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HuangHai
2025-09-05 22:18:53 +08:00
parent c998dfc91c
commit 65652639ca
5 changed files with 460 additions and 670 deletions
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871
dsLightRag/static/XunFei/audio_evaluation.html
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@@ -74,7 +74,7 @@
left: 0;
width: 100%;
height: 100%;
background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
transform: translateX(-100%);
transition: 0.5s;
}
@@ -281,13 +281,17 @@
left: 0;
width: 100%;
height: 100%;
background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
animation: shimmer 1.5s infinite;
}
@keyframes shimmer {
0% { transform: translateX(-100%); }
100% { transform: translateX(100%); }
0% {
transform: translateX(-100%);
}
100% {
transform: translateX(100%);
}
}
.progress-text {
@@ -354,470 +358,471 @@
</style>
</head>
<body>
<div class="container">
<h1>🎙️ 英语朗读评测</h1>
<div class="container">
<h1>🎙️ 英语朗读评测</h1>
<div class="format-selector">
<label for="audioFormat">选择音频格式：</label>
<select id="audioFormat">
<option value="wav">WAV</option>
</select>
</div>
<div class="format-selector">
<label for="audioFormat">选择音频格式：</label>
<select id="audioFormat">
<option value="wav">WAV</option>
</select>
</div>
<div class="settings">
<h3>录音设置</h3>
<div class="setting-item">
<label>麦克风音量：</label>
<div style="display: flex; align-items: center; gap: 10px;">
<input type="range" id="volumeSlider" min="0" max="100" value="50">
<span id="volumeValue">50%</span>
</div>
<div class="settings">
<h3>录音设置</h3>
<div class="setting-item">
<label>麦克风音量：</label>
<div style="display: flex; align-items: center; gap: 10px;">
<input type="range" id="volumeSlider" min="0" max="100" value="50">
<span id="volumeValue">50%</span>
</div>
</div>
<div class="visualizer">
<canvas id="visualizerCanvas"></canvas>
</div>
<div class="timer" id="timer">00:00</div>
<div class="status" id="status">准备就绪</div>
<div class="controls">
<button id="recordBtn" class="btn-record">
<span>🔴</span> 开始录音
</button>
<button id="stopBtn" class="btn-stop" disabled>
<span>⏹️</span> 停止录音
</button>
<button id="playBtn" class="btn-play" disabled>
<span>▶️</span> 播放
</button>
<button id="uploadBtn" class="btn-upload" disabled>
<span>📤</span> 上传到服务器
</button>
</div>
<div class="audio-container" id="audioContainer">
<audio id="audioPlayer" controls></audio>
<p style="text-align: center; color: #666; margin-top: 10px;">
录制时间: <span id="duration">0</span> 秒 |
文件大小: <span id="fileSize">0</span> KB
</p>
</div>
<div class="upload-progress" id="uploadProgress">
<div class="progress-bar">
<div class="progress-fill" id="progressFill"></div>
</div>
<div class="progress-text" id="progressText">上传进度: 0%</div>
</div>
</div>
<script>
class AudioRecorder {
constructor() {
this.mediaRecorder = null;
this.audioChunks = [];
this.recordedBlob = null;
this.isRecording = false;
this.startTime = null;
this.timerInterval = null;
this.audioContext = null;
this.analyser = null;
this.dataArray = null;
this.canvas = document.getElementById('visualizerCanvas');
this.canvasCtx = this.canvas.getContext('2d');
this.animationId = null;
<div class="visualizer">
<canvas id="visualizerCanvas"></canvas>
</div>
this.initializeElements();
this.setupEventListeners();
this.setupCanvas();
}
<div class="timer" id="timer">00:00</div>
initializeElements() {
