魔域掉钱版怎么样bilibili音视频下载脚本（油猴）

本帖最后由 52pjmolian 于 2025-11-4 13:54 编辑

搞了一个简易B站音视频下载脚本，魔域掉钱版怎么样结合AI加以优化

附件为txt文件需要修改成.js进行安装

开发思路：解析HTML中音视频m4s地址，直接下载
注：下载后音视频是分开的，可以使用FFMPEG合并
参考：ffmpeg -i video.mp4 -i audio.mp3 -c:v copy -c:a copy -map 0:v:0 -map 1:a:0 output.mp4

直接通过油猴安装即可使用

！！！仅限个人使用！！！

[JavaScript] 纯文本查看复制代码

// ==UserScript== // @name B站视频下载器（稳定版） // @namespace // @version 3.0 // @description 稳定下载B站音视频，提供本地合并指南 // @AuThor You // @match https://www.bilibili.com/video/* // @match https://www.bilibili.com/bangumi/play/* // @grant none // @run-at document-end // ==/UserScript== (function() { 'use strict'; console.log('🚀 B站视频下载器启动 - 稳定版'); class BilibiliDownloader { constructor() { this.playInfo = null; this.init(); } init() { this.createDownloadButton(); this.findPlayInfo(); this.addGlobalStyles(); } // 添加全局样式 addGlobalStyles() { const style = document.createElement('style'); style.textContent = ` .bilibili-downloader-btn { position: fixed !important; bottom: 20px !important; right: 20px !important; background: #00a1d6 !important; color: white !important; border: none !important; border-radius: 20px !important; padding: 10px 15px !important; font-size: 14px !important; font-weight: bold !important; cursor: pointer !important; z-index: 10000 !important; box-shadow: 0 2px 10px rgba(0,0,0,0.3) !important; transition: all 0.3s !important; font-family: Arial, sans-serif !important; } .bilibili-downloader-btn:hover { transform: scale(1.05) !important; background: #0087b3 !important; } .bilibili-downloader-panel { position: fixed !important; top: 50% !important; left: 50% !important; transform: translate(-50%, -50%) !important; background: rgba(0,0,0,0.95) !important; color: white !important; border: 2px solid #00a1d6 !important; border-radius: 10px !important; padding: 20px !important; z-index: 10001 !important; width: 500px !important; max-width: 90vw !important; max-height: 80vh !important; overflow-y: auto !important; box-shadow: 0 4px 20px rgba(0,0,0,0.5) !important; font-family: Arial, sans-serif !important; } .bilibili-downloader-panel h3 { color: #00a1d6 !important; margin: 0 0 15px 0 !important; text-align: center !important; } .bilibili-downloader-panel .close-btn { position: absolute !important; top: 10px !important; right: 15px !important; background: none !important; border: none !important; color: white !important; font-size: 20px !important; cursor: pointer !important; width: 30px !important; height: 30px !important; border-radius: 50% !important; display: flex !important; align-items: center !important; justify-content: center !important; } .bilibili-downloader-panel .close-btn:hover { background: rgba(255,255,255,0.1) !important; } .bilibili-downloader-panel .section { margin-bottom: 20px !important; } .bilibili-downloader-panel .section-title { color: #ffa500 !important; font-weight: bold !important; margin-bottom: 10px !important; font-size: 14px !important; } .bilibili-downloader-panel .file-item { background: rgba(255,255,255,0.05) !important; padding: 10px !important; margin-bottom: 8px !important; border-radius: 5px !important; border-left: 3px solid #00a1d6 !important; } .bilibili-downloader-panel .file-info { display: flex !important; justify-content: space-between !important; align-items: center !important; margin-bottom: 5px !important; } .bilibili-downloader-panel .quality-badge { background: #ffa500 !important; color: black !important; padding: 2px 6px !important; border-radius: 3px !important; font-size: 10px !important; font-weight: bold !important; } .bilibili-downloader-panel .download-btn { background: #27ae60 !important; color: white !important; border: none !important; padding: 5px 10px !important; border-radius: 3px !important; cursor: pointer !important; font-size: 12px !important; } .bilibili-downloader-panel .download-btn:hover { background: #219653 !important; } .bilibili-downloader-panel .merge-guide { background: rgba(255,255,255,0.1) !important; padding: 15px !important; border-radius: 5px !important; margin-top: 20px !important; font-size: 