[BUG]找到路径也会说没找到文件

.gitignore

@@ -321,4 +321,6 @@ cython_debug/
 /backend/.idea/*
 /backend/config/*
 /BiliNote_frontend/.idea/*
-/BiliNote_frontend/src-tauri/bin/
+/BiliNote_frontend/src-tauri/bin/
+
+.vscode

BillNote_frontend/package.json

@@ -32,6 +32,7 @@
     "clsx": "^2.1.1",
     "fuse.js": "^7.1.0",
     "github-markdown-css": "^5.8.1",
+    "jszip": "^3.10.1",
     "katex": "^0.16.22",
     "lottie-react": "^2.4.1",
     "lucide-react": "^0.487.0",

BillNote_frontend/src/pages/HomePage/components/MarkmapComponent.tsx

@@ -3,6 +3,7 @@ import { Markmap } from 'markmap-view'
 import { transformer } from '@/lib/markmap.ts'
 import { Toolbar } from 'markmap-toolbar'
 import 'markmap-toolbar/dist/style.css'
+import JSZip from 'jszip'
 
 export interface MarkmapEditorProps {
   /** 要渲染的 Markdown 文本 */
@@ -116,12 +117,207 @@ export default function MarkmapEditor({
     }
   };
 
+  // 导出SVG思维导图（矢量图）
+  const exportSvg = async () => {
+    try {
+      if (!svgRef.current || !mmRef.current) return;
+
+      const svgEl = svgRef.current;
+      const mm = mmRef.current;
+
+      // 先调用fit()确保显示完整的思维导图内容
+      await mm.fit();
+      // 等待渲染完成
+      await new Promise(resolve => setTimeout(resolve, 100));
+
+      // 克隆SVG以避免修改原始SVG
+      const clonedSvg = svgEl.cloneNode(true) as SVGSVGElement;
+
+      // 获取SVG内容的实际边界框
+      const gElement = svgEl.querySelector('g');
+      if (gElement) {
+        const bbox = gElement.getBBox();
+        // 添加一些边距
+        const padding = 50;
+        const viewBoxX = bbox.x - padding;
+        const viewBoxY = bbox.y - padding;
+        const viewBoxWidth = bbox.width + padding * 2;
+        const viewBoxHeight = bbox.height + padding * 2;
+
+        // 设置viewBox以确保SVG可以无限缩放
+        clonedSvg.setAttribute('viewBox', `${viewBoxX} ${viewBoxY} ${viewBoxWidth} ${viewBoxHeight}`);
+        // 移除固定尺寸，让SVG根据viewBox自适应
+        clonedSvg.removeAttribute('width');
+        clonedSvg.removeAttribute('height');
+        // 设置默认尺寸为100%，可以在任何容器中自适应
+        clonedSvg.setAttribute('width', '100%');
+        clonedSvg.setAttribute('height', '100%');
+        // 保持宽高比
+        clonedSvg.setAttribute('preserveAspectRatio', 'xMidYMid meet');
+      }
+
+      // 设置SVG的背景为白色
+      const style = document.createElementNS('http://www.w3.org/2000/svg', 'style');
+      style.textContent = 'svg { background-color: white; }';
+      clonedSvg.insertBefore(style, clonedSvg.firstChild);
+
+      // 添加白色背景矩形（确保背景在所有查看器中都是白色）
+      const bgRect = document.createElementNS('http://www.w3.org/2000/svg', 'rect');
+      const viewBox = clonedSvg.getAttribute('viewBox')?.split(' ').map(Number) || [0, 0, 800, 600];
+      bgRect.setAttribute('x', viewBox[0].toString());
+      bgRect.setAttribute('y', viewBox[1].toString());
+      bgRect.setAttribute('width', viewBox[2].toString());
+      bgRect.setAttribute('height', viewBox[3].toString());
+      bgRect.setAttribute('fill', 'white');
+      // 插入到最前面作为背景
+      const firstG = clonedSvg.querySelector('g');
+      if (firstG) {
+        clonedSvg.insertBefore(bgRect, firstG);
+      } else {
+        clonedSvg.insertBefore(bgRect, clonedSvg.firstChild);
+      }
+
+      // 确保SVG有正确的命名空间
+      clonedSvg.setAttribute('xmlns', 'http://www.w3.org/2000/svg');
+      clonedSvg.setAttribute('xmlns:xlink', 'http://www.w3.org/1999/xlink');
+
+      // 序列化SVG
+      const svgData = new XMLSerializer().serializeToString(clonedSvg);
+
+      // 创建下载
+      const blob = new Blob([svgData], { type: 'image/svg+xml;charset=utf-8' });
+      const url = URL.createObjectURL(blob);
+      const a = document.createElement('a');
+      a.href = url;
+      a.download = `${title || 'mindmap'}.svg`;
+      document.body.appendChild(a);
+      a.click();