this.recordBtn = document.getElementById('recordBtn');
this.stopBtn = document.getElementById('stopBtn');
this.playBtn = document.getElementById('playBtn');
this.uploadBtn = document.getElementById('uploadBtn');
this.status = document.getElementById('status');
this.audioPlayer = document.getElementById('audioPlayer');
this.audioContainer = document.getElementById('audioContainer');
this.timer = document.getElementById('timer');
this.duration = document.getElementById('duration');
this.fileSize = document.getElementById('fileSize');
this.audioFormat = document.getElementById('audioFormat');
this.volumeSlider = document.getElementById('volumeSlider');
this.volumeValue = document.getElementById('volumeValue');
this.uploadProgress = document.getElementById('uploadProgress');
this.progressFill = document.getElementById('progressFill');
this.progressText = document.getElementById('progressText');
}
<div class="status" id="status">准备就绪</div>
setupCanvas() {
const resizeCanvas = () => {
this.canvas.width = this.canvas.offsetWidth;
this.canvas.height = this.canvas.offsetHeight;
};
resizeCanvas();
window.addEventListener('resize', resizeCanvas);
}
<div class="controls">
<button id="recordBtn" class="btn-record">
<span>🔴</span> 开始录音
</button>
<button id="stopBtn" class="btn-stop" disabled>
<span>⏹️</span> 停止录音
</button>
<button id="playBtn" class="btn-play" disabled>
<span>▶️</span> 播放
</button>
<button id="uploadBtn" class="btn-upload" disabled>
<span>📤</span> 上传到服务器
</button>
</div>
setupEventListeners() {
this.recordBtn.addEventListener('click', () => this.startRecording());
this.stopBtn.addEventListener('click', () => this.stopRecording());
this.playBtn.addEventListener('click', () => this.playRecording());
this.uploadBtn.addEventListener('click', () => this.uploadRecording());
<div class="audio-container" id="audioContainer">
<audio id="audioPlayer" controls></audio>
<p style="text-align: center; color: #666; margin-top: 10px;">
录制时间: <span id="duration">0</span> 秒 |
文件大小: <span id="fileSize">0</span> KB
</p>
</div>
this.volumeSlider.addEventListener('input', (e) => {
this.volumeValue.textContent = e.target.value + '%';
if (this.audioContext && this.audioContext.destination) {
this.audioContext.destination.volume.value = e.target.value / 100;
<div class="upload-progress" id="uploadProgress">
<div class="progress-bar">
<div class="progress-fill" id="progressFill"></div>
</div>
<div class="progress-text" id="progressText">上传进度: 0%</div>
</div>
</div>
<script>
class AudioRecorder {
constructor() {
this.mediaRecorder = null;
this.audioChunks = [];
this.recordedBlob = null;
this.isRecording = false;
this.startTime = null;
this.timerInterval = null;
this.audioContext = null;
this.analyser = null;
this.dataArray = null;
this.canvas = document.getElementById('visualizerCanvas');
this.canvasCtx = this.canvas.getContext('2d');
this.animationId = null;
this.initializeElements();
this.setupEventListeners();
this.setupCanvas();
}
initializeElements() {
this.recordBtn = document.getElementById('recordBtn');
this.stopBtn = document.getElementById('stopBtn');
this.playBtn = document.getElementById('playBtn');
this.uploadBtn = document.getElementById('uploadBtn');
this.status = document.getElementById('status');
this.audioPlayer = document.getElementById('audioPlayer');
this.audioContainer = document.getElementById('audioContainer');