12px !important; } .bilibili-downloader-panel .code-block { background: #1a1a1a !important; color: #00ff00 !important; padding: 10px !important; border-radius: 3px !important; font-family: 'Courier New', monospace !important; font-size: 11px !important; margin-top: 8px !important; overflow-x: auto !important; } `; document.head.appendChild(style); } // 创建下载按钮 createDownloadButton() { const button = document.createElement('button'); button.className = 'bilibili-downloader-btn'; button.innerHTML = '📥 下载视频'; button.title = 'B站视频下载工具'; button.onclick = () => this.showDownloadPanel(); document.body.appendChild(button); console.log('✅ 下载按钮创建成功'); } // 显示下载面板 showDownloadPanel() { // 移除旧面板 const oldPanel = document.getElementById('bilibili-downloader-panel'); if (oldPanel) oldPanel.remove(); if (!this.playInfo) { this.showNotification('❌ 未找到视频数据，请刷新页面重试', 'error'); return; } const panel = document.createElement('div'); panel.id = 'bilibili-downloader-panel'; panel.className = 'bilibili-downloader-panel'; panel.innerHTML = this.generatePanelHTML(); document.body.appendChild(panel); this.bindPanelEvents(panel); console.log('✅ 下载面板创建成功'); } // 生成面板HTML generatePanelHTML() { const videos = this.getVideos(); const audios = this.getAudios(); return ` <button class="close-btn">×</button> <h3>🎬 B站视频下载器</h3> <div class="section"> <div class="section-title">🎥 视频流 (${videos.length}个)</div> ${videos.length > 0 ? this.generateFileListHTML(videos, 'video') : '<div style="opacity:0.7;font-size:12px;">暂无视频数据</div>'} </div> <div class="section"> <div class="section-title">🔊 音频流 (${audios.length}个)</div> ${audios.length > 0 ? this.generateFileListHTML(audios, 'audio') : '<div style="opacity:0.7;font-size:12px;">暂无音频数据</div>'} </div> ${videos.length > 0 && audios.length > 0 ? ` <div class="merge-guide"> <div style="color:#ffa500;font-weight:bold;margin-bottom:8px;">💡 本地合并指南</div> <div style="margin-bottom:8px;">下载后使用FFmpeg合并音视频：</div> <div class="code-block"> # Windows CMD<br> ffmpeg -i video.mp4 -i audio.m4a -c copy output.mp4<br><br> # Linux/Mac Terminal<br> ffmpeg -i video.mp4 -i audio.m4a -c copy output.mp4<br><br> # 批量合并脚本<br> for %%i in (*.mp4) do ffmpeg -i "%%i" -i "%%~ni.m4a" -c copy "merged_%%i" </div> <div style="margin-top:8px;font-size:11px;opacity:0.8;"> 📖 <a href="https://ffmpeg.org/download.html" target="_blank" style="color:#00a1d6;">下载FFmpeg</a> </div> </div> ` : ''} <div style="text-align:center;margin-top:15px;font-size:11px;opacity:0.7;"> 💪 稳定可靠 · 无需额外依赖 </div> `; } // 生成文件列表HTML generateFileListHTML(files, type) { return files.map((file, index) => { const quality = file.id || '未知'; const codecs = file.codecs || '未知编码'; const bandwidth = file.bandwidth ? ` (${Math.round(file.bandwidth/1000)}kbps)` : ''; const url = file.baseUrl || file.base_url || ''; return ` <div class="file-item"> <div class="file-info"> <div> <span class="quality-badge">${quality}P</span> <span style="font-size:12px;">${codecs}${bandwidth}</span> </div> <button class="download-btn" data-type="${type}" data-index="${index}"> 下载 </button> </div> <div style="font-size:10px;opacity:0.7;word-break:break-all;"> ${url.substring(0, 80)}... </div> </div> `; }).join(''); } // 绑定面板事件 bindPanelEvents(panel) { const downloadButtons = panel.querySelectorAll('.download-btn'); downloadButtons.forEach(btn => { btn.onclick = (e) => { const type = e.target.getAttribute('data-type'); const index = parseInt(e.target.getAttribute('data-index')); this.downloadFile(type, index); }; }); } // 下载文件 downloadFile(type, index) { const files = type === 'video' ? this.getVideos() : this.getAudios(); if (!files || !files[index]) { this.showNotification('❌ 文件不存在', 'error'); return; } const file = files[index]; const url = file.baseUrl || file.base_url; if (!url) { this.showNotification('❌ 无效的URL', 'error'); return; } const extension = type === 'video' ? '.mp4' : '.m4a'; const filename = this.generateFilename(file, type, index, extension); this.startDownload(url, filename); this.showNotification(`✅ 开始下载: ${filename}`, 'success'); } // 生成文件名 generateFilename(file, type, index, extension) { // 获取视频标题 let title = 'bilibili_video'; try { const titleElement = document.querySelector('h1.video-title, title'); if (titleElement) { title = titleElement.textContent .replace(/[<>:"/\\|?