+      document.body.removeChild(a);
+      URL.revokeObjectURL(url);
+    } catch (error) {
+      console.error('导出SVG失败:', error);
+    }
+  };
+
+  // 导出XMind格式思维导图
+  const exportXMind = async () => {
+    try {
+      const { root } = transformer.transform(value);
+
+      // 生成唯一ID
+      const generateId = () => Math.random().toString(36).substring(2, 15);
+
+      // 解码HTML实体（如 实 -> 实，〹 -> 对应字符）
+      const decodeHtmlEntities = (text: string): string => {
+        if (!text) return text;
+
+        // 首先手动处理十六进制数字实体 &#xHHHH;
+        let decoded = text.replace(/&#x([0-9a-fA-F]+);/g, (_, hex) => {
+          return String.fromCodePoint(parseInt(hex, 16));
+        });
+
+        // 处理十进制数字实体 &#DDDD;
+        decoded = decoded.replace(/&#(\d+);/g, (_, dec) => {
+          return String.fromCodePoint(parseInt(dec, 10));
+        });
+
+        // 使用textarea处理命名实体（如 & < > 等）
+        const textarea = document.createElement('textarea');
+        textarea.innerHTML = decoded;
+        return textarea.value;
+      };
+
+      // 清理HTML标签，只保留纯文本
+      const stripHtml = (html: string): string => {
+        if (!html) return html;
+        // 先解码HTML实体
+        let text = decodeHtmlEntities(html);
+        // 移除HTML标签
+        const div = document.createElement('div');
+        div.innerHTML = text;
+        return div.textContent || div.innerText || text;
+      };
+
+      // 将 markmap 节点转换为 XMind 节点格式
+      const convertToXMindNode = (node: any, isRoot = false): any => {
+        const rawTitle = node.content || node.payload?.content || '未命名';
+        const xmindNode: any = {
+          id: generateId(),
+          class: isRoot ? 'topic' : 'topic',
+          title: stripHtml(rawTitle),
+        };
+
+        if (node.children && node.children.length > 0) {
+          xmindNode.children = {
+            attached: node.children.map((child: any) => convertToXMindNode(child, false))
+          };
+        }
+
+        return xmindNode;
+      };
+
+      const rootTopic = convertToXMindNode(root, true);
+      const sheetId = generateId();
+
+      // XMind content.json 结构
+      const content = [{
+        id: sheetId,
+        class: 'sheet',
+        title: stripHtml(title) || '思维导图',
+        rootTopic: rootTopic,
+        topicPositioning: 'fixed'
+      }];
+
+      // XMind metadata.json
+      const metadata = {
+        creator: {
+          name: 'BiliNote',
+          version: '1.0.0'
+        }
+      };
+
+      // XMind manifest.json
+      const manifest = {
+        'file-entries': {
+          'content.json': {},
+          'metadata.json': {}
+        }
+      };
+
+      // 使用 JSZip 创建 .xmind 文件
+      // 直接传入字符串，JSZip会自动处理UTF-8编码
+      const zip = new JSZip();
+      zip.file('content.json', JSON.stringify(content, null, 2));
+      zip.file('metadata.json', JSON.stringify(metadata, null, 2));
+      zip.file('manifest.json', JSON.stringify(manifest, null, 2));
+
+      // 生成 ZIP 并下载
+      const blob = await zip.generateAsync({ type: 'blob' });
+      const url = URL.createObjectURL(blob);
+      const a = document.createElement('a');
+      a.href = url;
+      a.download = `${title || 'mindmap'}.xmind`;
+      document.body.appendChild(a);
+      a.click();
+      document.body.removeChild(a);
+      URL.revokeObjectURL(url);
+    } catch (error) {
+      console.error('导出XMind失败:', error);
+    }
+  };
+
   // 导出PNG思维导图
-  const exportPng = () => {
+  const exportPng = async () => {
     try {
-      if (!svgRef.current) return;
-      
+      if (!svgRef.current || !mmRef.current) return;
+
       const svgEl = svgRef.current;
+      const mm = mmRef.current;
+
+      // 先调用fit()确保显示完整的思维导图内容
+      await mm.fit();
+      // 等待渲染完成
+      await new Promise(resolve => setTimeout(resolve, 100));
 