this.timer = document.getElementById('timer');
this.duration = document.getElementById('duration');
this.fileSize = document.getElementById('fileSize');
this.audioFormat = document.getElementById('audioFormat');
this.volumeSlider = document.getElementById('volumeSlider');
this.volumeValue = document.getElementById('volumeValue');
this.uploadProgress = document.getElementById('uploadProgress');
this.progressFill = document.getElementById('progressFill');
this.progressText = document.getElementById('progressText');
}
setupCanvas() {
const resizeCanvas = () => {
this.canvas.width = this.canvas.offsetWidth;
this.canvas.height = this.canvas.offsetHeight;
};
resizeCanvas();
window.addEventListener('resize', resizeCanvas);
}
setupEventListeners() {
this.recordBtn.addEventListener('click', () => this.startRecording());
this.stopBtn.addEventListener('click', () => this.stopRecording());
this.playBtn.addEventListener('click', () => this.playRecording());
this.uploadBtn.addEventListener('click', () => this.uploadRecording());
this.volumeSlider.addEventListener('input', (e) => {
this.volumeValue.textContent = e.target.value + '%';
if (this.audioContext && this.audioContext.destination) {
this.audioContext.destination.volume.value = e.target.value / 100;
}
});
}
async startRecording() {
try {
this.updateStatus('正在请求麦克风权限...', 'recording');
const stream = await navigator.mediaDevices.getUserMedia({
audio: {
echoCancellation: true,
noiseSuppression: true,
sampleRate: 44100
}
});
}
async startRecording() {
try {
this.updateStatus('正在请求麦克风权限...', 'recording');
// 设置音频上下文用于可视化
this.setupAudioContext(stream);
const stream = await navigator.mediaDevices.getUserMedia({
audio: {
echoCancellation: true,
noiseSuppression: true,
sampleRate: 44100
}
});
const mimeType = this.getMimeType();
this.mediaRecorder = new MediaRecorder(stream, {
mimeType: mimeType,
audioBitsPerSecond: 128000
});
// 设置音频上下文用于可视化
this.setupAudioContext(stream);
this.audioChunks = [];
const mimeType = this.getMimeType();
this.mediaRecorder = new MediaRecorder(stream, {
mimeType: mimeType,
audioBitsPerSecond: 128000
});
this.audioChunks = [];
this.mediaRecorder.ondataavailable = (event) => {
if (event.data.size > 0) {
this.audioChunks.push(event.data);
}
};
this.mediaRecorder.onstop = () => {
this.recordedBlob = new Blob(this.audioChunks, { type: mimeType });
this.onRecordingComplete();
};
this.mediaRecorder.onstart = () => {
this.isRecording = true;
this.startTime = Date.now();
this.startTimer();
this.startVisualization();
this.updateButtons();
};
this.mediaRecorder.start(1000); // 每秒触发一次dataavailable事件
} catch (error) {
console.error('录音错误:', error);
this.updateStatus('无法访问麦克风，请检查权限设置', 'error');
if (error.name === 'NotAllowedError') {
alert('请允许访问麦克风权限才能录音');
} else if (error.name === 'NotFoundError') {
alert('未找到麦克风设备');
} else {
alert('录音初始化失败: ' + error.message);
}
}
}
setupAudioContext(stream) {
try {
this.audioContext = new (window.AudioContext || window.webkitAudioContext)();
const source = this.audioContext.createMediaStreamSource(stream);
this.analyser = this.audioContext.createAnalyser();
this.analyser.fftSize = 256;
const bufferLength = this.analyser.frequencyBinCount;
this.dataArray = new Uint8Array(bufferLength);
source.connect(this.analyser);
} catch (error) {
console.warn('音频可视化初始化失败:', error);
}
}
startVisualization() {