*]/g, '_') .substring(0, 30) .trim(); } } catch (e) { console.log('获取标题失败，使用默认名称'); } return `${title}_${type}_${file.id || index}${extension}`; } // 开始下载 startDownload(url, filename) { const link = document.createElement('a'); link.href = url; link.download = filename; link.style.display = 'none'; document.body.appendChild(link); link.click(); document.body.removeChild(link); console.log(`⬇️ 下载: ${filename}`); } // 查找playinfo数据（增强版） findPlayInfo() { console.log('🔍 开始查找视频数据...'); let attempts = 0; const maxAttempts = 8; const search = () => { attempts++; console.log(`🔄 第${attempts}次查找...`); // 方法1: 直接检查window对象 if (window.__playinfo__) { console.log('✅ 从window.__playinfo__找到数据'); this.playInfo = window.__playinfo__; this.onPlayInfoFound(); return; } // 方法2: 搜索所有script标签 const scripts = document.querySelectorAll('script'); console.log(`📊 扫描 ${scripts.length} 个script标签`); for (let i = 0; i < scripts.length; i++) { const script = scripts[i]; const content = script.textContent || script.innerHTML || ''; if (content.includes('window.__playinfo__')) { console.log(`✅ 在第${i+1}个script标签中找到目标`); const patterns = [ /window\.__playinfo__\s*=\s*({[\s\S]*?})\s*;/, /<script>window\.__playinfo__\s*=\s*({[\s\S]*?})<\/script>/, /window\.__playinfo__\s*=\s*({.*?})(?=window\.__|<\/script>|$)/ ]; for (let j = 0; j < patterns.length; j++) { const match = content.match(patterns[j]); if (match) { console.log(`🎯 使用模式${j+1}匹配成功`); try { this.playInfo = JSON.parse(match[1]); console.log('✅ JSON解析成功'); this.onPlayInfoFound(); return; } catch (error) { console.error('❌ JSON解析错误，尝试修复...'); // 尝试修复JSON try { const fixed = this.fixJson(match[1]); this.playInfo = JSON.parse(fixed); console.log('🔧 修复后解析成功'); this.onPlayInfoFound(); return; } catch (e2) { console.error('❌ 修复后仍然解析失败'); continue; } } } } } } // 如果没找到，准备重试 if (attempts < maxAttempts) { const delay = attempts * 1000; console.log(`⏳ 未找到数据，${delay}ms后重试...`); setTimeout(search, delay); } else { console.log('❌ 达到最大重试次数，停止查找'); this.showNotification('⚠️ 未找到视频数据，部分视频可能需要登录', 'warning'); } }; // 延迟启动，确保页面加载完成 setTimeout(search, 1000); } // 修复JSON格式 fixJson(jsonStr) { return jsonStr .replace(/'/g, '"') // 单引号转双引号 .replace(/([a-zA-Z_$][a-zA-Z0-9_$]*):/g, '"$1":') // 属性名加引号 .replace(/,\s*}/g, '}') // 移除尾随逗号 .replace(/,\s*]/g, ']') // 移除数组尾随逗号 .replace(/\/\/.*$/gm, '') // 移除单行注释 .replace(/\/\*[\s\S]*?\*\//g, ''); // 移除多行注释 } // 找到数据后的处理 onPlayInfoFound() { console.log('🎉 视频数据加载成功'); // 更新按钮状态 const button = document.querySelector('.bilibili-downloader-btn'); if (button) { button.innerHTML = '✅ 就绪'; button.style.background = '#27ae60'; } // 显示成功通知 this.showNotification('✅ 视频数据加载完成，可以下载了', 'success'); } // 获取视频流 getVideos() { if (!this.playInfo || !this.playInfo.data) return []; return this.playInfo.data.dash?.video || []; } // 获取音频流 getAudios() { if (!this.playInfo || !this.playInfo.data) return []; return this.playInfo.data.dash?.audio || []; } // 显示通知 showNotification(message, type = 'info') { const colors = { info: '#3498db', success: '#27ae60', error: '#e74c3c', warning: '#f39c12' }; const notification = document.createElement('div'); notification.innerHTML = message; notification.style.cssText = ` position: fixed; top: 20px; left: 50%; transform: translateX(-50%); background: ${colors[type]}; color: white; padding: 10px 20px; border-radius: 5px; z-index: 10002; font-family: Arial, sans-serif; box-shadow: 0 2px 10px rgba(0,0,0,0.3); max-width: 80vw; text-align: center; `; document.body.appendChild(notification); setTimeout(() => { if (notification.parentNode) { notification.parentNode.removeChild(notification); } }, 3000); } } // 启动下载器 setTimeout(() => { console.log('🎯 启动B站视频下载器...'); window.bilibiliDownloader = new BilibiliDownloader(); }, 1000); })();

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2025-11-4 08:35 上传