       // 获取SVG实际尺寸
       const svgWidth = svgEl.width.baseVal.value || svgEl.clientWidth || 800;
@@ -245,17 +441,31 @@ export default function MarkmapEditor({
     <div className="relative flex h-full flex-col bg-white">
       {/* 全屏/退出全屏 按钮 */}
       <div className="absolute top-2 right-2 z-20 flex space-x-2">
+        <button
+          onClick={exportXMind}
+          className="rounded p-1 hover:bg-gray-200"
+          title="导出XMind格式"
+        >
+          🧠
+        </button>
+        <button
+          onClick={exportSvg}
+          className="rounded p-1 hover:bg-gray-200"
+          title="导出SVG矢量图（可无限放大）"
+        >
+          📐
+        </button>
         <button
           onClick={exportPng}
           className="rounded p-1 hover:bg-gray-200"
-          title="导出PNG思维导图"
+          title="导出PNG图片"
         >
           🖼️
         </button>
         <button
           onClick={exportHtml}
           className="rounded p-1 hover:bg-gray-200"
-          title="导出HTML思维导图"
+          title="导出HTML（可交互）"
         >
           💾
         </button>

README.md

@@ -118,10 +118,7 @@ sudo apt install ffmpeg
 - [x] 加入更多音频转文本模型支持
 
 ### Contact and Join-联系和加入社区
-- BiliNote 交流QQ群：785367111
-- BiliNote 交流微信群:
-
-  <img src="doc/wechat.png" alt="wechat" style="zoom:33%;" />
+年会恢复更新以后放出最新社区地址
 
 
 

backend/app/downloaders/base.py

@@ -5,6 +5,7 @@
 
 from app.enmus.note_enums import DownloadQuality
 from app.models.notes_model import AudioDownloadResult
+from app.models.transcriber_model import TranscriptResult
 from os import getenv
 QUALITY_MAP = {
     "fast": "32",
@@ -36,3 +37,15 @@ def download(self, video_url: str, output_dir: str = None,
     def download_video(self, video_url: str,
                        output_dir: Union[str, None] = None) -> str:
         pass
+
+    def download_subtitles(self, video_url: str, output_dir: str = None,
+                           langs: list = None) -> Optional[TranscriptResult]:
+        '''
+        尝试获取平台字幕（人工字幕或自动生成字幕）
+
+        :param video_url: 视频链接
+        :param output_dir: 输出路径
+        :param langs: 优先语言列表，如 ['zh-Hans', 'zh', 'en']
+        :return: TranscriptResult 或 None（无字幕时）
+        '''
+        return None