if (!this.analyser) return;
const draw = () => {
if (!this.isRecording) return;
this.animationId = requestAnimationFrame(draw);
this.analyser.getByteFrequencyData(this.dataArray);
this.canvasCtx.fillStyle = 'rgba(15, 23, 42, 0.7)';
this.canvasCtx.fillRect(0, 0, this.canvas.width, this.canvas.height);
const barWidth = (this.canvas.width / this.dataArray.length) * 2.5;
let barHeight;
let x = 0;
for (let i = 0; i < this.dataArray.length; i++) {
barHeight = (this.dataArray[i] / 255) * this.canvas.height * 0.8;
// 创建渐变
const gradient = this.canvasCtx.createLinearGradient(0, this.canvas.height - barHeight, 0, this.canvas.height);
gradient.addColorStop(0, '#5eead4');
gradient.addColorStop(1, '#0ea5e9');
this.canvasCtx.fillStyle = gradient;
this.canvasCtx.fillRect(x, this.canvas.height - barHeight, barWidth, barHeight);
x += barWidth + 1;
this.mediaRecorder.ondataavailable = (event) => {
if (event.data.size > 0) {
this.audioChunks.push(event.data);
}
};
draw();
}
stopVisualization() {
if (this.animationId) {
cancelAnimationFrame(this.animationId);
this.animationId = null;
}
// 清空画布
this.canvasCtx.fillStyle = 'rgba(15, 23, 42, 0.7)';
this.canvasCtx.fillRect(0, 0, this.canvas.width, this.canvas.height);
}
getMimeType() {
const format = this.audioFormat.value;
const supportedTypes = {
'webm': 'audio/webm;codecs=opus',
'mp4': 'audio/mp4',
'wav': 'audio/wav'
this.mediaRecorder.onstop = () => {
this.recordedBlob = new Blob(this.audioChunks, {type: mimeType});
this.onRecordingComplete();
};
const mimeType = supportedTypes[format];
// 检查浏览器是否支持选定的格式
if (!MediaRecorder.isTypeSupported(mimeType)) {
console.warn(`${format} 格式不被支持，回退到 WebM`);
return 'audio/webm;codecs=opus';
}
return mimeType;
}
stopRecording() {
if (this.mediaRecorder && this.isRecording) {
this.mediaRecorder.stop();
this.mediaRecorder.stream.getTracks().forEach(track => track.stop());
this.isRecording = false;
this.stopTimer();
this.stopVisualization();
this.updateStatus('录音已停止', 'stopped');
this.mediaRecorder.onstart = () => {
this.isRecording = true;
this.startTime = Date.now();
this.startTimer();
this.startVisualization();
this.updateButtons();
}
}
onRecordingComplete() {
const url = URL.createObjectURL(this.recordedBlob);
this.audioPlayer.src = url;
// 显示录音信息
const duration = Math.round((Date.now() - this.startTime) / 1000);
const sizeInKB = Math.round(this.recordedBlob.size / 1024);
this.duration.textContent = duration;
this.fileSize.textContent = sizeInKB;
this.audioContainer.classList.add('show');
this.updateStatus(`录音完成！时长: ${duration}秒, 大小: ${sizeInKB}KB`, 'success');
}
playRecording() {
if (this.audioPlayer.src) {
this.audioPlayer.play();
this.updateStatus('正在播放录音...', 'success');
}
}
async uploadRecording() {
if (!this.recordedBlob) return;
this.updateStatus('正在上传录音...', 'uploading');
this.uploadProgress.classList.add('show');
const formData = new FormData();
// 根据选择的格式确定文件扩展名
const format = this.audioFormat.value;
const extensions = {
'webm': 'webm',
'mp4': 'mp4',
'wav': 'wav'
};
const fileName = `recording_${Date.now()}.${extensions[format]}`;
formData.append('audio', this.recordedBlob, fileName);
formData.append('format', format);
formData.append('duration', this.duration.textContent);
formData.append('fileSize', this.fileSize.textContent);
this.mediaRecorder.start(1000); // 每秒触发一次dataavailable事件
try {
// 模拟上传进度
