{"id":24351,"date":"2024-11-21T14:33:16","date_gmt":"2024-11-21T06:33:16","guid":{"rendered":"https:\/\/fwq.ai\/blog\/24351\/"},"modified":"2024-11-21T14:33:16","modified_gmt":"2024-11-21T06:33:16","slug":"%e5%a6%82%e4%bd%95%e5%88%a9%e7%94%a8webman%e6%8a%80%e6%9c%af%e6%9e%84%e5%bb%ba%e5%9c%a8%e7%ba%bf%e9%9f%b3%e4%b9%90%e6%92%ad%e6%94%be%e5%99%a8","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/24351\/","title":{"rendered":"\u5982\u4f55\u5229\u7528WebMan\u6280\u672f\u6784\u5efa\u5728\u7ebf\u97f3\u4e50\u64ad\u653e\u5668"},"content":{"rendered":"

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\n\n\n  <meta charset=\"UTF-8\"><title>\u5728\u7ebf\u97f3\u4e50\u64ad\u653e\u5668<\/title><link rel=\"stylesheet\" href=\"style.css\"><div id=\"player\">\n    <div id=\"controls\">\n      <button id=\"prevBtn\"><img src=\"prev.png\" alt=\"\u4e0a\u4e00\u9996\"><\/button>\n      <button id=\"playBtn\"><img src=\"play.png\" alt=\"\u64ad\u653e\"><\/button>\n      <button id=\"nextBtn\"><img src=\"next.png\" alt=\"\u4e0b\u4e00\u9996\"><\/button>\n    <\/div>\n    <div id=\"info\">\n      <span id=\"title\">\u6b4c\u66f2\u6807\u9898<\/span>\n      <span id=\"artist\">\u827a\u672f\u5bb6<\/span>\n    <\/div>\n  <\/div>\n  <script src=\"script.js\"><\/script><\/pre>\n
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  \u5143\u7d20\u548c \u5143\u7d20\u521b\u5efa\u4e86\u64ad\u653e\u5668\u7684\u63a7\u5236\u754c\u9762\u3002\u540c\u65f6\uff0c\u6211\u4eec\u4e5f\u901a\u8fc7<script>\u5143\u7d20\u5f15\u5165\u4e86\u7528\u4e8e\u63a7\u5236\u64ad\u653e\u5668\u7684JavaScript\u811a\u672c\u3002<p>\u4e09\u3001\u7f16\u5199JavaScript\u811a\u672c<br>\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u9700\u8981\u7f16\u5199\u4e00\u4e9bJavaScript\u811a\u672c\uff0c\u7528\u4e8e\u63a7\u5236\u64ad\u653e\u5668\u7684\u529f\u80fd\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\u7684JavaScript\u4ee3\u7801\uff1a<pre class=’brush:javascript;toolbar:false;’>const prevBtn = document.getElementById(‘prevBtn’); const playBtn = document.getElementById(‘playBtn’); const nextBtn = document.getElementById(‘nextBtn’); const titleSpan = document.getElementById(‘title’); const artistSpan = document.getElementById(‘artist’); let currentIndex = 0; \/\/ \u5f53\u524d\u64ad\u653e\u7684\u6b4c\u66f2\u7d22\u5f15 const playlist = [ { title: “\u6b4c\u66f21”, artist: “\u827a\u672f\u5bb61”, url: “song1.mp3” }, { title: “\u6b4c\u66f22”, artist: “\u827a\u672f\u5bb62”, url: “song2.mp3” }, { title: “\u6b4c\u66f23”, artist: “\u827a\u672f\u5bb63”, url: “song3.mp3” } ]; \/\/ \u6b4c\u66f2\u5217\u8868 function playMusic(index) { const currentSong = playlist[index]; titleSpan.innerText = currentSong.title; artistSpan.innerText = currentSong.artist; \/\/ \u5728\u6b64\u5904\u4f7f\u7528Web Audio API\u6216\u5176\u4ed6\u76f8\u5173\u6280\u672f\u64ad\u653e\u97f3\u4e50 } prevBtn.addEventListener(‘click’, () => { currentIndex = (currentIndex – 1 + playlist.length) % playlist.length; playMusic(currentIndex); }); playBtn.addEventListener(‘click’, () => { \/\/ \u5728\u6b64\u5904\u5207\u6362\u64ad\u653e\/\u6682\u505c\u72b6\u6001 }); nextBtn.addEventListener(‘click’, () => { currentIndex = (currentIndex + 1) % playlist.length; playMusic(currentIndex); }); playMusic(currentIndex); \/\/ \u521d\u59cb\u5316\u64ad\u653e\u7b2c\u4e00\u9996\u6b4c\u66f2<p>\u8fd9\u6bb5\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u4e86document.getElementById\u65b9\u6cd5\u83b7\u53d6\u4e86\u64ad\u653e\u5668\u63a7\u5236\u754c\u9762\u7684\u5404\u4e2a\u5143\u7d20\uff0c\u5e76\u4e3a\u5b83\u4eec\u5206\u522b\u6dfb\u52a0\u4e86\u70b9\u51fb\u4e8b\u4ef6\u76d1\u542c\u5668\u3002\u540c\u65f6\uff0c\u6211\u4eec\u4e5f\u5b9a\u4e49\u4e86\u4e00\u4e2a\u6b4c\u66f2\u5217\u8868playlist\u548c\u4e00\u4e2a\u5f53\u524d\u6b4c\u66f2\u7d22\u5f15currentIndex\uff0c\u5e76\u6839\u636e\u70b9\u51fb\u4e8b\u4ef6\u4fee\u6539\u4e86\u5f53\u524d\u6b4c\u66f2\u7d22\u5f15\uff0c\u5e76\u8c03\u7528\u4e86playMusic\u51fd\u6570\u64ad\u653e\u5bf9\u5e94\u7684\u6b4c\u66f2\u3002<p>\u56db\u3001\u6dfb\u52a0\u97f3\u4e50\u64ad\u653e\u529f\u80fd<br>\u6700\u540e\uff0c\u6211\u4eec\u9700\u8981\u6dfb\u52a0\u97f3\u4e50\u64ad\u653e\u7684\u5177\u4f53\u529f\u80fd\u3002\u8fd9\u91cc\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528Web Audio API\u6216\u5176\u4ed6\u76f8\u5173\u6280\u672f\u6765\u5b9e\u73b0\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\u7684playMusic\u51fd\u6570\u4ee3\u7801\uff1a<pre class=’brush:javascript;toolbar:false;’>function playMusic(index) { const currentSong = playlist[index]; titleSpan.innerText = currentSong.title; artistSpan.innerText = currentSong.artist; const audio = new Audio(currentSong.url); audio.addEventListener(‘ended’, () => { currentIndex = (currentIndex + 1) % playlist.length; playMusic(currentIndex); }); audio.play(); }<p>\u8fd9\u6bb5\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u6839\u636e\u6b4c\u66f2\u7684URL\u521b\u5efa\u4e86\u4e00\u4e2aAudio\u5bf9\u8c61\uff0c\u5e76\u4e3a\u5b83\u6dfb\u52a0\u4e86\u4e00\u4e2aended\u4e8b\u4ef6\u76d1\u542c\u5668\uff0c\u7528\u4e8e\u5728\u6b4c\u66f2\u64ad\u653e\u7ed3\u675f\u540e\u81ea\u52a8\u5207\u6362\u5230\u4e0b\u4e00\u9996\u6b4c\u66f2\u3002\u540c\u65f6\uff0c\u6211\u4eec\u8fd8\u8c03\u7528\u4e86audio.play()\u65b9\u6cd5\u6765\u64ad\u653e\u5f53\u524d\u6b4c\u66f2\u3002<p>\u7ed3\u8bba\uff1a<br>\u901a\u8fc7\u8fd0\u7528WebMan\u6280\u672f\uff0c\u6211\u4eec\u53ef\u4ee5\u5f88\u5bb9\u6613\u5730\u6784\u5efa\u4e00\u4e2a\u5728\u7ebf\u97f3\u4e50\u64ad\u653e\u5668\u3002\u6211\u4eec\u9996\u5148\u642d\u5efa\u4e86\u57fa\u672c\u7684HTML\u6846\u67b6\uff0c\u7136\u540e\u7f16\u5199\u4e86\u76f8\u5e94\u7684JavaScript\u811a\u672c\uff0c\u6700\u540e\u5b9e\u73b0\u4e86\u97f3\u4e50\u64ad\u653e\u7684\u529f\u80fd\u3002\u8fd9\u4e2a\u793a\u4f8b\u867d\u7136\u7b80\u5355\uff0c\u4f46\u5e0c\u671b\u53ef\u4ee5\u4e3a\u5f00\u53d1\u4eba\u5458\u63d0\u4f9b\u4e00\u4e9b\u601d\u8def\u548c\u53c2\u8003\uff0c\u5e2e\u52a9\u4ed6\u4eec\u6784\u5efa\u66f4\u52a0\u4e30\u5bcc\u3001\u5f3a\u5927\u7684\u5728\u7ebf\u97f3\u4e50\u64ad\u653e\u5668\u3002<\/script>  <\/p>\n
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