js+css实现mp3音乐旋律提取曲子曲谱播放代码-html代码-BFW代码库

js+css实现mp3音乐旋律提取曲子曲谱播放代码

代码语言：html

所属分类：多媒体

代码描述：js+css实现mp3音乐旋律提取曲子曲谱播放代码

下面为部分代码预览，完整代码请点击下载或在bfwstudio webide中打开

<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>本地音乐旋律提取与 MIDI 导出工具</title>
    <script src="https://cdn.tailwindcss.com"></script>
</head>
<body class="bg-slate-50 text-slate-800 min-h-screen p-6 flex flex-col items-center">

    <div class="bg-white p-8 rounded-2xl shadow-lg max-w-4xl w-full border border-slate-100 mb-6">
        <!-- 头部 -->
        <div class="mb-6 text-center">
            <h1 class="text-2xl font-bold text-slate-900 mb-2">本地音乐旋律提取工具</h1>
            <p class="text-sm text-slate-500">
                上传单声道、清唱或独奏音频效果最佳。系统将自动提取主导音高并转换为 MIDI 谱面。
            </p>
        </div>

        <!-- 上传区域 -->
        <div class="border-2 border-dashed border-slate-200 rounded-xl p-8 text-center hover:border-blue-400 transition-colors mb-6" id="dropzone">
            <input type="file" id="file-input" accept="audio/*" class="hidden">
            <label for="file-input" class="cursor-pointer">
                <svg class="w-12 h-12 text-slate-400 mx-auto mb-3" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 19V6l12-3v13M9 19c0 1.105-1.343 2-3 2s-3-.895-3-2 1.343-2 3-2 3 .895 3 2zm12-3c0 1.105-1.343 2-3 2s-3-.895-3-2 1.343-2 3-2 3 .895 3 2zM9 10l12-3"/></svg>
                <span class="text-blue-600 font-medium hover:underline">点击上传音频文件</span>
                <span class="text-slate-400 text-xs block mt-1">支持 MP3, WAV, M4A, FLAC 等浏览器可解析格式</span>
            </label>
        </div>

        <!-- 进度与状态 -->
        <div id="status-container" class="hidden mb-6">
            <div class="flex justify-between text-xs text-slate-500 mb-1">
                <span id="status-text">正在读取文件...</span>
                <span id="status-perc.........完整代码请登录后点击上方下载按钮下载查看