this.simulateUploadProgress();
} catch (error) {
console.error('录音错误:', error);
this.updateStatus('无法访问麦克风，请检查权限设置', 'error');
const response = await fetch('https://your-api-endpoint.com/upload', {
method: 'POST',
body: formData,
headers: {
'Accept': 'application/json',
}
});
if (!response.ok) {
throw new Error(`上传失败: ${response.status} ${response.statusText}`);
}
const result = await response.json();
this.uploadProgress.classList.remove('show');
this.updateStatus('上传成功！', 'success');
console.log('上传结果:', result);
// 这里可以添加成功后的处理逻辑
if (result.audioUrl) {
alert(`录音上传成功！\n文件URL: ${result.audioUrl}\n文件名: ${fileName}`);
} else {
alert('录音上传成功！');
}
} catch (error) {
console.error('上传错误:', error);
this.uploadProgress.classList.remove('show');
this.updateStatus('上传失败: ' + error.message, 'error');
// 更详细的错误处理
if (error.name === 'TypeError' && error.message.includes('fetch')) {
alert('网络连接失败，请检查网络设置');
} else if (error.message.includes('Failed to fetch')) {
alert('无法连接到服务器，请检查API地址是否正确');
} else {
alert('上传失败: ' + error.message);
}
}
}
simulateUploadProgress() {
let progress = 0;
const interval = setInterval(() => {
progress += Math.random() * 15;
if (progress >= 90) {
progress = 90; // 等待实际上传完成
clearInterval(interval);
return;
}
this.updateProgress(progress);
}, 200);
}
updateProgress(progress) {
progress = Math.min(100, Math.max(0, progress));
this.progressFill.style.width = progress + '%';
this.progressText.textContent = `上传进度: ${Math.round(progress)}%`;
}
startTimer() {
this.timerInterval = setInterval(() => {
if (this.startTime) {
const elapsed = Date.now() - this.startTime;
const minutes = Math.floor(elapsed / 60000);
const seconds = Math.floor((elapsed % 60000) / 1000);
this.timer.textContent = `${minutes.toString().padStart(2, '0')}:${seconds.toString().padStart(2, '0')}`;
}
}, 100);
}
stopTimer() {
if (this.timerInterval) {
clearInterval(this.timerInterval);
this.timerInterval = null;
}
}
updateButtons() {
this.recordBtn.disabled = this.isRecording;
this.stopBtn.disabled = !this.isRecording;
this.playBtn.disabled = !this.recordedBlob || this.isRecording;
this.uploadBtn.disabled = !this.recordedBlob || this.isRecording;
}
updateStatus(message, type = '') {
this.status.textContent = message;
this.status.className = 'status ' + type;
}
// 清理资源
cleanup() {
this.stopTimer();
this.stopVisualization();
if (this.mediaRecorder) {
this.mediaRecorder.stream.getTracks().forEach(track => track.stop());
}
if (this.audioContext) {
this.audioContext.close();
}
if (this.audioPlayer.src) {
URL.revokeObjectURL(this.audioPlayer.src);
if (error.name === 'NotAllowedError') {
alert('请允许访问麦克风权限才能录音');
} else if (error.name === 'NotFoundError') {
alert('未找到麦克风设备');
} else {
alert('录音初始化失败: ' + error.message);
}
}
}
// 初始化录音器
const recorder = new AudioRecorder();
// 页面卸载时清理资源
window.addEventListener('beforeunload', () => {
recorder.cleanup();
});
// 处理页面可见性变化
document.addEventListener('visibilitychange', () => {
if (document.hidden && recorder.isRecording) {
console.log('页面隐藏，录音继续进行...');
setupAudioContext(stream) {
try {
this.audioContext = new (window.AudioContext || window.webkitAudioContext)();
const source = this.audioContext.createMediaStreamSource(stream);
this.analyser = this.audioContext.createAnalyser();
this.analyser.fftSize = 256;
const bufferLength = this.analyser.frequencyBinCount;
this.dataArray = new Uint8Array(bufferLength);
