161 lines
3.6 KiB
JavaScript
161 lines
3.6 KiB
JavaScript
// 音频播放器工具类
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/**
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* 音频播放器类
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*/
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class AudioPlayerClass {
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constructor() {
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this.audioPlayer = null;
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this.isLoaded = false;
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this.isPlaying = false;
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}
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/**
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* 初始化音频播放器
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* @param {string} audioPath - 音频文件路径
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* @param {boolean} loop - 是否循环播放
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* @returns {Promise} - 初始化结果
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*/
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init(audioPath, loop = true) {
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return new Promise((resolve, reject) => {
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try {
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// 创建Audio对象并加载音频文件
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this.audioPlayer = new Audio(audioPath);
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this.audioPlayer.loop = loop; // 设置循环播放
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this.audioPlayer.addEventListener('canplaythrough', () => {
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this.isLoaded = true;
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resolve(true);
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});
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// 监听错误事件
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this.audioPlayer.addEventListener('error', (error) => {
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reject(error);
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});
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this.audioPlayer.load();
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} catch (error) {
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reject(error);
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}
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});
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}
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/**
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* 播放音频
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* @param {boolean} autoUnmute - 是否自动取消静音
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* @returns {Promise} - 播放结果
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*/
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play(autoUnmute = true) {
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return new Promise((resolve, reject) => {
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if (!this.audioPlayer) {
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reject(new Error('音频播放器未初始化'));
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return;
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}
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if (!this.isLoaded) {
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reject(new Error('音频未加载完成'));
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return;
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}
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try {
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// 严格模式下的播放策略：先设置静音，再取消静音，最后播放
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if (autoUnmute) {
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this.audioPlayer.muted = true;
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// 使用setTimeout确保时序正确
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setTimeout(() => {
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this.audioPlayer.muted = false;
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this.audioPlayer.play()
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.then(() => {
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this.isPlaying = true;
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resolve(true);
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})
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.catch(error => reject(error));
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}, 0);
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} else {
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this.audioPlayer.play()
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.then(() => {
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this.isPlaying = true;
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resolve(true);
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})
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.catch(error => {
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if (error.name === 'NotAllowedError') {
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// 浏览器自动播放策略阻止，静默忽略
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}
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reject(error);
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});
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}
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} catch (error) {
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console.error('音频播放失败:', error);
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reject(error);
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}
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});
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}
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/**
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* 暂停音频
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*/
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pause() {
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if (this.audioPlayer) {
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this.audioPlayer.pause();
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this.isPlaying = false;
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}
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}
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/**
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* 设置音量
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* @param {number} volume - 音量值（0-1）
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*/
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setVolume(volume) {
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if (this.audioPlayer) {
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this.audioPlayer.volume = Math.max(0, Math.min(1, volume));
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}
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}
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/**
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* 设置是否静音
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* @param {boolean} muted - 是否静音
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*/
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setMuted(muted) {
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if (this.audioPlayer) {
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this.audioPlayer.muted = muted;
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}
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}
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/**
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* 获取音频播放状态
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* @returns {boolean} - 是否正在播放
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*/
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getIsPlaying() {
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return this.isPlaying;
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}
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/**
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* 获取音频加载状态
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* @returns {boolean} - 是否已加载完成
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*/
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getIsLoaded() {
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return this.isLoaded;
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}
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/**
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* 销毁音频播放器
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*/
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destroy() {
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if (this.audioPlayer) {
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this.audioPlayer.pause();
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this.audioPlayer.remove();
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this.audioPlayer = null;
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this.isLoaded = false;
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this.isPlaying = false;
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}
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}
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}
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// 导出单例实例
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const audioPlayerInstance = new AudioPlayerClass();
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export default audioPlayerInstance;
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// 导出类（可选，用于创建多个实例）
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export { AudioPlayerClass };
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