</span> / <span id="duration">00:00</span>
</div>
<div class="progress-bar" id="progressBar">
<div class="progress" id="progress"></div>
</div>
</div>
<script>
document.addEventListener('DOMContentLoaded', function() {
const audio = new Audio();
const audioFile = document.getElementById('audioFile');
const lyrics = document.getElementById('lyrics');
const lrcFile = document.getElementById('lrcFile');
const toggleButton = document.getElementById('toggleHeight');
const exitButton = document.getElementById('exitFullscreen');
const progressBar = document.getElementById('progressBar');
const progress = document.getElementById('progress');
const playPauseButton = document.getElementById('playPause');
const currentTimeDisplay = document.getElementById('currentTime');
const durationDisplay = document.getElementById('duration');
const playPauseFullscreenButton = document.getElementById('playPauseFullscreen');
let lrcData = [];
let currentIndex = -1;
let isFullHeight = false;
audioFile.onchange = function(e) {
const file = e.target.files[0];
if (file) {
audio.src = URL.createObjectURL(file);
audio.onloadedmetadata = function() {
durationDisplay.textContent = formatTime(audio.duration);
};
}
};
lrcFile.onchange = function(e) {
const file = e.target.files[0];
if (file) {
const reader = new FileReader();
reader.onload = function(e) {
parseLrc(e.target.result);
};
reader.readAsText(file);
}
};
function parseLrc(text) {
lrcData = [];
const lines = text.split('\n');
for (let line of lines) {
const matches = line.match(/\[(\d{2}):(\d{2})(?:\.(\d{2}))?\](.*)/);
if (matches) {
const minutes = parseInt(matches[1]);
const seconds = parseInt(matches[2]);
const hundredths = matches[3] ? parseInt(matches[3]) : 0;
const text = matches[4].trim();
if (text) {
lrcData.push({
time: minutes * 60 + seconds + hundredths / 100,
text: text
});
}
}
}
// 显示所有歌词
lyrics.innerHTML = lrcData.map((item, index) => `<div data-index="${index}">${item.text}</div>`).join('');
currentIndex = -1;
}
audio.ontimeupdate = function() {
const currentTime = audio.currentTime;
const duration = audio.duration;
const progressPercent = (currentTime / duration) * 100;
progress.style.width = progressPercent + '%';
currentTimeDisplay.textContent = formatTime(currentTime);
// 找到当前应该显示的歌词
let index = lrcData.findIndex(item => item.time > currentTime);
if (index === -1) {
index = lrcData.length;
}
index = index - 1;
// 如果索引变化了，更新高亮显示
if (index !== currentIndex && index >= 0) {
// 移除之前的高亮
const oldActive = lyrics.querySelector('.active');
if (oldActive) {
oldActive.classList.remove('active');
}
// 添加新的高亮
const newActive = lyrics.children[index];
if (newActive) {
newActive.classList.add('active');
// 滚动到当前歌词，使其居中
const offset = newActive.offsetTop - lyrics.offsetTop;
const scrollPosition = offset - (lyrics.clientHeight / 2) + (newActive.clientHeight / 2);
lyrics.scrollTop = scrollPosition;
}
currentIndex = index;
}
};
playPauseButton.onclick = function() {
if (audio.paused) {
audio.play();
playPauseButton.textContent = '暂停';
} else {
audio.pause();
playPauseButton.textContent = '播放';
}
};
lyrics.onclick = function(e) {
if (e.target && e.target.nodeName === "DIV") {
const index = parseInt(e.target.getAttribute('data-index'));
if (!isNaN(index) && lrcData[index]) {
audio.currentTime = lrcData[index].time;
}
}
};
toggleButton.onclick = function() {
isFullHeight = !isFullHeight;
if (isFullHeight) {
lyrics.classList.add('fullscreen');
toggleButton.style.display = 'none';
exitButton.style.display = 'flex';
playPauseFullscreenButton.style.display = 'flex';
} else {
lyrics.classList.remove('fullscreen');
toggleButton.style.display = 'block';
exitButton.style.display = 'none';
playPauseFullscreenButton.style.display = 'none';
}
};
exitButton.onclick = function() {
lyrics.classList.remove('fullscreen');
toggleButton.style.display = 'block';
exitButton.style.display = 'none';
playPauseFullscreenButton.style.display = 'none';
isFullHeight = false;
};
progressBar.onclick = function(e) {
const width = progressBar.clientWidth;
const clickX = e.offsetX;
const duration = audio.duration;
audio.currentTime = (clickX / width) * duration;
};
// 添加拖动功能
function makeDraggable(element, onClick) {
let isDragging = false;
let startX, startY, initialX, initialY;
let moved = false;
element.addEventListener('mousedown', startDrag);
element.addEventListener('touchstart', startDrag);
function startDrag(e) {
e.preventDefault();
isDragging = true;
moved = false;
startX = e.type === 'mousedown' ? e.clientX : e.touches[0].clientX;
startY = e.type === 'mousedown' ? e.clientY : e.touches[0].clientY;
initialX = element.offsetLeft;
initialY = element.offsetTop;
document.addEventListener('mousemove', drag);
document.addEventListener('touchmove', drag);
document.addEventListener('mouseup', stopDrag);
document.addEventListener('touchend', stopDrag);
}
function drag(e) {
if (!isDragging) return;
const currentX = e.type === 'mousemove' ? e.clientX : e.touches[0].clientX;
const currentY = e.type === 'mousemove' ? e.clientY : e.touches[0].clientY;
const dx = currentX - startX;
const dy = currentY - startY;
if (Math.abs(dx) > 5 || Math.abs(dy) > 5) {
moved = true;
}
element.style.left = initialX + dx + 'px';
element.style.top = initialY + dy + 'px';
}
function stopDrag() {
isDragging = false;
document.removeEventListener('mousemove', drag);
document.removeEventListener('touchmove', drag);
document.removeEventListener('mouseup', stopDrag);
document.removeEventListener('touchend', stopDrag);
if (!moved && typeof onClick === 'function') {
onClick();
}
}
}
makeDraggable(playPauseFullscreenButton, function() {
if (audio.paused) {
audio.play();
playPauseFullscreenButton.textContent = '暂';
} else {
audio.pause();
playPauseFullscreenButton.textContent = '播';
}
});
makeDraggable(exitButton, function() {
lyrics.classList.remove('fullscreen');
toggleButton.style.display = 'block';
exitButton.style.display = 'none';
playPauseFullscreenButton.style.display = 'none';
isFullHeight = false;
});
toggleButton.onclick = function() {
isFullHeight = !isFullHeight;
if (isFullHeight) {
lyrics.classList.add('fullscreen');
toggleButton.style.display = 'none';
exitButton.style.display = 'flex';
playPauseFullscreenButton.style.display = 'flex';
} else {
lyrics.classList.remove('fullscreen');
toggleButton.style.display = 'block';
exitButton.style.display = 'none';
playPauseFullscreenButton.style.display = 'none';
}
};
exitButton.onclick = function() {
lyrics.classList.remove('fullscreen');
toggleButton.style.display = 'block';
exitButton.style.display = 'none';
playPauseFullscreenButton.style.display = 'none';
isFullHeight = false;
};
function formatTime(seconds) {
const minutes = Math.floor(seconds / 60);
const secs = Math.floor(seconds % 60);
return `${minutes}:${secs < 10 ? '0' : ''}${secs}`;
}
});
</script>
</body>
</html>