source.connect(this.analyser);
} catch (error) {
console.warn('音频可视化初始化失败:', error);
}
});
}
// 添加键盘快捷键支持
document.addEventListener('keydown', (e) => {
if (e.code === 'Space') {
e.preventDefault();
if (!recorder.isRecording && !recorder.recordBtn.disabled) {
recorder.startRecording();
} else if (recorder.isRecording) {
recorder.stopRecording();
startVisualization() {
if (!this.analyser) return;
const draw = () => {
if (!this.isRecording) return;
this.animationId = requestAnimationFrame(draw);
this.analyser.getByteFrequencyData(this.dataArray);
this.canvasCtx.fillStyle = 'rgba(15, 23, 42, 0.7)';
this.canvasCtx.fillRect(0, 0, this.canvas.width, this.canvas.height);
const barWidth = (this.canvas.width / this.dataArray.length) * 2.5;
let barHeight;
let x = 0;
for (let i = 0; i < this.dataArray.length; i++) {
barHeight = (this.dataArray[i] / 255) * this.canvas.height * 0.8;
// 创建渐变
const gradient = this.canvasCtx.createLinearGradient(0, this.canvas.height - barHeight, 0, this.canvas.height);
gradient.addColorStop(0, '#5eead4');
gradient.addColorStop(1, '#0ea5e9');
this.canvasCtx.fillStyle = gradient;
this.canvasCtx.fillRect(x, this.canvas.height - barHeight, barWidth, barHeight);
x += barWidth + 1;
}
};
draw();
}
stopVisualization() {
if (this.animationId) {
cancelAnimationFrame(this.animationId);
this.animationId = null;
}
// 清空画布
this.canvasCtx.fillStyle = 'rgba(15, 23, 42, 0.7)';
this.canvasCtx.fillRect(0, 0, this.canvas.width, this.canvas.height);
}
getMimeType() {
const format = this.audioFormat.value;
const supportedTypes = {
'webm': 'audio/webm;codecs=opus',
'mp4': 'audio/mp4',
'wav': 'audio/wav'
};
const mimeType = supportedTypes[format];
// 检查浏览器是否支持选定的格式
if (!MediaRecorder.isTypeSupported(mimeType)) {
console.warn(`${format} 格式不被支持，回退到 WebM`);
return 'audio/webm;codecs=opus';
}
return mimeType;
}
stopRecording() {
if (this.mediaRecorder && this.isRecording) {
this.mediaRecorder.stop();
this.mediaRecorder.stream.getTracks().forEach(track => track.stop());
this.isRecording = false;
this.stopTimer();
this.stopVisualization();
this.updateStatus('录音已停止', 'stopped');
this.updateButtons();
}
}
onRecordingComplete() {
const url = URL.createObjectURL(this.recordedBlob);
this.audioPlayer.src = url;
// 显示录音信息
const duration = Math.round((Date.now() - this.startTime) / 1000);
const sizeInKB = Math.round(this.recordedBlob.size / 1024);
this.duration.textContent = duration;
this.fileSize.textContent = sizeInKB;
this.audioContainer.classList.add('show');
this.updateStatus(`录音完成！时长: ${duration}秒, 大小: ${sizeInKB}KB`, 'success');
this.updateButtons(); // 添加这一行来更新按钮状态
}
playRecording() {
if (this.audioPlayer.src) {
this.audioPlayer.play();
this.updateStatus('正在播放录音...', 'success');
}
}
async uploadRecording() {
if (!this.recordedBlob) return;
this.updateStatus('正在上传录音...', 'uploading');
this.uploadProgress.classList.add('show');
const formData = new FormData();
// 根据选择的格式确定文件扩展名
const format = this.audioFormat.value;
const extensions = {
'webm': 'webm',
'mp4': 'mp4',
'wav': 'wav'
};
const fileName = `recording_${Date.now()}.${extensions[format]}`;
formData.append('audio', this.recordedBlob, fileName);
formData.append('format', format);
formData.append('duration', this.duration.textContent);
formData.append('fileSize', this.fileSize.textContent);
try {
// 模拟上传进度
this.simulateUploadProgress();
const response = await fetch('/api/xunFei/save-audio', {
method: 'POST',
body: formData,
headers: {
'Accept': 'application/json',
}
});
if (!response.ok) {
throw new Error(`上传失败: ${response.status} ${response.statusText}`);
}
const result = await response.json();
this.uploadProgress.classList.remove('show');
this.updateStatus('上传成功！', 'success');
console.log('上传结果:', result);
// 这里可以添加成功后的处理逻辑
if (result.audioUrl) {
alert(`录音上传成功！\n文件URL: ${result.audioUrl}\n文件名: ${fileName}`);
} else {
alert('录音上传成功！');
}
} catch (error) {
console.error('上传错误:', error);
this.uploadProgress.classList.remove('show');
this.updateStatus('上传失败: ' + error.message, 'error');
// 更详细的错误处理
if (error.name === 'TypeError' && error.message.includes('fetch')) {
alert('网络连接失败，请检查网络设置');
} else if (error.message.includes('Failed to fetch')) {
alert('无法连接到服务器，请检查API地址是否正确');
} else {
alert('上传失败: ' + error.message);
}
}
});
}
// 添加提示信息
console.log('🎙️ 在线录音机已加载完成！');
console.log('💡 快捷键：空格键 - 开始/停止录音');
console.log('📋 支持的格式：WebM (推荐), MP4, WAV');
console.log('🔧 请确保已允许麦克风权限');
</script>
simulateUploadProgress() {
let progress = 0;
const interval = setInterval(() => {
progress += Math.random() * 15;
if (progress >= 90) {
progress = 90; // 等待实际上传完成
clearInterval(interval);
return;
}
this.updateProgress(progress);
}, 200);
}
updateProgress(progress) {
progress = Math.min(100, Math.max(0, progress));
this.progressFill.style.width = progress + '%';
this.progressText.textContent = `上传进度: ${Math.round(progress)}%`;
}
startTimer() {
this.timerInterval = setInterval(() => {
if (this.startTime) {
const elapsed = Date.now() - this.startTime;
const minutes = Math.floor(elapsed / 60000);
const seconds = Math.floor((elapsed % 60000) / 1000);
this.timer.textContent = `${minutes.toString().padStart(2, '0')}:${seconds.toString().padStart(2, '0')}`;
}
}, 100);
}
stopTimer() {
if (this.timerInterval) {
clearInterval(this.timerInterval);
this.timerInterval = null;
}
}
updateButtons() {
this.recordBtn.disabled = this.isRecording;
this.stopBtn.disabled = !this.isRecording;
this.playBtn.disabled = !this.recordedBlob || this.isRecording;
this.uploadBtn.disabled = !this.recordedBlob || this.isRecording;
}
updateStatus(message, type = '') {
this.status.textContent = message;
this.status.className = 'status ' + type;
}
// 清理资源
cleanup() {
this.stopTimer();
this.stopVisualization();
if (this.mediaRecorder) {
this.mediaRecorder.stream.getTracks().forEach(track => track.stop());
}
if (this.audioContext) {
this.audioContext.close();
}
if (this.audioPlayer.src) {
URL.revokeObjectURL(this.audioPlayer.src);
}
}
}
// 初始化录音器
const recorder = new AudioRecorder();
// 页面卸载时清理资源
window.addEventListener('beforeunload', () => {
recorder.cleanup();
});
// 处理页面可见性变化
document.addEventListener('visibilitychange', () => {
if (document.hidden && recorder.isRecording) {
console.log('页面隐藏，录音继续进行...');
}
});
// 添加键盘快捷键支持
document.addEventListener('keydown', (e) => {
if (e.code === 'Space') {
e.preventDefault();
if (!recorder.isRecording && !recorder.recordBtn.disabled) {
recorder.startRecording();
} else if (recorder.isRecording) {
recorder.stopRecording();
}
}
});
// 添加提示信息
console.log('🎙️ 在线录音机已加载完成！');
console.log('💡 快捷键：空格键 - 开始/停止录音');
console.log('📋 支持的格式：WebM (推荐), MP4, WAV');
console.log('🔧 请确保已允许麦克风权限');
</script>
</body>
</html>

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